
STMicroelectronics
DESCRIPTION
L6918A is a master device that it has to be combined with the L6918,slave, realizing a 4-phases topology, interleaved. The device kit is specifically designed to provide a high performance/high density DC/DC conversion for high current microprocessors and distributed power. Each device implements a dual-phase step-down controller with a 180° phase-shift between each phase.
■ OUTPUT CURRENT IN EXCESS OF 100A
■ ULTRA FAST LOAD TRANSIENT RESPONSE
■ REMOTE SENSE BUFFER
■ INTEGRATED 2A GATE DRIVERS
■ 5 BIT VID VOLTAGE POSITIONING, VRM 9.0
■ 0.6% INTERNAL REFERENCE ACCURACY
■ DIGITAL 2048 STEP SOFT-START
■ OVP & OCP PROTECTIONS
■ Rdson or Rsense CURRENT SENSING
■ 1200KHz EFFECTIVE SWITCHING FREQUENCY, EXTERNALLY ADJUSTABLE
■ POWER GOOD OUTPUT AND INHIBIT
■ PACKAGE: SO28
APPLICATIONS
■ HIGH DENSITY DC-DC FOR SERVERS AND WORKSTATIONS
■ SUPPLY FOR HIGH CURRENT MICROPROCESSORS
■ DISTRIBUTED POWER