LTC2924 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC2924' PDF : 22 Pages View PDF
LTC2924
Typical Applications
Shutdown Pin Power Supply Sequencer
POWER SUPPLY 1
3.3V
SHDN
POWER SUPPLY 2
5V
SHDN
POWER SUPPLY 3
1.6V
SHDN
5V EARLY*
POWER SUPPLY 4
2.5V
SHDN
0.1µF
10k 10k
SYSTEM
CONTROLLER
*5V EARLY MUST BE ON BEFORE
SEQUENCING SUPPLIES
150nF
150nF
VCC
OUT1
IN1
LTC2924
OUT2
IN2
OUT3
IN3
OUT4
IN4
ON
DONE
FAULT
TMR
HYS/CFG
PGT GND
VON ≥ 3.01V
VOFF ≤ 2.68V
VON ≥ 4.49V
VOFF ≤ 3.99V
VON ≥ 1.43V
VOFF ≤ 1.27V
VON ≥ 2.25V
VOFF ≤ 2V
24.9k 15.8k 49.9k 33.2k
9.31k 11.81k 7.87k 8.45k
49.9k
2924 TA03
Power On Sequence Timer Delay Longer
than Power Off Sequence Timer Delay
VCC
150nF
150nF
VCC
IN1
OUT1
IN2
OUT2
IN3
OUT3
LTC2924
IN4
OUT4
ON
PGT
TMR
FAULT
GND DONE
0.1µF
VCC
10k
2924 TA04
2N7002 POWER ON TIMER DELAY = 30ms
POWER OFF TIMER DELAY = 15ms
For more information www.linear.com/LTC2924
2924fc
17
Share Link: 
