LTC2924

20

2924fa

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417



LINEAR TECHNOLOGY CORPORATION 2005

LT/LT 1005 REV A • PRINTED IN USA

PART NUMBER

DESCRIPTION

COMMENTS

LTC2920-1/ LTC2920-2

Single/Dual Power Supply Margining Controller

Symmetric/Asymmetric High and Low Voltage Margining

LTC2921/LTC2922

Power Supply Tracker with Input Monitors

3 (LTC2921) or 5 (LTC2922) Remote Sense Switching

LTC2923

Power Supply Tracking Controller

Up to 3 Supplies

LTC2925

Multiple Power Supply Tracking Controller

Power Good Timer, Remote Sense Switch

LTC2926

Master Controlled Power Supply Tracker

Closed Loop (Feedback) Tracking for 3 Supplies

LTC2927

Single Power Supply Tracker

For Point of Load or Distributed Applications

TYPICAL APPLICATIO

RELATED PARTS

12V 3-Supply Sequencer with LTC2924 Power Supplied by a Zener Shunt Regulator

OUT4

IN4

OUT3

IN3

OUT2

IN2

OUT1

IN1

DONE

FAULT

LTC2924

ON

HYS/CFG

TMR

PGT

GND

2.5V

SHDN

3.3V

SHDN

1.2V

SHDN

SYSTEM

12V

SUPPLY

RESET_B

µC

FPGA

ASIC

2924 TA08

12V

1k

1.24k

ON

≥ 1.1V, OFF ≤ 1.09V

ON

≥ 3V, OFF ≤ 2.8V

ON

≥ 2.2V, OFF ≤ 2V

20k

5.11k

20k

7.68k

10k

10k

49.9k

2.94k

1.5k

5.1V

ZENER

BZX84C5V1

0.1

µF

49.9k

150nF

150nF