TPS77001 TPS77012 TPS77015 TPS77018 TPS77025 TPS77027 TPS77028 TPS77030 - Datasheet Archive

 

TPS77027, TPS77028, TPS77030, TPS77033, TPS77050 ULTRALOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS SLVS210D ­ JUNE 1999

 

TPS77001 TPS77001, TPS77012 TPS77012, TPS77015 TPS77015, TPS77018 TPS77018, TPS77025 TPS77025 TPS77027 TPS77027, TPS77028 TPS77028, TPS77030 TPS77030, TPS77033 TPS77033, TPS77050 TPS77050 ULTRALOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS SLVS210D SLVS210D ­ JUNE 1999 ­ REVISED MAY 2001 D D D D D D D D DBV PACKAGE (TOP VIEW) 50-mA Low-Dropout Regulator Available in 1.2-V, 1.5-V, 1.8-V, 2.5-V, 2.7-V, 2.8-V, 3.0-V, 3.3-V, and 5-V Fixed-Output and Adjustable Versions Only 17 µA Quiescent Current at 50 mA 1 µA Quiescent Current in Standby Mode Dropout Voltage Typically 35 mV at 50 mA Over Current Limitation ­40°C to 125°C Operating Junction Temperature Range 5-Pin SOT-23 (DBV) Package IN 1 GND 2 EN 3 5 OUT 4 NC/FB TPS77033 TPS77033 GROUND CURRENT vs FREE-AIR TEMPERATURE 22 description 21 Ground Current ­ µ A The TPS770xx family of low-dropout (LDO) voltage regulators offers the benefits of low dropout voltage, ultralow-power operation, and miniaturized packaging. These regulators feature low dropout voltages and ultralow quiescent current compared to conventional LDO regulators. Offered in a 5-terminal small outline integrated-circuit SOT-23 package, the TPS770xx series devices are ideal for micropower operations and where board space is at a premium. VI = 4.3 V CO = 4.7 µF 20 19 IO = 50 mA IO = 0 mA 18 17 16 A combination of new circuit design and process innovation has enabled the usual PNP pass transistor to be replaced by a PMOS pass 15 ­60 ­40 ­20 0 20 40 60 80 100 120 140 element. Because the PMOS pass element TA ­ Free-Air Temperature ­ °C behaves as a low-value resistor, the dropout voltage is very low - typically 35 mV at 50 mA of load current (TPS77050 TPS77050) - and is directly proportional to the load current. Since the PMOS pass element is a voltage-driven device, the quiescent current is ultralow (28 µA maximum) and is stable over the entire range of output load current (0 mA to 50 mA). Intended for use in portable systems such as laptops and cellular phones, the ultralow-dropout voltage feature and ultralow-power operation result in a significant increase in system battery operating life. The TPS770xx also features a logic-enabled sleep mode to shut down the regulator, reducing quiescent current to 1 µA typical at TJ = 25°C. The TPS770xx is offered in 1.2-V, 1.5-V, 1.8-V, 2.5-V, 2.7-V, 2.8-V, 3.0-V, 3.3-V, and 5-V fixed-voltage versions and in a variable version (programmable over the range of 1.2 V to 5.5 V). Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. Copyright 2001, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. POST OFFICE BOX 655303 · DALLAS, TEXAS 75265 1 TPS77001 TPS77001, TPS77012 TPS77012, TPS77015 TPS77015, TPS77018 TPS77018, TPS77025 TPS77025 TPS77027 TPS77027, TPS77028 TPS77028, TPS77030 TPS77030, TPS77033 TPS77033, TPS77050 TPS77050 ULTRALOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS SLVS210D SLVS210D ­ JUNE 1999 ­ REVISED MAY 2001 AVAILABLE OPTIONS VOLTAGE TJ PACKAGE PART NUMBER SYMBOL Variable 1.2V to 5.5V TPS77001DBVT TPS77001DBVT TPS77001DBVR TPS77001DBVR PCPI 1.2 V TPS77012DBVT TPS77012DBVT TPS77015DBVT TPS77015DBVT TPS77012DBVR TPS77012DBVR TPS77015DBVR TPS77015DBVR PCQI TPS77018DBVT TPS77018DBVT TPS77025DBVT TPS77025DBVT TPS77018DBVR TPS77018DBVR TPS77025DBVR TPS77025DBVR PCSI TPS77027DBVT TPS77027DBVT TPS77028DBVT TPS77028DBVT TPS77027DBVR TPS77027DBVR TPS77028DBVR TPS77028DBVR PCUI TPS77030DBVR TPS77030DBVR TPS77033DBVR TPS77033DBVR PCWI 3.3 V TPS77030DBVT TPS77030DBVT TPS77033DBVT TPS77033DBVT 5.0 V TPS77050DBVT TPS77050DBVT TPS77050DBVR TPS77050DBVR PCYI 1.5 V 1.8 V SOT-23 (DBV) 2.5 V ­40°C to 125°C 2.7 V 2.8 V 3.0 V The DBVT indicates