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L6710

ST Microelectronics
Part Number L6710
Manufacturer ST Microelectronics
Description 6 BIT PROGRAMMABLE DUAL-PHASE CONTROLLER WITH DYNAMIC VID MANAGEMENT
Published Sep 27, 2005
Detailed Description L6710 6 BIT PROGRAMMABLE DUAL-PHASE CONTROLLER WITH DYNAMIC VID MANAGEMENT ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ 2 PHASE OPERATION...
Datasheet PDF File L6710 PDF File

L6710
L6710

Overview
L6710 6 BIT PROGRAMMABLE DUAL-PHASE CONTROLLER WITH DYNAMIC VID MANAGEMENT ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ 2 PHASE OPERATION WITH SYNCRHONOUS RECTIFIER CONTROL ULTRA FAST LOAD TRANSIENT RESPONSE INTEGRATED HIGH CURRENT GATE DRIVERS: UP TO 2A GATE CURRENT 6 BIT PROGRAMMABLE OUTPUT COMPLIANT WITH VRD 10 DYNAMIC VID MANAGEMENT 0.
5% OUTPUT VOLTAGE ACCURACY 10% ACTIVE CURRENT SHARING ACCURACY DIGITAL 2048 STEP SOFT-START OVERVOLTAGE PROTECTION OVERCURRENT PROTECTION REALIZED USING THE LOWER MOSFET'S RdsON OR A SENSE RESISTOR OSCILLATOR EXTERNALLY ADJUSTABLE AND INTERNALLY FIXED AT 150kHz POWER GOOD OUTPUT AND ENABLE FUNCTION INTEGRATED REMOTE SENSE BUFFER TQFP44 (10 x 10 x 1mm) Exposed Pad ORDERING NUMBERS:L6710 L6710TR (Tape & Reel) APPLICATIONS ■ POWER SUPPLY FOR HIGH CURRENT MICROPROCESSORS ■ POWER SUPPLY FOR SERVER AND WORKSTATION ■ DISTRIBUTED POWER SUPPLY PIN CONNECTION (top view) DESCRIPTION The device implements a two phase step-down controller with a 180 phase-shift between each phase with integrated high current drivers in a compact 10x10mm body package with exposed pad.
A precise 6-bit digital to analog converter (DAC) allows adjusting the output voltage from 0.
8375V to 1.
6000V with 12.
5mV binary steps managing Dynamic VID code changes.
The high precision internal reference assures the selected output voltage to be within 0.
5% over line and temperature variations.
The high peak current gate drive affords to have fast switching to the external power mos providing low switching losses.
The device assures a fast protection against load over current and load over/under voltage.
An internal crowbar is provided turning on the low side mosfet if an over-voltage is detected.
In case of over-current, the system works in Constant Current mode until UVP N.
C.
HGATE2 PHASE2 N.
C.
LGATE2 PGND LGATE1 VCCDR PHASE1 HGATE1 N.
C.
33 32 31 30 29 28 27 26 25 24 23 22 34 35 36 37 38 39 40 41 42 43 44 1 2 3 4 5 6 7 8 9 21 20 19 18 17 16 15 14 13 12 10 11 N.
C.
N.
C.
BOOT2 PGOOD VID5 V...


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