TPS737 1-A Low-Dropout Regulator With Reverse Current Protection

1 Features • Stable with 1-μF or larger ceramic output capacitor • Input voltage range: 2.2 V to 5.5 V • Ultra-low dropout voltage – Legacy silicon: 130 mV typical at 1 A – New silicon, M3 suffix: 122 mV typical at 1 A • Excellent load transient response—even with only 1-μF output capacitor

Low Cost, Low Power, True RMS-to-DC Converter

FEATURES Computes True rms value Average rectified value Absolute value Provides 200 mV full-scale input range (larger inputs with input scaling) Direct interfacing with 3½ digit CMOS analog-to-digital converters (ADCs) High input impedance: 1012 Ω Low input bias current: 25 pA maximum High