
LTC2924
15
2924f
TYPICAL APPLICATIO S
2-Supply Sequencer with Delayed Sense Pin, One Channel Unused
OUT4
OUT3
OUT2
OUT1
ON
FAULT
DONE
TMR
V
CC
IN4
IN3
IN2
IN1
PGT
HYS
GND
LTC2924
DC/DC
3.3V
SHDN
Q2
10k
10k
150nF
0.1
μ
F
1M
PARASITIC
RESISTANCE
D1
Q1
SYSTEM
CONTROLLER
5V
SENSE
+
MODULE
OUT
+
V
3.3V
V
OUT
5V
V
ON
≥
4.64V
V
OFF
≤
4V
V
ON
≥
2.98V
V
OFF
≤
2.65V
49.9k
D1: 1N5711
Q1, Q2: IRL3714S
9.83k
64.9k
33.2k
8.55k
150nF
2924 TA01a
2V/DIV
25ms/DIV
2924 TA01b
5V
3.3V
ON
TMR
1V/DIV
1V/DIV
REMOTE SENSE ENABLE
2V/DIV
25ms/DIV
2924 TA01C
5V
3.3V
ON
TMR
1V/DIV
1V/DIV
REMOTE SENSE DISABLE
Power-On
Power-Off
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.