Extremely Supply Current Longer Battery Life! Select Mode Selectable O

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TC1306 Dual 150mA CMOS With Select Mode SHUTDOWN RESET Output
Extremely Supply Current Longer Battery Life! Select Mode Selectable Output Voltages High Design Flexibility Very Dropout Voltage 10µsec (Typ.) Wake Time from SHDN Guaranteed 150mA Output Current High Output Voltage Accuracy Power-Saving Shutdown Mode RESET Output Used Battery Detector, Processor Reset Generator Over-Current Over-Temperature Protection Space-Saving 8-Pin MSOP Package
GENERAL DESCRIPTION
TC1306 combines CMOS Dropout Regulators Microprocessor Monitor space-saving 8Pin MSOP package. Designed specifically batteryoperated systems, device's CMOS construction eliminates wasted ground current, significantly extending battery life. Total supply current this device typically 120µA full load times lower than bipolar regulators!). TC1306 features selectable output voltages higher design flexibility. dual-state SELECT allows user select VOUT2 from different values (2.8V 3.0V). VOUT1 supplies fixed 1.8V voltage. active RESET asserted when output voltage VOUT2 falls below 2.63V reset voltage threshold. RESET output remains 300msec (typical) after VOUT2 rises above reset threshold. When shutdown control (SHDN1) low, regulator output voltage VOUT1 falls zero RESET output remains valid. When shutdown control (SHDN2) low, regulator output voltage VOUT2 falls zero RESET output low. Other features device include ultra low-noise operation, fast response step changes load, very dropout voltage, typically 240mV full load. device also incorporates both over-temperature over-current protection. Each regulator stable with output capacitor only maximum output current 150mA.
APPLICATIONS
Battery Operated Systems Portable Computers Medical Instruments Instrumentation Cellular Phones Linear Post-Regulator SMPS Pagers
CONFIGURATION 8-Pin MSOP
SELECT SHDN1 RESET VOUT2 VOUT1
TC1306
ORDERING INFORMATION
Part Number TC1306R-BDVUA Package 8-Pin MSOP Junction Temp. Range 40°C +125°C
SHDN2
TYPICAL APPLICATION
RESET RESET
NOTE: denotes suffix 2.63V RESET threshold
Available Output Voltages: indicates Vout1 1.8V (fixed) indicates Vout2 2.8V, 3.0V (selectable)
Other output voltages available. Please contact Microchip Technology details.
TC1306
VOUT2 3.3µF SELECT VOUT1 3.3µF SHDN1 SHDN2 VOUT1 VOUT2
2001 Microchip Technology Inc.
DS21527
TC1306-01
7/26/00
Dual 150mA CMOS With Select ModeTM, Shutdown RESET Output TC1306
ABSOLUTE MAXIMUM RATINGS*
Input Voltage .6.5V Output Voltage 0.3) (VIN 0.3) Power Dissipation Internally Limited (Note Operating Temperature 40°C 125°C Storage Temperature 65°C +150°C Maximum Voltage 0.3V 0.3V Lead Temperature (Soldering, Sec.) +260°C
*Stresses beyond those listed under "Absolute Maximum Ratings" cause permanent damage device. These stress ratings only, functional operation device these other conditions beyond those indicated operational sections specifications implied. Exposure absolute maximum rating conditions extended periods affect device reliability.
ELECTRICAL CHARACTERISTICS: 100µA, 3.3µF, SHDN1 VIH, SHDN2 VIH, 25°C, unless
otherwise noted. Boldface type specifications apply junction temperatures 40°C +125°C.
Symbol
IOUTMAX VOUT TCVOUT VOUT/VIN VOUT/VOUT VOUT
Parameter
Input Operating Voltage Maximum Output Current Output Voltage VOUT Temperature Coefficient Line Regulation Load Regulation Dropout Voltage
Test Conditions
2.5%
±0.5% 0.05 0.05 0.04
2.5% 0.35
Units
ppm/°C
Note Note 0.1mA IOUTMAX Note 100µA 50mA 100mA 150mA Note SHDN1, SHND2=VIH, IL=0 SHDN1, SHDN2 1KHz VOUT Notes 1µF, COUT 4.7µF 30mA, (See Fig. 1µF, COUT 4.7µF 30mA, (See Fig.
IINSD PSRR IOUTSC VOUT/PD
Supply Current Shutdown Supply Current Power Supply Rejection Ratio Output Short Circuit Current Thermal Regulation Wake Time (from Shutdown Mode) Settling Time (from Shutdown Mode) Thermal Shutdown Temperature Thermal Shutdown Hysteresis Output Noise
µsec
µsec
IOUTMAX, 10kHz 470pF from Bypass 2.7V 6.0V 2.7V 6.0V 2.7V 6.0V 2.7V 6.0V
nV/Hz
SHDN Input
VSELH VSELL SHDN Input High Threshold SHDN Input Threshold SELECT Input High Threshold SELECT Input Threshold %VIN %VIN %VIN %VIN
SELECT Input
TC1306-01
7/26/00
2001 Microchip Technology Inc.
DS21527
Dual 150mA CMOS With Select ModeTM, Shutdown RESET Output TC1306
ELECTRICAL CHARACTERISTICS: 100µA, 3.3µF, SHDN1 VIH, SHDN2 VIH, 25°C, unless otherwise noted. Boldface type specifications apply junction temperatures 40°C +125°C.
Symbol
VMIN,IN
Parameter
Test Conditions
2.63
2.66 2.70
Units
ppm/°C µsec msec
RESET Output
Minimum Operating Voltage +70°C 40°C +125°C Reset Threshold +25°C 2.59 40°C +125°C 2.55 Reset Threshold Tempco VOUT2 Reset Delay VOUT2 (VTH 100mV) Reset Active Timeout Period RESET Output Voltage VOUT2 min, ISINK 1.2mA VOUT2 min, ISINK 3.2mA VOUT2 1.0V, ISINK 50µA RESET Output Voltage High VOUT2 max, ISOURCE 500µA VOUT2 VOUT2> max, ISOURCE 800µA VOUT2
NOTES: regulator output voltage setting. example: 2.8V, 3.0V. TCVOUT (VOUTMAX VOUTMIN) VOUT Regulation measured constant junction temperature using duty cycle pulse testing. Load regulation tested over load range from 0.1mA maximum specified output current. Changes output voltage heating effects covered thermal regulation specification. Dropout voltage defined input output differential which output voltage drops below nominal value differential. Thermal Regulation defined change output voltage time, after change power dissipation applied, excluding load line regulation effects. Specifications current pulse equal ILMAX 10msec. maximum allowable power dissipation function ambient temperature, maximum allowable junction temperature thermal resistance from junction-to-air (i.e. JA). Exceeding maximum allowable power dissipation causes device initiate thermal shutdown. Please Thermal Considerations section this data sheet more details.
DESCRIPTION
(8-Pin MSOP)
Symbol
SELECT SHDN1
Description
Power supply input. Ground terminal. SELECT control input setting VOUT2 SELECT=Low VOUT2 2.8V, SELECT=High VOUT2 3.0V Shutdown control input VOUT1. Regulator fully enabled when logic high applied this input. Regulator enters shutdown when logic applied this input. During shutdown, regulator output voltage falls zero, RESET output remains valid. Shutdown control input VOUT2. Regulator fully enabled when logic high applied this input. Regulator enters shutdown when logic applied this input. During shutdown, regulator output voltage falls zero, RESET output low. Regulated voltage output Regulated voltage output RESET Output. RESET=Low when VOUT2 below Reset Threshold Voltage. RESET=High when VOUT2 above Reset Threshold Voltage.
SHDN2
VOUT1 VOUT2 RESET
2001 Microchip Technology Inc.
DS21527
TC1306-01
7/26/00
Dual 150mA CMOS With Select ModeTM, Shutdown RESET Output TC1306
Turn Response turn response defined separate response categories, Wake Time (tWK) Settling Time (tS). TC1306 fast Wake Time (10µsec typical) when released from shutdown. Figure Wake Time designated tWK. Wake Time defined time takes output rise VOUT value after being released from shutdown. total turn response defined Settling Time (tS), Figure Settling Time (inclusive with tWK) defined condition when output within fully enabled value (50µsec typical) when released from shutdown. settling time output voltage dependent load conditions output capacitance VOUT response).
