Linear Technology LTC2924 Quad Supply Sequencer DC818A DC818A Hoja De Datos
Los códigos de productos
DC818A
LTC2924
22
2924fb
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 0212 REV B • 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
2.5V
V
IN
SHDN
3.3V
V
IN
SHDN
1.2V
V
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
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
0.1µF
49.9k
150nF
150nF