tape and reel of 250 parts. The DBVR indicates tape and reel of 3000 parts. functional block diagram TPS77001 TPS77001 OUT IN EN Current Limit / Thermal Protection VREF FB GND TPS77012/15/18/25/27/28/30/33/50 TPS77012/15/18/25/27/28/30/33/50 OUT IN EN VREF Current Limit / Thermal Protection GND 2 POST OFFICE BOX 655303 · DALLAS, TEXAS 75265 PCRI PCTI PCVI PCXI TPS77001 TPS77001, TPS77012 TPS77012, TPS77015 TPS77015, TPS77018 TPS77018, TPS77025 TPS77025 TPS77027 TPS77027, TPS77028 TPS77028, TPS77030 TPS77030, TPS77033 TPS77033, TPS77050 TPS77050 ULTRALOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS SLVS210D SLVS210D ­ JUNE 1999 ­ REVISED MAY 2001 Terminal Functions TERMINAL NAME I/O NO. DESCRIPTION GND 2 Ground EN 3 I Enable input FB 4 I Feedback voltage (TPS77001 TPS77001 only) IN 1 I Input supply voltage NC 4 OUT 5 No connection (Fixed options only) O Regulated output voltage absolute maximum ratings over operating free-air temperature range (unless otherwise noted) Input voltage range (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ­ 0.3 V to 13.5 V Voltage range at EN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ­0.3 V to VI + 0.3 V Voltage on OUT, FB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V Peak output current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally limited ESD rating, HBM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 kV Continuous total power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Dissipation Rating Table Operating virtual junction temperature range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ­ 40°C to 150°C Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ­ 65°C to 150°C Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTE 1: All voltage values are with respect to network ground terminal. DISSIPATION RATING TABLE BOARD PACKAGE RJC RJA DERATING FACTOR ABOVE TA = 25°C TA 25°C POWER RATING TA = 70°C POWER RATING TA = 85°C POWER RATING Low K High K§ DBV 65.8 °C/W 259 °C/W 3.9 mW/°C 386 mW 212 mW 154 mW DBV 65.8 °C/W 180 °C/W 5.6 mW/°C 555 mW 305 mW 222 mW The JEDEC Low K (1s) board design used to derive this data was a 3 inch x 3 inch, two layer board with 2 ounce copper traces on top of the board. § The JEDEC High K (2s2p) board design used to derive this data was a 3 inch x 3 inch, multilayer board with 1 ounce internal power and ground planes and 2 ounce copper traces on top and bottom of the board. recommended operating conditions MIN NOM MAX UNIT Input voltage, VI (see Note 2) 2.7 10 Output voltage range, VO 1.2 5.5 V 0 50 mA ­40 125 °C Continuous output current, IO (see Note 3) Operating junction temperature, TJ V NOTES: 2. To calculate the minimum input voltage for your maximum output current, use the following formula: VI(min) = VO(max) + VDO (max load) 3. Continuous output current and operating junction temperature are limited by internal protection circuitry, but it is not recommended that the device operate under conditions beyond those specified in this table for extended periods of time. POST OFFICE BOX 655303 · DALLAS, TEXAS 75265 3 TPS77001 TPS77001, TPS77012 TPS77012, TPS77015 TPS77015, TPS77018 TPS77018, TPS77025 TPS77025 TPS77027 TPS77027, TPS77028 TPS77028, TPS77030 TPS77030, TPS77033 TPS77033, TPS77050 TPS77050 ULTRALOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS SLVS210D SLVS210D ­ JUNE 1999 ­ REVISED MAY 2001 electrical characteristics over recommended operating free­air temperature range, VI = VO(typ) + 1 V, IO = 50 mA, EN = 0V, Co = 4.7 µF (unless otherwise noted) PARAMETER TEST CONDITIONS TPS77001 TPS77001 1.2 V VO 5.5 V, 1.2 V VO 5.5 V, MIN TJ = 25°C TJ = ­40°C to 125°C TPS77012 TPS77012 TJ = 25°C, TJ = ­40°C to 125°C, TPS77018 TPS77018 TJ = 25°C, TJ = ­40°C to 125°C, 2.8 V < VIN < 10 V TPS77025 TPS77025 TJ = 25°C, TJ = ­40°C to 125°C, TPS77027 TPS77027 TJ = 25°C, TJ = ­40°C to 125°C, 3.7 V < VIN < 10 V TPS77028 TPS77028 