80mA DROPOUT LINEAR REGULATORS Power Management GM6080 80mA

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80mA DROPOUT LINEAR REGULATORS Power Management GM6080 80mA

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GM6080
80mA DROPOUT LINEAR REGULATORS
Power Management
GM6080 80mA linear voltage regulator SC70-5 package. With half footprint SOT-25 package, this SC70-5 regulator very dropout voltage (from typically 20mV light loads 300mV 80mA) very ground current (225µA 20mA output). includes logic-compatible enable input provides better than initial accuracy. GM6080 designed optimal performance with lowvalue, low-cost ceramic capacitors. most applications only 0.47µF output capacitance required stability. GM6080 designed specifically battery-powered devices. controlled CMOS compatible logic signal. When disabled, power consumption drops practically zero. on/off control required, enable tied input 3-terminal operation. further enhance battery life, ground current GM6080 increases only slightly dropout. Notable features include current limiting, overtemperature shutdown, protection against reversed battery connection. GM6080 available 2.5V, 2.6V, 2.7V, 2.8V, 3.0V, 3.3V, 3.6V fixed voltages. Other voltages available special order.
Features
Wide Selection output voltages Guaranteed 80mA output quiescent Current Dropout Voltage Tight Load Line Regulation Temperature Coefficient Current Thermal Limiting Reversed Input Polarity Protection Zero OFF-Mode Current Logic-Controlled Shutdown Stability with Low-ESR Ceramic Capacitors SC70-5 package
Application
Cellular Phones Laptop Notebook Computers Palmtops PDA's Battery-Powered Equipment Code Scanners SMPS Post-Regulator/DC-to-DC modules High-Efficiency Linear Power Supplies
GM6080
Enable Shutdown
VOUT
0.47µF
Regulator Circuit
Www.gammamicro.com
PRELIMINARY
GM6080
Revision Mar. 2004
TYPICAL APPLICATION CIRCUITS
GM6080
MARKING INFORMATION CONFIGURATIONS (TOP VIEW)
SC70-5
XXVVW
Specific Device Code(LA GM6080) Voltage Code Work Week
ORDERING INFORMATION
Ordering Number
GM6080-1.5C75R GM6080-1.8C75R GM6080-2.5C75R GM6080-2.8C75R GM6080-3.0C75R GM6080-3.3C75R GM6080-3.3ST25R GM6080-4.0C75R GM6080-5.0C75R
Output Voltage
Package
SC70-5 SC70-5 SC70-5 SC70-5 SC70-5 SC70-5 SOT-25 SC70-5 SC70-5
Shipping
3,000 Units/ Tape Reel 3,000 Units/ Tape Reel 3,000 Units/ Tape Reel 3,000 Units/ Tape Reel 3,000 Units/ Tape Reel 3,000 Units/ Tape Reel 3,000 Units/ Tape Reel 3,000 Units/ Tape Reel 3,000 Units/ Tape Reel
GM6080
detail Ordering Number identification, please last page.
GM6080
DESCRIPTION
Number
Name
Function
Enable (Input): TTL/ COMS compatible control input. Logic high enabled, logic open shutdown. internally connected Ground Regulator Output Supply Input
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Power Dissipation Input Supply Voltage Enable Input Voltage Lead Temperature (Soldering, sec.) Storage Temperature Range
SYMBOL
TLEAD TSTG
RATINGS
Internally Limited +150 Note
UNITS
OPERATING RATINGS
PARAMETER
Input Voltage Enable Input Voltage Junction Temperature Range Thermal Resistance
SYMBOL
RATINGS
+2.5 Note
UNIT
GM6080
GM6080 ELECTRICAL CHARACTERISTICS
(VIN VOUT 1mA; 0.47µF; unless otherwise noted) 2.0; 25°C, bold values indicate -40°C +125°C;
Parameter
Output Voltage Accuracy Output Voltage Temp. Coefficient Line Regulation Load Regulation
Symbol
DVO/ DVO/ DVO/
Test Condition
Unit
ppm/
Note VOUT 0.1mA 80mA, Note 100µA
0.08 0.08 0.01 1800 0.05
Dropout Voltage, Note
20mA 50mA 80mA
Quiescent Current
0.4V (shutdown)
100µA, 2.0V (active) Ground Current, Note IGND =20mA, 2.0V (active) =50mA, 2.0V (active) =80mA, 2.0V (active) Ground Current Dropout Current Limit Ground Current Dropout Enable Input Enable Input Voltage Level Logic (OFF) Logic High (ON) 0.6V 2.0V IGNDDO ILIMIT DVO/ VOUT(nominal) -0.5V, Note VOUT Note
3000
Enable Input Current
0.01
Note Exceeding absolute maximum rating damage device. Note device guaranteed function outside operating rating. Note Devices sensitive. Handling precautions recommended. Note maximum allowable power dissipation function maximum junction temperature, TJ(max), junction -to-ambient thermal resistance, RqJA, ambient temperature, maximum allowable power dissipation ambient temperature calculated using: PD(max) (TJ(max) -TA) RqJA. Exceeding maximum allowable power dissipation will result excessive temperature, regulator will into thermal shutdown. RqJA SC70-5 450°C/W, mounted board. Note Output voltage temperature coefficient defined worst case voltage change divided total temperature range. Note Regulation measured constant junction temperature using duty cycle pulse testing. Changes output voltage heating effects covered thermal regulation specification. Note Dropout voltage defined input output differential which output voltage drops below nominal value measured differential. Note Ground current regulator quiescent current plus pass transistor base current. total current drawn from supply load current plus ground current. Note Thermal regulation defined change output voltage time after change power dissipation applied, excluding load line regulation effects. Specifications 80mA load pulse 10ms.
