LTC2924
22
2924fc
For more information www.linear.com/LTC2924
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2005
LT 0216 REV C • PRINTED IN USA
relaTeD parTs
Typical applicaTion
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 MOSFET Controlled Power Supply Tracker Closed Loop (Feedback) Tracking for 3 Supplies
LTC2927 Single Power Supply Tracker For Point of Load or Distributed Applications
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
V
CC
HYS/CFG
TMR PGT
GND
2.5VV
IN
SHDN
3.3VV
IN
SHDN
1.2VV
IN
SHDN
SYSTEM
12V
SUPPLY
RESET_B
V
CC1
V
CC2
µC
V
CC1
V
CC2
FPGA
V
CC1
V
CC2
ASIC
V
CC
V
CC
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
2.94k1.5k
5.1V
ZENER
0.1µF
49.9k
150nF
150nF
