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Description

The device implements a dual-phase step-down controller with a 180 phase-shift between each phase optimized for high current DC/DC applications.

Features

■ 2 PHASE OPERATION WITH SYNCHRONOUS RECTIFIER CONTROL

■ ULTRA FAST LOAD TRANSIENT RESPONSE

■ INTEGRATED HIGH CURRENT GATE DRIVERS: UP TO 2A GATE CURRENT

■ 3 BIT PROGRAMMABLE OUTPUT FROM 0.900V TO 3.300V OR WITH EXTERNAL REF.

■ ±0.9 OUTPUT VOLTAGE ACCURACY

■ 3mA CAPABLE AVAILABLE REFERENCE

■ INTEGRATED PROGRAMMABLE REMOTE SENSE AMPLIFIER

■ PROGRAMMABLE DROOP EFFECT

■ 10 ACTIVE CURRENT SHARING ACCURACY

■ DIGITAL 2048 STEP SOFT-START

■ CROWBAR LATCHED OVERVOLTAGE PROT.

■ NON-LATCHED UNDERVOLTAGE PROT.

■ OVERCURRENT PROTECTION REALIZED USING THE LOWER MOSFETS RdsON OR A SENSE RESISTOR

■ OSCILLATOR EXTERNALLY ADJUSTABLE AND INTERNALLY FIXED AT 150kHZ

■ POWER GOOD OUTPUT AND INHIBIT FUNCTION

■ PACKAGES: SO-28 & VFQFPN-36

Applications

■ HIGH CURRENT DC/DC CONVERTERS

■ DISTRIBUTED POWER SUPPLY