TC1174 Datasheet
http://www.microchip.com/stellent/images/mchpsiteimages/dwnfolder.gifTC1174 DatasheetThe TC1174 is an adjustable output CMOS low dropout regulator. Total supply current is typically 50µA at full load (20 to 60 times lower than in bipolar regulators!). TC1174 key features include ultra low noise operation (plus optional Bypass input); very low dropout voltage (typically 240mV at full load) and internal feed-forward compensation for 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 TC1174 incorporates both over-temperature and over-current protection. The TC1174 is stable with an output capacitor of only 1µF and has a maximum output current of 300mA.
Parameter NameValue
Max Input Voltage6
Output Voltage (v)1.20 --- 5.5
Typical Active Current (µA)50
Typical Dropout Voltage @ Max. lout (mV)270
Output Capacitor TypeAluminum/Tantalum
Output Current (mA)300
Features
Low Supply Current of 50 µA typical
Very Low Dropout Voltage
Minimum 300mA Output Current
Adjustable Output Voltage
Power-Saving Shutdown Mode
Bypass Input for Ultra-Quiet Operation
Over-Current and Over-Temperature Protection
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