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TC1107

Microchip
Part Number TC1107
Manufacturer Microchip
Description 300mA CMOS LDO
Published Aug 21, 2005
Detailed Description TC1107 300mA CMOS LDO with Shutdown and VREF Bypass Features • • • • • • • • • Extremely Low Supply Current (50µA, Typ.)...
Datasheet PDF File TC1107 PDF File

TC1107
TC1107

Overview
TC1107 300mA CMOS LDO with Shutdown and VREF Bypass Features • • • • • • • • • Extremely Low Supply Current (50µA, Typ.
) Very Low Dropout Voltage 300mA Output Current High Output Voltage Accuracy Standard or Custom Output Voltages Power Saving Shutdown Mode Bypass Input for Ultra Quiet Operation Over Current and Over Temperature Protection Space-Saving MSOP Package Option General Description The TC1107 is a fixed output, high accuracy (typically ±0.
5%) CMOS upgrade for older (bipolar) low dropout regulators.
Total supply current is typically 50µA at full load (20 to 60 times lower than in bipolar regulators).
TC1107 key features include ultra low noise operation (plus optional Bypass input); very low dropout voltage (typically 240mV at full load), and fast response to step changes in load.
Supply current is reduced to 0.
05µA (typical) and VOUT falls to zero when the shutdown input is low.
The TC1107 incorporates both over temperature and over current protection.
The TC1107 is stable with an output capacitor of only 1µF and has a maximum output current of 300mA.
Applications • • • • • • • Battery Operated Systems Portable Computers Medical Instruments Instrumentation Cellular/GSM/PHS Phones Linear Post-Regulators for SMPS Pagers Typical Application VOUT 1 + C1 1µF 2 VOUT VIN 8 VIN 7 GND NC Device Selection Table Part Number TC1107-xxVOA TC1107-xxVUA Package 8-Pin SOIC 8-Pin MSOP Junction Temp.
Range -40°C to +125°C -40°C to +125°C 3 TC1107 NC NC 6 4 Bypass SHDN 5 NOTE: xx indicates output voltages Available Output Voltages: 2.
5, 2.
8, 3.
0, 3.
3, 5.
0.
Other output voltages are available.
Please contact Microchip Technology Inc.
for details.
CBYPASS 470pF (Optional) Shutdown Control (from Power Control Logic) Package Type 8-Pin MSOP VOUT GND NC Bypass 1 2 3 4 8 7 6 5 8-Pin SOIC VIN NC NC SHDN VOUT 1 GND 2 NC 3 Bypass 4 TC1107VOA 8 VIN 7 NC 6 NC 5 SHDN TC1107VUA © 2002 Microchip Technology Inc.
DS21356B-page 1 TC1107 1.
0 ELECTRICAL CHARACTERISTICS ...


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