LTC1646

20

1646fa

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

©LINEAR TECHNOLOGY CORPORATION 2000

LT 1205 REV A • PRINTED IN USA

RELATED PARTS

PART NUMBER

DESCRIPTION

COMMENTS

LTC1421

Hot Swap Controller

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

LTC1422

Hot Swap Controller

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

LT1640AL/LT1640AH

Negative Voltage Hot Swap Controllers in SO-8

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

LT1641/LT1641-1

Positive Voltage Hot Swap Controller in SO-8

Supplies from 9V to 80V, Autoretry/Latches Off

LTC1642

Fault Protected Hot Swap Controller

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

LTC1643L/LTC1643L-1/LTC1643H

PCI Bus Hot Swap Controllers

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

LTC1644

CompactPCI Hot Swap Controller

3.3V, 5V,

±12V Local Reset Logic and Precharge

LTC1645

2-Channel Hot Swap Controller

Operates from 1.2V to 12V, Power Sequencing

LTC1647

Dual Hot Swap Controller

Dual ON Pins for Supplies from 3V to 15V

LTC4211

Hot Swap Controller with Multifunction Current Control

Single Supply, 2.5V to 16.5V, MSOP

Figure 15. Recommended Layout for Power MOSFET, Sense Resistor, and Gate Components

LTC1646*

CURRENT FLOW

TO SOURCE

*ADDITIONAL DETAILS OMITTED FOR CLARITY

DRAWING IS NOT TO SCALE!

1646 F15

TRACK WIDTH W:

0.03" PER AMPERE

ON 1 OZ Cu FOIL

D

D

D

D

G

S

S

S

CURRENT FLOW

TO LOAD

CURRENT FLOW

TO LOAD

SENSE

RESISTOR

SO-8

VIA TO GND

GND

GND

5V

5V

VIA

R3

R5

C1

W

W

W

TYPICAL APPLICATIO