LT8471 Ver la hoja de datos (PDF) - Linear Technology

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Fabricante

LT8471

Dual Multitopology DC/DC Converters with 2A Switches and Synchronization

Linear Technology 

LT8471

Absolute Maximum Ratings

(Note 1)

VIN1, VIN2 Voltages...................................... –0.3V to 50V

C1, C2 Voltages........................................... –0.4V to 50V

E1, E2 Voltages............................................ –60V to 50V

VC1 to VE1 and VC2 to VE2 Voltages............. –0.4V to 60V

VIN1 to VE1 and VIN2 to VE2 Voltages

Low Side Configurations (Note 6)........... –0.4V to 40V

High Side Configurations (Note 6).......... –0.4V to 60V

VIN1 to VC1 and VIN2 to VC2 Voltages

High Side Configurations (Note 6).......... –0.4V to 40V

C3 Voltage.................................................. –0.4V to 50V

RT Voltage.................................................... –0.3V to 5V

SYNC Voltage............................................. –0.3V to 5.5V

SS1, SS2.................................................... –0.3V to 2.5V

FB1, FB2 Voltages...................................... –2.5V to 2.5V

PG1, PG2 Voltages...................................... –0.3V to 50V

OV/UV Voltage.............................................. –0.3V to 5V

SHOUT Voltage .......................................... –0.3V to 50V

Operating Junction Temperature Range

LT8471E (Notes 2, 5).......................... –40°C to 125°C

LT8471I (Notes 2, 5)........................... –40°C to 125°C

LT8471H (Notes 2, 5).......................... –40°C to 150°C

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

Lead Temperature (Soldering, 10 sec)

FE Package........................................................ 300°C

Pin Configuration

TOP VIEW

C1 1

20 C2

E1 2

19 E2

VIN1 3

18 VIN2

PG1 4

17 PG2

FB1 5

21

GND

16 FB2

OV/UV 6

15 SS2

RT 7

14 SHOUT

SS1 8

13 C3

SYNC 9

12 GND

GND 10

11 GND

FE PACKAGE

20-LEAD PLASTIC TSSOP

θJA = 38°C/W

EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB

Order Information

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT8471EFE#PBF

LT8471EFE#TRPBF

LT8471FE

20-Lead Plastic TSSOP

–40°C to 125°C

LT8471IFE#PBF

LT8471IFE#TRPBF

LT8471FE

20-Lead Plastic TSSOP

–40°C to 125°C

LT8471HFE#PBF

LT8471HFE#TRPBF

LT8471FE

20-Lead Plastic TSSOP

–40°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 nonstandard 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/

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For more information www.linear.com/8471

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