SHDN VOUT
Figure Wake Response Time
single layer dielectric copper clad board. PDMAX (TJMAX TAMAX)
Where terms previously defined.
Equation
Equation used conjunction with Equation ensure regulator thermal operation within limits. example: GIVEN: VINMAX 3.8V VOUT1MIN 3.0V 2.5% VOUT2MIN 2.8V 2.5% ILOAD1MAN 120mA ILOAD2MAX 60mA TJMAX 125°C TAMAX 55°C 200°C/W
FIND: Actual power dissipation: [(VINMAX VOUT1MIN) ILOAD1MAX [(VINMAX VOUT2MIN) ILOAD2MAX [(3.8 1.05) (3.0 .975)] 10-3 [(3.8 1.05) (2.8 .975)] 10-3 203.4mW Maximum allowable power dissipation: (TJMAX- TAMAX)
Thermal Considerations
Thermal Shutdown Integrated thermal protection circuitry shuts regulator when temperature exceeds 160°C. regulator remains until temperature drops approximately 150°C. Power Dissipation amount power regulator dissipates primarily function input output voltage, output current. following equation used calculate worst case actual power dissipation: (VINMAX VOUTMIN)ILOADMAX Where: VINMAX VOUTMIN ILOADMAX worst case actual power dissipation maximum voltage minimum regulator output voltage maximum output (load) current
Equation
(125 350mW this example, TC1306 dissipates maximum only 203.4mW; below allowable limit 350mW. similar manner, Equation Equation used calculate maximum current and/or input voltage limits. example, maximum allowable found substituting maximum allowable power dissipation 350mW into Equation from which VINMAX 4.6V. Layout Considerations primary path heat conduction package package leads. Therefore, layouts having ground plane, wide traces pads, wide power supply lines combine lower and, therefore, increase maximum allowable power dissipation limit.
2001 Microchip Technology Inc.
maximum allowable power dissipation (Equation function maximum ambient temperature (TAMAX), maximum allowable temperature (125°C), thermal resistance from junction-to-air JA). MSOP-8 package approximately 200°C/W; when mounted
TC1306-01 7/26/00
DS21527
Dual 150mA CMOS With Select ModeTM, Shutdown RESET Output TC1306
TAPE REEL DIAGRAMS
Component Taping Orientation 8-Pin MSOP Devices
User Direction Feed
User Direction Feed
Standard Reel Component Orientation Suffix Device
Reverse Reel Component Orientation Suffix Device
Carrier Tape, Number Components Reel Reel Size
Package Carrier Width Pitch Part Full Reel Reel Size
8-Pin MSOP
2500
PACKAGE DIMENSIONS
8-Pin MSOP
.122 (3.10) .114 (2.90)
.197 (5.00) .189 (4.80)
.026 (0.65) TYP.
.122 (3.10) .114 (2.90) .043 (1.10) MAX. .016 (0.40) .010 (0.25) .006 (0.15) .002 (0.05)
MAX. .028 (0.70) .016 (0.40)
.008 (0.20) .005 (0.13)
Dimensions: inches (mm)
2001 Microchip Technology Inc. DS21527
TC1306-01
7/26/00
Dual 150mA CMOS With Select ModeTM, Shutdown RESET Output TC1306
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rights reserved. 2001 Microchip Technology Incorporated. Printed USA. 1/01
Information contained this publication regarding device applications like intended through suggestion only superseded updates. your responsibility ensure that your application meets with your specifications. representation warranty given liability assumed Microchip Technology Incorporated with respect accuracy such information, infringement patents other intellectual property rights arising from such otherwise. products critical components life support systems authorized except with express written approval Microchip. licenses conveyed, implicitly otherwise, except maybe explicitly expressed herein, under intellectual property rights. Microchip logo name registered trademarks Microchip Technology Inc. U.S.A. other countries. rights reserved. other trademarks mentioned herein property their respective companies.
TC1306-01
7/26/00
2001 Microchip Technology Inc.
DS21527

Extremely Supply Current Longer Battery Life! Select Mode Selectable O

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