TJ = 25°C, TJ = ­40°C to 125°C, 3.8 V < VIN < 10 V TPS77030 TPS77030 TJ = 25°C, TJ = ­40°C to 125°C, 4.0 V < VIN < 10 V TPS77033 TPS77033 TJ = 25°C, TJ = ­40°C to 125°C, TPS77050 TPS77050 TJ = 25°C, TJ = ­40°C to 125°C, 6.0 V < VIN < 10 V EN = 0V, TJ = 25°C 0 mA < IO < 50mA, EN = 0V, TJ = ­40°C to 125°C 0.97VO 2.7 V < VIN < 10 V 2.7 V < VIN < 10 V 1.224 1.187 1.5 3.5 V < VIN < 10 V 2.425 3.8 V < VIN < 10 V 2.575 2.7 2.619 2.8 2.884 3.0 2.910 4.3 V < VIN < 10 V 3.201 6.0 V < VIN < 10 V EN = 0V, TJ = 25°C Output noise voltage V 2.781 2.716 4.0 V < VIN < 10 V 4.3 V < VIN < 10 V Load regulation 3.090 3.3 3.399 5.0 4.850 5.150 17 µA 28 BW = 300 Hz to 50 kHz, Co = 10 µF, TJ = 25°C Standby current 1.854 2.5 VO + 1 V < VI 10 V, TJ = 25°C VO + 1 V < VI 10 V, TJ = ­40°C to 125°C 0.04 0.1 IO = 0 to 50 mA, VO = 0V, EN = VI, 1.545 1.8 1.746 Output voltage line regulation (VO/VO) (see Notes 4 and 5) Output current limit 1.261 1.455 2.8 V < VIN < 10 V 3.5 V < VIN < 10 V 3.7 V < VIN < 10 V UNIT 1.03VO IO = 50mA, Quiescent current (GND current) (see Note 4) 2.7 V < VIN < 10 V MAX VO 2.7 V < VIN < 10 V TPS77015 TPS77015 Output voltage (10 µA to 50 mA load) g ( µ ) (see Note 4) TJ = 25°C, TJ = ­40°C to 125°C, TYP 8 mV µVrms 190 See Note 4 350 2.7 < VI < 10 V 1 %/V 750 mA µA TJ = ­40°C to 125°C 2 µA NOTES: 4. Minimum IN operating voltage is 2.7 V or VO (typ) + 1 V, whichever is greater. Maximum IN voltage 10 V, minimum output current 10 µA, maximum output current 50 mA. 5. If VO 1.8 V then VImin = 2.7 V, VImax = 10 V: Line Reg. (mV) + %V V O If VO 2.5 V then VImin = VO + 1 V, VImax = 10 V: Line Reg. (mV) 4 + %V V POST OFFICE BOX 655303 O V * 2.7 V Imax 100 V Imax * V O 100 · DALLAS, TEXAS 75265 1000 )1 V 1000 TPS77001 TPS77001, TPS77012 TPS77012, TPS77015 TPS77015, TPS77018 TPS77018, TPS77025 TPS77025 TPS77027 TPS77027, TPS77028 TPS77028, TPS77030 TPS77030, TPS77033 TPS77033, TPS77050 TPS77050 ULTRALOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS SLVS210D SLVS210D ­ JUNE 1999 ­ REVISED MAY 2001 electrical characteristics over recommended operating free­air temperature range, VI = VO(typ) + 1 V, IO = 50 mA, EN = 0V, Co = 4.7 µF (unless otherwise noted) (continued) PARAMETER TEST CONDITIONS MIN FB input current FB = 1.224 V (TPS77001 TPS77001) High level enable input voltage 2.7 V < VI < 10 V 2.7 V < VI < 10 V Power supply ripple rejection f = 1 kHz, TJ = 25°C, MAX UNIT µA 1.7 Low level enable input voltage TYP ­1 V 0.9 CO = 10 µF, See Note 4 EN = 0 V Input current (EN) 1 60 ­1 EN = VI V dB ­1 TPS77028 TPS77028 IO = 50 mA, IO = 50 mA TJ = 25°C TJ = ­40°C to 125°C IO = 50 mA, IO = 50 mA TJ = 25°C TJ = ­40°C to 125°C IO = 50 mA, IO = 50 mA TJ = 25°C TJ = ­40°C to 125°C 48 TPS77050 TPS77050 IO = 50 mA, IO = 50 mA TJ = 25°C TJ = ­40°C to 125°C µA 57 TPS77033 TPS77033 µA 60 TPS77030 TPS77030 1 1 0 35 Dropout voltage (see Note 6) 125 115 mV 100 85 NOTES: 4. Minimum IN operating voltage is 2.7 V or VO (typ) + 1 V, whichever is greater. Maximum IN voltage 10 V, minimum output current 10 µA, maximum output current 50 mA. 6. IN voltage equals VO(Typ) ­100mV; TPS77001 TPS77001 output voltage set to 3.3 V nominal with external resistor divider. TPS77012 TPS77012, TPS77015 TPS77015, TPS77018 TPS77018, TPS77025 TPS77025, and TPS77027 TPS77027 dropout voltage limited by input voltage range limitations. TYPICAL CHARACTERISTICS Table of Graphs FIGURE 1, 2, 3 vs Free-air temperature 4, 5, 6 vs Free-air temperature 7 Output spectral noise density Zo VDO vs Output current Ground current VO vs Frequency 8 Output impedance vs Frequency 9 Dropout voltage vs Free-air temperature 10 Ripple rejection vs Frequency Output voltage LDO startup time 11 12 Line transient response 13, 15 Load transient response 14, 16 Equivalent series resistance (ESR) POST OFFICE BOX 655303 vs Output current 17, 19 vs Added ceramic capacitance 18, 20 · DALLAS, TEXAS 75265 5 TPS77001 TPS77001, TPS77012 