LTC3891 datasheet(2/38 Pages) LINER

2 / 38 page

LTC3892/

LTC3892-1/LTC3892-2

38921fc

For more information www.linear.com/LTC3892

ABSOLUTE MAXIMUM RATINGS

Input Supply Voltage (VIN)......................... –0.3V to 65V

Top Side Driver Voltages

(BOOST1, BOOST2) ............................... –0.3V to 76V

Switch Voltage (SW1, SW2).......................... –5V to 70V

DRVCC, (BOOST1-SW1),

(BOOST2-SW2).......................................–0.3V to 11V

BG1, BG2, TG1, TG2........................................... (Note 8)

RUN1, RUN2 Voltages................................ –0.3V to 65V

SENSE1+, SENSE2+, SENSE1–

SENSE2– Voltages ................................. –0.3V to 65V

PLLIN/MODE, FREQ Voltages ...................... –0.3V to 6V

EXTVCC Voltage ......................................... –0.3V to 14V

ITH1, ITH2, VFB1, VFB2 Voltages ..................... –0.3V to 6V

DRVSET, DRVUV Voltages ........................... –0.3V to 6V

(Notes 1, 3)

PIN CONFIGURATION

TRACK/SS1, TRACK/SS2 Voltages .............. –0.3V to 6V

PGOOD1, PGOOD2 Voltages

(LTC3892/LTC3892-2) ............................. –0.3V to 6V

VPRG1, ILIM Voltages

(LTC3892/LTC3892-2) ............................. –0.3V to 6V

Operating Junction Temperature Range (Note 2)

LTC3892E, LTC3892I,

LTC3892E-1, LTC3892I-1,

LTC3892E-2, LTC3892I-2................... –40°C to 125°C

LTC3892H,

LTC3892H-1, LTC3892H-2 ................. –40°C to 150°C

LTC3892MP, LTC3892MP-1,

LTC3892MP-2.................................... –55°C to 150°C

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

LTC3892/LTC3892-2

LTC3892-1

GND

31 30 29 28 27 26 25

9 10 11 12

TOP VIEW

UH PACKAGE

32-LEAD (5mm

× 5mm) PLASTIC QFN

13 14 15 16

FREQ

PLLIN/MODE

PGOOD1

PGOOD2

INTVCC

RUN1

RUN2

ILIM

BOOST1

BG1

VIN

EXTVCC

DRVCC

BG2

BOOST2

SW2

TJMAX = 150°C, θJA = 44°C/W

EXPOSED PAD (PIN 33) IS GND, MUST BE CONNECTED TO GND

TOP VIEW

FE PACKAGE

28-LEAD PLASTIC TSSOP

ITH1

VFB1

SENSE1+

SENSE1–

FREQ

PLLIN/MODE

INTVCC

RUN1

RUN2

SENSE2–

SENSE2+

VFB2

ITH2

DRVUV

TRACK/SS1

TG1

SW1

BOOST1

BG1

VIN

EXTVCC

DRVCC

BG2

BOOST2

SW2

TG2

TRACK/SS2

DRVSET

GND

TJMAX = 150°C, θJA = 30°C/W

EXPOSED PAD (PIN 29) IS GND, MUST BE CONNECTED TO GND

LTC3891 Datasheet(PDF) 2 Page - Linear Technology

LTC3891 Datasheet(HTML) 2 Page - Linear Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38

Datasheet Download

Link URL