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TC1071 Datasheet(PDF) 1 Page - Microchip Technology |
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TC1071 Datasheet(HTML) 1 Page - Microchip Technology |
1 / 20 page © 2007 Microchip Technology Inc. DS21353D-page 1 TC1070/TC1071/TC1187 Features: • 50 µA Ground Current for Longer Battery Life • Adjustable Output Voltage • Very Low Dropout Voltage • Choice of 50 mA (TC1070), 100 mA (TC1071) and 150 mA (TC1187) Output • Power-Saving Shutdown Mode • Over Current and Over Temperature Protection • Space-Saving 5-Pin SOT-23 Package • Pin Compatible with Bipolar Regulators Applications: • Battery Operated Systems • Portable Computers • Medical Instruments • Instrumentation • Cellular/GSM/PHS Phones • Linear Post-Regulators for SMPS • Pagers Typical Application General Description: The TC1070, TC1071 and TC1187 are adjustable LDOs designed to supersede a variety of older (bipolar) voltage regulators. Total supply current is typically 50 μA at full load (20 to 60 times lower than in bipolar regulators). The devices’ key features include ultra low-noise operation, very low dropout voltage – typically 85 mV (TC1070); 180 mV (TC1071); and 270 mV (TC1187) at full load, and fast response to step changes in load. Supply current is reduced to 0.5 μA (maximum) when the shutdown input is low. The devices incorporate both over-temperature and over-current protection. Output voltage is programmed with a simple resistor divider from VOUT to ADJ to GND. The TC1070, TC1071 and TC1187 are stable with an output capacitor of only 1 μF and have a maximum output current of 50 mA, 100 mA and 150 mA, respectively. For higher output versions, please see the TC1174 (IOUT = 300 mA) data sheet. Package Type TC1070 TC1071 TC1187 VOUT GND C1 1 µF + VIN VIN VOUT 1 5 2 4 3 SHDN Shutdown Control (from Power Control Logic) ADJ R1 R2 [ ] VOUT = VREF x +1 R1 R2 ADJ SHDN 5 5-Pin SOT-23 TC1070 TC1071 TC1187 13 4 2 VIN VOUT GND 50mA, 100mA and 150mA Adjustable CMOS LDOs with Shutdown |
Número de pieza similar - TC1071 |
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Descripción similar - TC1071 |
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