General Description

The Micrel MIC37300/01/02 is a 3.0A low-dropout linear voltage regulator that provides a low-voltage, high-current output with a minimum number of external components. It offers high precision, ultra-low-dropout (500mV overtemperature), and low-ground current.

Features

• 3.0A minimum guaranteed output current

• 500mV maximum dropout-voltage overtemperature

Ideal for 3.0V to 2.5V conversion

Ideal for 2.5V to 1.8V, 1.65V, or 1.5V conversion

• Stable with ceramic or tantalum capacitor

• Wide input voltage range:

VIN: 2.25V to 6.0V

• +1.0% initial output tolerance

• Fixed and adjustable output voltages:

MIC37300 — 3-pin fixed

MIC37301 — 5-pin fixed with flag

MIC37302 — 5-pin adjustable

• Excellent line and load regulation specifications

• Logic controlled shutdown

• Thermal shutdown and current-limit protection

• Reverse-leakage protection

• Low profile S-Pak package

Applications

• LDO linear regulator for low-voltage digital IC

• PC add-in cards

• High-efficiency linear power supplies

• SMPS post regulator

• Battery charger