LTC2923

20

2923fa

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

© LINEAR TECHNOLOGY CORPORATION 2003

LT/TP 1104 1K REV A • PRINTED IN USA

RELATED PARTS

PART NUMBER

DESCRIPTION

COMMENTS

LTC1645

Dual Hot Swap

Operates from 1.2V to 12V, Allows Supply Sequencing

LTC2920

Power Supply Margining Controller

Single or Dual Versions, Symmetric as Symmetric High and Low Margining

LTC2921/LTC2922

Power Supply Tracker with Input Monitors

Includes 3 (LTC2921) or 5 (LTC2922) Remote Sense Switches

LTC2925

Multiple Power Supply Tracking Controller

Up to 4 Supplies, Status and Fault Pins, Slave Supply Shutdown, Remote

Sense Switch

LT

Dual Supply Hot Swap Controller

±2.7V to ±16.5V, Supply Tracking Mode

LTC4230

Triple Hot Swap Controller with Multifunction

1.7V to 16.5V, Active Inrush Limiting, Fast Comparator

Current Control

LTC4253

– 48V Hot Swap Controller and Supply Sequencer

Floating Supply from –15V, Active Current Limiting,

Enables Three DC/DC Converters

Hot Swap is a trademark of Linear Technology Corporation.

TYPICAL APPLICATIO S

Daisy-Chained Application

10nF

138k

3.3V

1.8V

SLAVE1

100k

ON

FB1

GATE

LTC2923

GND

2923 TA03

RAMP

1.5V

SLAVE2

RAMPBUF

TRACK1

TRACK2

FB2

DC/DC

IN

FB = 1.235V OUT

DC/DC

IN

FB = 0.8V

OUT

0.1µF

0.1µF

3.3V

3.3V

SLAVE1

ON

FB1

GATE

LTC2923

GND

RAMP

2.5V

SLAVE2

RAMPBUF

TRACK1

TRACK2

FB2

DC/DC

IN

FB = 1.235V OUT

DC/DC

IN

FB = 0.8V

OUT

High Voltage Supply Application

10nF

138k

3.3V

12V

SLAVE1

100k

ON

FB1

GATE

LTC2923

GND

2923 TA04

RAMP

5V

SLAVE2

RAMPBUF

TRACK1

TRACK2

FB2

DC/DC

IN

FB = 1.235V OUT

DC/DC

IN

FB = 0.8V

OUT

0.1µF