LTC4261 datasheet(3/74 Pages) AD

3 / 74 page

LTC4283

Rev. B

For more information www.analog.com

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

Supply Voltage:

VIN ...................................................... –0.3V to 12.5V

INTVCC.................................................. –0.3V to 5.5V

Input Voltages

VZ (Note 3)............................................. –0.3V to 16V

DRAIN (Note 4)..................................... –0.3V to 3.2V

EN# (Note 5)............................................ –0.3V to 6V

UVL, UVH .............................................. –0.3V to 16V

ADIN1-4, ADR0, ADR1, DRNS, OV, RTNS,

SCL, SDAI, SENSE+, SENSE–,

VOUTTH, WP.........................–0.3V to INTVCC + 0.3V

Output Voltages

GATE, PGIO1-4 ............................ –0.3V to VIN + 0.3V

VREF..................................................... –0.3V to 4.5V

ADIO1-4, RAMP, TMR............–0.3V to INTVCC + 0.3V

ALERT#, SDAO...................................... –0.3V to 5.5V

Input Currents:

VZ ......................................................................50mA

DRAIN...............................................................1.5mA

EN#......................................................................5mA

Operating Ambient Temperature Range

LTC4283C................................................ 0°C to 70°C

LTC4283I .............................................–40°C to 85°C

LTC4283H.......................................... –40°C to 125°C

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

(Notes 1 and 2)

13 14 15 16

TOP VIEW

VEE

UHF PACKAGE

38-LEAD (5mm × 7mm) PLASTIC QFN

TJMAX = 150°C, θJA = 34°C/W, θJC = 2°C/W

EXPOSED PAD (PIN 39) IS VEE, CONNECTION OPTIONAL

17 18 19

38 37 36 35 34 33 32

EN#

UVL

UVH

VREF

VOUTTH

ADIN1

ADIN2

ADIN3

ADIN4

VEE

SENSE–

SDAI

SDAO

ALERT#

VEE

PGIO4

PGIO3

PGIO2

PGIO1

ADIO4

ADIO3

ADIO2

ADIO1

ORDER INFORMATION

TUBE

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC4283CUHF#PBF

LTC4283CUHF#TRPBF

4283

38-Lead (5mm × 7mm) Plastic QFN

0°C to 70°C

LTC4283IUHF#PBF

LTC4283IUHF#TRPBF

4283

38-Lead (5mm × 7mm) Plastic QFN

–40°C to 85°C

LTC4283HUHF#PBF

LTC4283HUHF#TRPBF

4283

38-Lead (5mm × 7mm) Plastic QFN

–40°C to 125°C

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

Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.

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