TPS77012, TPS77015 TPS77015, TPS77018 TPS77018, TPS77025 TPS77025 TPS77027 TPS77027, TPS77028 TPS77028, TPS77030 TPS77030, TPS77033 TPS77033, TPS77050 TPS77050 ULTRALOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS SLVS210D SLVS210D ­ JUNE 1999 ­ REVISED MAY 2001 TYPICAL CHARACTERISTICS TPS77015 TPS77015 TPS77025 TPS77025 OUTPUT VOLTAGE vs OUTPUT CURRENT OUTPUT VOLTAGE vs OUTPUT CURRENT 1.498 2.498 VI = 3.5 V CO = 4.7 µF TA = 25° C 2.496 1.496 VO ­ Output Voltage ­ V 2.494 VO ­ Output Voltage ­ V VI = 2.7 V CO = 4.7 µF TA = 25° C 2.492 2.490 2.488 2.486 1.494 1.492 1.490 1.488 1.486 2.484 1.484 2.482 0 10 20 30 40 0 50 10 20 30 40 Figure 1 Figure 2 TPS77033 TPS77033 TPS77015 TPS77015 OUTPUT VOLTAGE vs OUTPUT CURRENT OUTPUT VOLTAGE vs FREE-AIR TEMPERATURE 1.496 3.284 VI = 4.3 V CO = 4.7 µF TA = 25° C 3.282 1.494 IO = 1 mA VI = 2.7 V CO = 4.7 µF 3.280 VO ­ Output Voltage ­ V VO ­ Output Voltage ­ V 1.492 3.278 3.276 3.274 3.272 1.490 1.488 1.486 IO = 50 mA 1.484 1.482 3.270 0 10 20 30 40 50 1.480 ­60 ­40 ­20 0 20 40 Figure 3 Figure 4 POST OFFICE BOX 655303 60 80 100 120 140 TA ­ Free-Air Temperature ­ °C IO ­ Output Current ­ mA 6 50 IO ­ Output Current ­ mA IO ­ Output Current ­ mA · DALLAS, TEXAS 75265 TPS77001 TPS77001, TPS77012 TPS77012, TPS77015 TPS77015, TPS77018 TPS77018, TPS77025 TPS77025 TPS77027 TPS77027, TPS77028 TPS77028, TPS77030 TPS77030, TPS77033 TPS77033, TPS77050 TPS77050 ULTRALOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS SLVS210D SLVS210D ­ JUNE 1999 ­ REVISED MAY 2001 TYPICAL CHARACTERISTICS TPS77025 TPS77025 TPS77033 TPS77033 OUTPUT VOLTAGE vs FREE-AIR TEMPERATURE OUTPUT VOLTAGE vs FREE-AIR TEMPERATURE 2.496 3.285 2.494 IO = 1 mA VO ­ Output Voltage ­ V VO ­ Output Voltage ­ V 2.490 2.488 IO = 50 mA 2.484 2.482 2.480 2.478 3.275 3.270 IO = 50 mA 3.265 3.260 VI = 3.5 V CO = 4.7 µF 2.476 ­60 ­40 ­20 IO = 1 mA 3.280 2.492 2.486 VI = 4.3 V CO = 4.7 µF 0 20 40 60 80 100 120 140 3.255 ­60 ­40 ­20 TA ­ Free-Air Temperature ­ °C 0 20 Figure 5 TPS77033 TPS77033 80 100 120 140 TPS77033 TPS77033 OUTPUT SPECTRAL NOISE DENSITY vs FREQUENCY 2 VI = 4.3 V CO = 4.7 µF 20 19 IO = 50 mA IO = 0 mA 18 17 16 Output Spectral Noise Density ­ µV Hz 22 Ground Current ­ µ A 60 Figure 6 GROUND CURRENT vs FREE-AIR TEMPERATURE 21 40 TA ­ Free-Air Temperature ­ °C 1.8 CO = 4.7 µF IO = 50 mA 1.4 1.2 1 0.8 CO = 4.7 µF IO = 1 mA 0.6 0.4 CO = 10 µF IO = 50 mA 0.2 VI = 4.3 V 15 ­60 ­40 ­20 0 20 40 60 80 100 120 140 CO = 10 µF IO = 1 mA 1.6 0 100 TA ­ Free-Air Temperature ­ °C 1k 10k 100k f ­ Frequency ­ Hz Figure 8 Figure 7 POST OFFICE BOX 655303 · DALLAS, TEXAS 75265 7 TPS77001 TPS77001, TPS77012 TPS77012, TPS77015 TPS77015, TPS77018 TPS77018, TPS77025 TPS77025 TPS77027 TPS77027, TPS77028 TPS77028, TPS77030 TPS77030, TPS77033 TPS77033, TPS77050 TPS77050 ULTRALOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS SLVS210D SLVS210D ­ JUNE 1999 ­ REVISED MAY 2001 TYPICAL CHARACTERISTICS TPS77033 TPS77033 OUTPUT IMPEDANCE vs FREQUENCY 100 2 1.8 DROPOUT VOLTAGE vs FREE-AIR TEMPERATURE VI = 4.3 V CO = 4.7 µF VI = 3.2 V CO = 4.7 µF VDO ­ Dropout Voltage ­ mV Zo ­ Output Impedance ­ 1.6 1.4 1.2 1 0.8 IO = 1 mA 0.6 0.4 10 IO = 10 mA IO = 50 mA 0.2 0 10 IO = 50 mA 100 1k 10k 100k 1 ­60 ­40 ­20 1M 0 20 40 60 80 100 120 140 TA ­ Free-Air Temperature ­ °C f ­ Frequency ­ Hz Figure 9 Figure 10 TPS77033 TPS77033 RIPPLE REJECTION vs FREQUENCY 100 LDO STARTUP TIME 90 Ripple Rejection ­ dB 80 EN 70 IO = 1 mA 60 50 40 30 IO = 50 mA 20 10 0 ­ 10 10 VI = 4.3 V CO = 4.7 µF ESR = 0.3 100 VO 1k 10 k 100 k 1M 10 M 0 20 40 f ­ Frequency ­ Hz Figure 11 8 60 80 100 120 140 160 180 200 t ­ Time ­ µs Figure 12 POST OFFICE BOX 655303 · DALLAS, TEXAS 75265 TPS77001 TPS77001, TPS77012 TPS77012, TPS77015 TPS77015, TPS77018 TPS77018, TPS77025 TPS77025 TPS77027 TPS77027, TPS77028 TPS77028, TPS77030 TPS77030, TPS77033 TPS77033, TPS77050 TPS77050 ULTRALOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS SLVS210D SLVS210D ­ JUNE 1999 ­ REVISED MAY 2001 TYPICAL CHARACTERISTICS TPS77015 TPS77015 LOAD TRANSIENT RESPONSE Current Load ­ mA VO ­ Output Voltage ­ mV TPS77015 TPS77015 LINE TRANSIENT RESPONSE 10 0 ­10 50 0 2.7 IL = 10 mA CO = 4.7 µF ESR = 0.3 0 20 40 60 80 100 120 140 160 180 200 t ­ Time ­ µs VO ­ Change In Output Voltage ­ mV VI ­ Input Voltage ­ V 3.7 0 ­50 VI = 2.7 V CO = 10 µF ESR = 0.3 ­100 0 20 40 60 80 100 120 140 160 180 200 t ­ Time ­ µs Figure 14 Figure 13 Current Load ­ mA TPS77033 TPS77033 LOAD TRANSIENT RESPONSE 10 0 ­10 VO ­ Change In Output Voltage ­ mV VO ­ Output Voltage ­ mV TPS77033 TPS77033 LINE TRANSIENT RESPONSE VI ­ Input Voltage ­ V 5.3 4.3 IL = 10 mA CO = 4.7 µF ESR = 0.3 0 20 40 60 80 100 120 140 160 180 t ­ Time ­ µs 50 0 0 ­20 VI = 4.3 V CO = 4.7 µF ESR = 0.3 ­40 0 20 40 60 80 100 120 140 160 180 t ­ Time ­ µs Figure 16 Figure 15 POST OFFICE BOX 655303 · DALLAS, TEXAS 75265 9 TPS77001 TPS77001, TPS77012 TPS77012, TPS77015 TPS77015, TPS77018 TPS77018, TPS77025 TPS77025 TPS77027 TPS77027, TPS77028 TPS77028, TPS77030 TPS77030, TPS77033 TPS77033, TPS77050 TPS77050 ULTRALOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS SLVS210D SLVS210D ­ JUNE 1999 ­ REVISED MAY 2001 TYPICAL CHARACTERISTICS TPS77033 TPS77033 TYPICAL REGIONS OF STABILITY TPS77033 TPS77033 TYPICAL REGIONS OF STABILITY EQUIVALENT SERIES RESISTANCE (ESR) vs OUTPUT CURRENT EQUIVALENT SERIES RESISTANCE (ESR) vs ADDED CERAMIC CAPACITANCE 100 VIN = 4.3 V CO = 4.7 µF ESR = 0.3 3.3 V LDO ESR ­ Equivalent Series Resistance ­ ESR ­ Equivalent Series Resistance ­ 100 Region of Instability 10 1 Region of Stability 0.1 VIN = 4.3 V CO = 4.7 µF IL = 50 mA Region of Instability 10 Region of Stability 1 0 5 10 15 20 25 30 35 40 45 0 50 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 Added Ceramic Capacitance ­ µF IO ­ Output Current ­ mA Figure 18 Figure 17 TPS77033 TPS77033 TYPICAL REGIONS OF STABILITY TPS77033 TPS77033 TYPICAL REGIONS OF STABILITY EQUIVALENT SERIES RESISTANCE (ESR) vs OUTPUT CURRENT EQUIVALENT SERIES RESISTANCE (ESR) vs ADDED CERAMIC CAPACITANCE 100 VIN = 4.3 V CO = 10 µF ESR = 0.3 3.3 V LDO Region of Instability ESR ­ Equivalent Series Resistance ­ ESR ­ Equivalent Series Resistance ­ 100 10 Region of Stability VIN = 4.3 V CO = 10 µF IL = 50 mA Region of Instability 10 Region of Stability 1 1 0 5 10 15 20 25 30 35 40 45 50 0 0.1 0.2 0.3 0.4 0.5 Figure 20 Figure 19 POST OFFICE BOX 655303 0.6 0.7 0.8 Added Ceramic Capacitance ­ µF IO ­ Output Current ­ mA 10 1 · DALLAS, TEXAS 75265 0.9 1 TPS77001 TPS77001, TPS77012 TPS77012, TPS77015 TPS77015, TPS77018 TPS77018, TPS77025 TPS77025 TPS77027 TPS77027, TPS77028 TPS77028, TPS77030 TPS77030, TPS77033 TPS77033, TPS77050 TPS77050 ULTRALOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS SLVS210D SLVS210D ­ JUNE 1999 ­ REVISED MAY 2001 APPLICATION INFORMATION The TPS770xx family of low-dropout (LDO) regulators have been optimized for use in battery-operated equipment. They feature extremely low dropout voltages, low quiescent current (17 µA nominally), and enable inputs to reduce supply currents to less than 1 µA when the regulators are turned off. device operation The TPS770xx uses a PMOS pass element to dramatically reduce both dropout voltage and supply current over more conventional PNP-pass-element LDO designs. The PMOS pass element is a voltage-controlled device and, unlike a PNP transistor, it does not require increased drive current as output current increases. Supply current in the TPS770xx is essentially constant from no load to maximum load. Current limiting and thermal protection prevent damage by excessive output current and/or power dissipation. The device switches into a constant-current mode at approximately 350 mA; further load reduces the output voltage instead of increasing the output current. The thermal protection shuts