LTC4261 datasheet(3/82 Pages) AD

3 / 82 page

LTC4284

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

MODE .......................................... –0.3V to VIN + 0.3V

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

ADC+ , ADC–, ADIN1-4, ADR0, ADR1,

DRNS, OV, RTNS, SCL, SDAI, SENSE1+,

SENSE1– , SENSE2+, SENSE2–,

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

Output Voltages

GATE1, GATE2, 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

LTC4284C................................................ 0°C to 70°C

LTC4284I .............................................–40°C to 85°C

LTC4284H.......................................... –40°C to 125°C

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

(Notes 1 and 2)

TOP VIEW

UHG PACKAGE

44-LEAD (5mm × 8mm) PLASTIC QFN

TJMAX = 150°C, θJA = 36°C/W

EXPOSED PAD (PIN 45) IS VEE, CONNECTION OPTIONAL

44 43 42 41 40 39 38 37

15 16 17 18 19 20 21 22

EN#

UVL

UVH

VREF

VOUTTH

ADIN1

ADIN2

ADIN3

ADIN4

VEE

SENSE2–

ADC–

SENSE1–

SDAI

SDAO

ALERT#

VEE

PGIO4

PGIO3

PGIO2

PGIO1

ADIO4

ADIO3

ADIO2

ADIO1

TMR

RAMP

VEE

ORDER INFORMATION

TUBE

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC4284CUHG#PBF

LTC4284CUHG#TRPBF

4284

44-Lead (5mm × 8mm) Plastic QFN

0°C to 70°C

LTC4284IUHG#PBF

LTC4284IUHG#TRPBF

4284

44-Lead (5mm × 8mm) Plastic QFN

–40°C to 85°C

LTC4284HUHG#PBF

LTC4284HUHG#TRPBF

4284

44-Lead (5mm × 8mm) 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.

LTC4261 Datasheet(PDF) 3 Page - Analog Devices

LTC4261 Datasheet(HTML) 3 Page - Analog Devices

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 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82

Datasheet Download

Link URL