GM6080
GM6080
Applications Information
Input Capacitor Place 0.1µF capacitor from applications where there more than inches wire between input filter capacitor, where battery used input. Output Capacitor with based regulators, GM6080 requires output capacitor prevent oscillation. However, GM6080 extremely stable, requires only 0.47µF output capacitance stability. type capacitor, GM6080 works great with cheap, tiny ceramic capacitors-why spend more? increase output capacitor value without limit improve transient response. Caveat: best results capacitor with resonant frequency above 500kHz. Note that ceramic capacitor work great with GM6080, some ceramic capacitors have dielectrics with less-than-ideal thermal coefficients; this will affect capacitance value over temperature. Tantalum capacitors very stable over temperature, larger cost more. Aluminum electrolytics work their electrolytes freeze -30°C. Stick with Tantalums ceramics operation below -25°C. No-Load Stability Unlike many regulators, GM6080 will remain stable regulation with load other than internal voltage divider. This makes GM6080 ideal CMOS keep-alive applications. Enable Input GM6080 off-mode current practically zero. When enable input (EN) held below 0.6V, internal circuitry powered off. Pulling high (over 2.0V) turns GM6080. When held low, regulator draws only 10nA (typical). Although logic threshold TTL/CMOS compatible, pulled high 20V, independent VIN. Thermal Behavior GM6080 designed provide 80mA continuous current despite tiny SC70-5. calculate maximum power dissipation based output current voltage drop across part. determine maximum power dissipation package, junction-to-ambient thermal resistance device this simple equation:
PD(max)
(TJ(max)
RqJA
TJ(max) maximum junction temperature die, 125°C, maximum ambient temperature. RqJA junction-to-ambient thermal resistance ambient regulator. RqJA GM6080 450°C/W. actual power dissipation regulator circuit determined using basic equation:
(VIN VOUT) IOUT IGND
Substituting PD(max), determined above, solving operating conditions that critical your application will give maximum operating conditions regulator circuit. example, operating GM6080-3.0 room temperature, with minimum footprint layout, determine maximum input voltage output current.
PD(max)
PD(max) 450°
GM6080
GM6080
prevent device from going into thermal shutdown, exceed maximum power dissipation. Using output voltage 3.0V, output current 80mA, determine maximum input voltage. Ground current, maximum 80mA output current, found "Electrical Characteristics" section this data sheet.
222mW (VIN 3.0V) 80mA 222mW (80mA VIN) 240mW 462mW 83mA 5.57V max.
Therefore, 3.0V application 80mA output current accept maximum input voltage 5.6V SC70-5 package. Fixed-Voltage Regulator GM6080 ideal general-purpose voltage regulator handheld device. Where miniaturization paramount, can't beat GM6080 solution, with microscopic SC70-5 package (half footprint SOT-25) combined with tiny ceramic capacitors.
GM6080
GM6080 Typical Characteristics
1000 10µF COUT
Dropout Voltage (mV)
Dropout Voltage (mV)
80mA
10µF COUT
Output Current (mA)
100µA
Temperature (°C)
0.01
Figure Dropout Voltage Output Current
Figure Dropout Voltage Temperature
10µF COUT
Output Voltage
80mA 10µF COUT
Output Current (mA)
Output Voltage (mV)
100µA
Supply Voltage
Figure Dropout Characteristics
Figure Output Voltage Output Current
10µF COUT
MIN. Supply Voltage
Temperature (°C)
Figure Minimum Supply Voltage Temperature
GM6080
VOUT 3.3V
GM6080 SC70-5 PACKAGE OUTLINE DIMENSIONS
0.082 0.005 (2.1 0.125) 0.009 0.003 (0.225 0.075)
0.005 0.0015 (0.14 0.04)
0.082 0.004 (2.1 0.3)
0.009 0.003 (0.225 0.075) 0.0512 1.30
0.0255 0.65
0.014 0.004 (0.36 0.1)
0.004 0.10
0.05 0.005 (1.25 0.1)
Layout
0.4mm(min) 1.5mm (min)
1.9mm
0.65mm
0.65mm
0.035 0.0045 (0.9 0.1)
0.037 0.006 (0.95 0.15)
Inches
ORDERING NUMBER
6080
Gamma Micro. Circuit Type Shipping Tape Reel
GM6080
Output Voltage 1.5: 1.5V, 1.8: 1.8V 2.5: 2.5V, 3.0: 3.0V 3.3: 3.3V, 4.0: 4.0V 5.0: 5.0V
Package C75=SC70-5

80mA DROPOUT LINEAR REGULATORS Power Management GM6080 80mA

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