the regulator off if the junction temperature rises above approximately 165°C. Recovery is automatic when the junction temperature drops approximately 25°C below the high temperature trip point. The PMOS pass element includes a back gate diode that conducts reverse current when the input voltage level drops below the output voltage level. A voltage of 1.7 V or greater on the EN input will disable the TPS770xx internal circuitry, reducing the supply current to 1µA. A voltage of less than 0.9 V on the EN input will enable the TPS770xx and will enable normal operation to resume. The EN input does not include any deliberate hysteresis, and it exhibits an actual switching threshold of approximately 1.5 V. A typical application circuit is shown in Figure 21. TPS770xx VI C1 1 µF 1 IN NC/FB OUT 4 5 VO 3 EN + GND 2 4.7 µF ESR = 0.2 TPS77012 TPS77012, TPS77015 TPS77015, TPS77018 TPS77018, TPS77025 TPS77025, TPS77027 TPS77027, TPS77028 TPS77028, TPS77030 TPS77030, TPS77033 TPS77033, TPS77050 TPS77050 (fixed-voltage options). Figure 21. Typical Application Circuit POST OFFICE BOX 655303 · DALLAS, TEXAS 75265 11 TPS77001 TPS77001, TPS77012 TPS77012, TPS77015 TPS77015, TPS77018 TPS77018, TPS77025 TPS77025 TPS77027 TPS77027, TPS77028 TPS77028, TPS77030 TPS77030, TPS77033 TPS77033, TPS77050 TPS77050 ULTRALOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS SLVS210D SLVS210D ­ JUNE 1999 ­ REVISED MAY 2001 APPLICATION INFORMATION external capacitor requirements Although not required, a 0.047-µF or larger ceramic input bypass capacitor, connected between IN and GND and located close to the TPS770xx, is recommended to improve transient response and noise rejection. A higher-value electrolytic input capacitor may be necessary if large, fast-rise-time load transients are anticipated and the device is located several inches from the power source. Like all low dropout regulators, the TPS770xx requires an output capacitor connected between OUT and GND to stabilize the internal control loop. The minimum recommended capacitance is 4.7 µF. The ESR (equivalent series resistance) of the capacitor should be between 0.2 and 10 . to ensure stability. Capacitor values larger than 4.7 µF are acceptable, and allow the use of smaller ESR values. Capacitances less than 4.7 µF are not recommended because they require careful selection of ESR to ensure stability. Solid tantalum electrolytic, aluminum electrolytic, and multilayer ceramic capacitors are all suitable, provided they meet the requirements described above. Most of the commercially available 4.7 µF surface-mount solid tantalum capacitors, including devices from Sprague, Kemet, and Nichico, meet the ESR requirements stated above. Multilayer ceramic capacitors may have very small equivalent series resistances and may thus require the addition of a low value series resistor to ensure stability. CAPACITOR SELECTION MFR. VALUE MAX ESR SIZE (H × L × W) T494B475K016AS T494B475K016AS KEMET 4.7 µF 1.5 1.9 × 3.5 × 2.8 195D106x0016x2T SPRAGUE 10 µF 1.5 1.3 × 7.0 × 2.7 695D106x003562T SPRAGUE 10 µF 1.3 2.5 × 7.6 × 2.5 PART NO. TPSC475K035R0600 TPSC475K035R0600 AVX 4.7 µF 0.6 2.6 × 6.0 × 3.2 Size is in mm. ESR is maximum resistance in Ohms at 100 kHz and TA = 25°C. Contact manufacturer for minimum ESR values. 12 POST OFFICE BOX 655303 · DALLAS, TEXAS 75265 TPS77001 TPS77001, TPS77012 TPS77012, TPS77015 TPS77015, TPS77018 TPS77018, TPS77025 TPS77025 TPS77027 TPS77027, TPS77028 TPS77028, TPS77030 TPS77030, TPS77033 TPS77033, TPS77050 TPS77050 ULTRALOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS SLVS210D SLVS210D ­ JUNE 1999 ­ REVISED MAY 2001 APPLICATION INFORMATION output voltage programming The output voltage of the TPS77001 TPS77001 adjustable regulator is programmed using an external resistor divider as shown in Figure 22. The output voltage is calculated using: V O ) + Vref 1 R1 R2 (1) where Vref = 1.224 V typ (the internal reference voltage) Resistors R1 and R2 should be chosen for approximately 7-µA divider current. Lower value resistors can be used but offer no inherent advantage and waste more power. Higher values should be avoided as leakage currents at FB increase the output voltage error. The recommended design procedure is to choose R2 = 169 k to set the divider current at 7 µA and then calculate R1 using: R1 + V V O ref *1 (2) R2 OUTPUT VOLTAGE PROGRAMMING GUIDE OUTPUT VOLTAGE (V) TPS77001 TPS77001 DIVIDER RESISTANCE (k) R1 R2 2.5 174 169 3.3 287 169 3.6 324 169 4.0 383 523 169 1 IN OUT 1.7 V 169 5.0 VI 1 µF 3 VO R1 EN 0.9 V FB GND 2 1% values shown. 5 4 4.7 µF R2 ESR = 0.2 Figure 22. TPS77001 TPS77001 Adjustable LDO Regulator Programming POST OFFICE BOX 655303 · DALLAS, TEXAS 75265 13 TPS77001 TPS77001, TPS77012 TPS77012, TPS77015 TPS77015, TPS77018 TPS77018, TPS77025 TPS77025 TPS77027 TPS77027, TPS77028 TPS77028, TPS77030 TPS77030, TPS77033 TPS77033, TPS77050 TPS77050 ULTRALOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS SLVS210D SLVS210D ­ JUNE 1999 ­ REVISED MAY 2001 APPLICATION INFORMATION power dissipation and junction temperature Specified regulator operation is assured to a junction temperature of 125°C; the maximum junction temperature should be restricted to 125°C under normal operating conditions. This restriction limits the power dissipation the regulator can handle in any given application. To ensure the junction temperature is within acceptable limits, calculate the maximum allowable dissipation, PD(max), and the actual dissipation, PD, which must be less than or equal to PD(max). The maximum-power-dissipation limit is determined using the following equation: P + TJmax * TA D(max) R qJA Where: TJmax is the maximum allowable junction temperature RJA is the thermal resistance junction-to-ambient for the package, see the dissipation rating table. TA is the ambient temperature. The regulator dissipation is calculated using: P D + VI * VO I O Power dissipation resulting from quiescent current is negligible. Excessive power dissipation will trigger the thermal protection circuit. regulator protection The TPS770xx PMOS-pass transistor has a built-in back diode that conducts reverse current when the input voltage drops below the output voltage (e.g., during power down). Current is conducted from the output to the input and is not internally limited. If extended reverse voltage operation is anticipated, external limiting might be appropriate. The TPS770xx features internal current limiting and thermal protection. During normal operation, the TPS770xx limits output current to approximately 350 mA. When current limiting engages, the output voltage scales back linearly until the overcurrent condition ends. While current limiting is designed to prevent gross device failure, care should be taken not to exceed the power dissipation ratings of the package. If the temperature of the device exceeds approximately 165°C, thermal-protection circuitry shuts it down. Once the device has cooled down to below approximately 140°C, regulator operation resumes. 14 POST OFFICE BOX 655303 · DALLAS, TEXAS 75265 TPS77001 TPS77001, TPS77012 TPS77012, TPS77015 TPS77015, TPS77018 TPS77018, TPS77025 TPS77025 TPS77027 TPS77027, TPS77028 TPS77028, TPS77030 TPS77030, TPS77033 TPS77033, TPS77050 TPS77050 ULTRALOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS SLVS210D SLVS210D ­ JUNE 1999 ­ REVISED MAY 2001 MECHANICAL DATA DBV (R-PDSO-G5) PLASTIC SMALL-OUTLINE 0,50 0,30 0,95 5 0,20 M 4 1,70 1,50 1 0,15 NOM 3,00 2,60 3 Gage Plane 3,00 2,80 0,25 0°­8° 0,55 0,35 Seating Plane 1,45 0,95 0,05 MIN 0,10 4073253-4/F 4073253-4/F 10/00 NOTES: A. B. C. D. All linear dimensions are in millimeters. This drawing is subject to change without notice. Body dimensions do not include mold flash or protrusion. Falls within JEDEC MO-178 MO-178 POST OFFICE BOX 655303 · DALLAS, TEXAS 75265 15 PACKAGE OPTION ADDENDUM www.ti.com 24-Feb-2006 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty TPS77001DBVR TPS77001DBVR ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77001DBVRG4 TPS77001DBVRG4 ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77001DBVT TPS77001DBVT ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77001DBVTG4 TPS77001DBVTG4 ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77012DBVR TPS77012DBVR ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77012DBVRG4 TPS77012DBVRG4 ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77012DBVT TPS77012DBVT ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77012DBVTG4 TPS77012DBVTG4 ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77015DBVR TPS77015DBVR ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77015DBVRG4 TPS77015DBVRG4 ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77015DBVT TPS77015DBVT ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77015DBVTG4 TPS77015DBVTG4 ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77018DBVR TPS77018DBVR ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77018DBVRG4 TPS77018DBVRG4 ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77018DBVT TPS77018DBVT ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77018DBVTG4 TPS77018DBVTG4 ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77025DBVR TPS77025DBVR ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77025DBVRG4 TPS77025DBVRG4 ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77025DBVT TPS77025DBVT ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77025DBVTG4 TPS77025DBVTG4 ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77027DBVR TPS77027DBVR ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77027DBVRG4 TPS77027DBVRG4 ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77027DBVT TPS77027DBVT ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77027DBVTG4 TPS77027DBVTG4 ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77028DBVR TPS77028DBVR ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Addendum-Page 1 Lead/Ball Finish MSL Peak Temp (3) PACKAGE OPTION ADDENDUM www.ti.com 24-Feb-2006 Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty TPS77028DBVRG4 TPS77028DBVRG4 ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77028DBVT TPS77028DBVT ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77028DBVTG4 TPS77028DBVTG4 ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77030DBVR TPS77030DBVR ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77030DBVRG4 TPS77030DBVRG4 ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77030DBVT TPS77030DBVT ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77030DBVTG4 TPS77030DBVTG4 ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77033DBVR TPS77033DBVR ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77033DBVRG4 TPS77033DBVRG4 ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77033DBVT TPS77033DBVT ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77033DBVTG4 TPS77033DBVTG4 ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77050DBVR TPS77050DBVR ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77050DBVRG4 TPS77050DBVRG4 ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77050DBVT TPS77050DBVT ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS77050DBVTG4 TPS77050DBVTG4 ACTIVE SOT-23 DBV 5 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Lead/Ball Finish MSL Peak Temp (3) (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above. Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material) (3) MSL, Peak Temp. - The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is Addendum-Page 2 PACKAGE OPTION ADDENDUM www.ti.com 24-Feb-2006 provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release. In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis. 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