LTC3890-3 datasheet(2/40 Pages) LINER

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LTC3890-3

38903f

For more information www.linear.com/3890-3

absoluTe MaxiMuM raTings

(Note 1)

orDer inForMaTion

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3890EGN-3#PBF

LTC3890EGN-3#TRPBF

LTC3890GN-3

28-Lead Plastic SSOP

–40°C to 125°C

LTC3890IGN-3#PBF

LTC3890IGN-3#TRPBF

LTC3890GN-3

28-Lead Plastic SSOP

–40°C to 125°C

LTC3890HGN-3#PBF

LTC3890HGN-3#TRPBF

LTC3890GN-3

28-Lead Plastic SSOP

–40°C to 150°C

LTC3890MPGN-3#PBF

LTC3890MPGN-3#TRPBF

LTC3890GN-3

28-Lead Plastic SSOP

–55°C to 150°C

Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.

Consult LTC Marketing for information on non-standard lead based finish parts.

For more information on lead free part marking, go to: http://www.linear.com/leadfree/

For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/

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

Topside Driver Voltages

BOOST1, BOOST2 ..................................–0.3V to 71V

Switch Voltage (SW1, SW2) ......................... –5V to 65V

(BOOST1-SW1), (BOOST2-SW2) ................ –0.3V to 6V

RUN1, RUN2 ............................................... –0.3V to 8V

Maximum Current Sourced into Pin

from Source >8V...................................................100µA

SENSE1+, SENSE2+, SENSE1–

SENSE2– Voltages ..................................... –0.3V to 28V

PLLIN/MODE, INTVCC Voltage ..................... –0.3V to 6V

FREQ Voltage ........................................–0.3V to INTVCC

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

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

PGOOD1 Voltage ......................................... –0.3V to 6V

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

Operating Junction Temperature Range (Notes 2, 3)

LTC3890E-3, LTC3890I-3 .................. –40°C to 125°C

LTC3890H-3 ...................................... –40°C to 150°C

LTC3890MP-3.................................... –55°C to 150°C

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

TOP VIEW

GN PACKAGE

28-LEAD PLASTIC SSOP

ITH1

VFB1

SENSE1+

SENSE1–

FREQ

PLLIN/MODE

SGND

RUN1

RUN2

SENSE2–

SENSE2+

VFB2

ITH2

TRACK/SS2

TRACK/SS1

PGOOD1

TG1

SW1

BOOST1

BG1

VIN

PGND

EXTVCC

INTVCC

BG2

BOOST2

SW2

TG2

TJMAX = 150°C, θJA = 80°C/W

pin conFiguraTion

LTC3890-3 数据表(PDF) 2 Page - Linear Technology

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