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General Description

The TC2014, TC2015 and TC2185 are high-accuracy (typically ±0.4) CMOS upgrades for bipolar Low Drop-out Regulators (LDOs), such as the LP2980. Total supply current is typically 55 ?A; 20 to 60 times lower than in bipolar regulators.

Features

? Low Supply Current: 80 ?A (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 ?sec (Typ.)

? Overcurrent and Overtemperature Protection

? Space-Saving 5-Pin SOT-23A Package

? Pin-Compatible Upgrades for Bipolar Regulators

? Wide Operating Temperature Range: -40°C to +125°C

? Standard Output Voltage Options:

- 1.8V, 2.5V, 2.6V, 2.7V, 2.8V, 2.85V, 3.0V,3.3V, 5.0V

Applications

? Battery-Operated Systems

? Portable Computers

? Medical Instruments

? Instrumentation

? Cellular/GSM/PHS Phones

? Linear Post-Regulator for SMPS

? Pagers