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TC2014 Arkusz danych(PDF) 1 Page - Microchip Technology |
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TC2014 Arkusz danych(HTML) 1 Page - Microchip Technology |
1 / 18 page 2003 Microchip Technology Inc. DS21662C-page 1 M Features • Low Supply Current: 80 µA (Max) • Low Dropout Voltage: 140 mV (Typ) @ 150 mA • High Output Voltage Accuracy: ±0.4% (Typ) • Standard or Custom Output Voltages • Power-Saving Shutdown Mode • Reference Bypass Input for Ultra Low-Noise Operation • Fast Shutdown Response Time: 60 µsec (Typ) • Over-Current Protection • Space-Saving 5-Pin SOT-23A Package • Pin Compatible Upgrades for Bipolar Regulators • Wide Operating Temperature Range: -40°C to +125°C Applications • Battery Operated Systems • Portable Computers • Medical Instruments • Instrumentation • Cellular / GSM / PHS Phones • Linear Post-Regulator for SMPS • Pagers Package Type General Description The TC2014, TC2015 and TC2185 are high-accuracy (typically ±0.4%) CMOS upgrades for bipolar low drop- out regulators, such as the LP2980. Total supply cur- rent is typically 55 µA; 20 to 60 times lower than in bipolar regulators. The key features of the device include low noise oper- ation (plus bypass reference), low dropout voltage – typically 45 mV for the TC2014, 90 mV for the TC2015, and 140 mV for the TC2185, at full load – and fast response to step changes in load. Supply current is reduced to 0.5 µA (max) and VOUT falls to zero when the shutdown input is low. The devices also incorporate over-current protection. The TC2014, TC2015 and TC2185 are stable with an output capacitor of 1 µF and have a maximum output current of 50 mA, 100 mA and 150 mA, respectively. For higher output versions, see the TC1107 (DS21356), TC1108 (DS21357) and TC1173 (DS21362) (IOUT = 300 mA) datasheets. Related Literature • Application Notes: AN765, AN766, AN776 and AN792 Typical Application TC2014 TC2015 TC2185 13 4 5 2 Bypass GND VOUT VIN SHDN 5-Pin SOT-23A 0.01 µF Reference Bypass Cap (Optional) Shutdown Control (from Power Control Logic) TC2014 TC2015 TC2185 VIN 1 2 34 5 VIN VOUT Bypass SHDN GND VOUT 1µF 1µF + + TC2014/2015/2185 50 mA, 100 mA, 150 mA CMOS LDOs with Shutdown and Reference Bypass |
Podobny numer części - TC2014 |
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Podobny opis - TC2014 |
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