Datasheet

LTC2924
17
2924fb
Typical applicaTions
Shutdown Pin Power Supply Sequencer
Power On Sequence Timer Delay Longer
than Power Off Sequence Timer Delay
OUT1
OUT2
OUT3
OUT4
ON
DONE
FAULT
TMR
PGT
IN1
IN2
IN3
IN4
HYS/CFG
V
CC
GND
LTC2924
150nF
2924 TA03
SYSTEM
CONTROLLER
150nF
POWER SUPPLY 4
POWER SUPPLY 3
POWER SUPPLY 2
POWER SUPPLY 1
V
ON
≥ 3.01V
V
OFF
≤ 2.68V
V
ON
≥ 4.49V
V
OFF
≤ 3.99V
V
ON
≥ 1.43V
V
OFF
≤ 1.27V
V
ON
≥ 2.25V
V
OFF
≤ 2V
33.2k
9.31k
24.9k
0.1µF
15.8k 49.9k
11.81k 7.87k 8.45k
49.9k
2.5V
SHDN
1.6V
SHDN
5V
SHDN
3.3V
SHDN
10k
5V EARLY*
10k
*5V EARLY MUST BE ON BEFORE
SEQUENCING SUPPLIES
IN1
IN2
IN3
IN4
ON
TMR
OUT1
OUT2
OUT3
OUT4
PGT
FAULT
DONE
V
CC
V
CC
GND
LTC2924
150nF
0.1µF
150nF
2924 TA04
2N7002 POWER ON TIMER DELAY = 30ms
POWER OFF TIMER DELAY = 15ms
V
CC
10k