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.

■ 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