LTC7103 datasheet(3/48 Pages) AD

3 / 48 page

LTC7871

Rev. 0

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PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

VHIGH ..................................................... –0.3V to 100V

Current Sense Voltages

(SNSD+, SNSA+, SNS– Phase 1 to 6) ... –0.3V to 60V

(SNSA+ – SNS–) ................................. –0.3V to 0.3V

(SNSD+ – SNS–) ................................. –0.3V to 0.3V

EXTVCC .................................................... –0.3V to 60V

DRVCC ....................................................... –0.3V to 11V

RUN, OVHIGH, UVHIGH, OVLOW .................... –0.3V to 6V

V5 .............................................................. –0.3V to 6V

SCLK, SDI, SDO, CSB.................................. –0.3V to 6V

PWM1, PWM2, PWM3

PWM4, PWM5, PWM6, PWMEN ............. –0.3V to V5

ITHHIGH, ITHLOW, VFBHIGH, VFBLOW............ –0.3V to V5

FAULT, SETCUR, DRVSET, PGOOD.............. –0.3V to V5

IMON, ILIM, SS, BUCK, MODE.................... –0.3V to V5

FREQ, SYNC, CLKOUT................................. –0.3V to V5

Operating Junction Temperature Range

(Notes 2, 3)....................................... –40°C to 150°C

Storage Temperature Range ................. –65°C to 150°C

DRVCC/EXTVCC Peak Current...............................150mA

(Note 1)

VFBLOW

ITHLOW

SGND

ITHHIGH

VFBHIGH

IMON

SETCUR

OVHIGH

UVHIGH

OVLOW

SGND

VHIGH

DRVCC

SGND

DRVSET

EXTVCC

SCLK

SDI

SDO

CSB

PWM6

FAULT

PWM5

PWM4

TOP VIEW

LWE PACKAGE

64-LEAD (10mm × 10mm) PLASTIC LQFP

TJMAX = 150°C, θJA = 17°C/W

EXPOSED PAD (PIN 65) IS SGND, MUST BE SOLDERED TO PCB

SGND

ORDER INFORMATION

LEAD FREE FINISH

PART MARKING*

PACKAGE DESCRIPTION*

TEMPERATURE RANGE

LTC7871ELWE#PBF

LTC7871