LTC1645CS View Datasheet(PDF) - Linear Technology

Part Name

Description

Manufacturer

LTC1645CS

Dual-Channel Hot Swap Controller/Power Sequencer

Linear Technology 

LTC1645

TYPICAL APPLICATIO

Dual Supply Hot Swap with Tracking Outputs

BOTH CURRENT LIMITS: 5A

VIN1

3.3V

0.01Ω*

VIN2

2.5V

Q1

1/2 Si4920DY

Q2

10Ω

0.01Ω* 1/2 Si4920DY

D1

1N4002

D2

1N4002

10k

10Ω

TRIP

POINT:

3V

4.99k

1%

1.82k

1%

1.18k

1%

1.37k

1%

14 13

12

12

3

VCC1 SENSE1 GATE1 VCC2 SENSE2 GATE2

10

ON

COMP+ 8

LTC1645

9

COMPOUT

4

FAULT

TIMER

(14-LEAD)

6

FB

5

RESET

GND

11

7

0.33µF

0.1µF

25V

1.18k

1%

1.37k

1%

+

D3

MBR0530T1

+

VOUT1

3.3V

2.5A

CLOAD1

VOUT2

2.5V

2.5A

CLOAD2

10k

µP RESET

*WSL1206-01-1% (VISHAY DALE)

1645 F15

RELATED PARTS

PART NUMBER

LTC1421

LTC1422

LT1640L/LT1640H

LT1641

LTC1642

LTC1643L/LTC1643L-1/

LTC1643H

LTC1647

DESCRIPTION

Hot Swap Controller

Hot Swap Controller

Negative Voltage Hot Swap Controllers

Positive Voltage Hot Swap Controller

Fault Protected Hot Swap Controller

PCI-Bus Hot Swap Controllers

Dual Hot Swap Controller

24 Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408)432-1900q FAX:(408)434-0507 q www.linear-tech.com

COMMENTS

Dual Supplies from 3V to 12V, Additionally – 12V

Single Supply Hot Swap in SO-8 from 3V to 12V

Negative High Voltage Supplies from –10V to – 80V

Positive High Voltage Supplies From 9V to 80V

3V to 15V, Overvoltage Protection Up to 33V

3.3V, 5V, 12V, –12V Supplies for PCI Bus

Dual ON Pins for Supplies from 3V to 15V

1645f LT/TP 0400 4K • PRINTED IN USA

© LINEAR TECHNOLOGY CORPORATION 1999

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