Datasheet

LTC2924
16
2924fb
Typical applicaTions
Power-Up Sequence Power-Down Sequence
Series MOSFET Power Supply Sequencer
OUT1
OUT2
OUT3
OUT4
ON
DONE
FAULT
TMR
PGT
IN1
IN2
IN3
IN4
HYS/CFG
LTC2924
V
CC
GND
150nF
2924 TA02a
SYSTEM
CONTROLLER
150nF
0.1µF
0.1µF
0.1µF
0.1µF
11.8k
52.3k
0.1µF
Q4
Q3
Q2
Q1
45.3k 6.04k 1.62k
7.68k 1.69k
Q1-Q4: IRL3714S
ALL RESISTORS 1%
3.09k
V
ON
= 0.93V
V
OFF
= 0.91V
V
ON
= 2.79V
V
OFF
= 2.73V
V
ON
= 4.21V
V
OFF
= 3.76V
V
ON
= 3.32V
V
OFF
= 2.80V
49.9k
10k
5V
EARLY
10k
5V
3.3V
1V
2V/DIV
5V
3.3V
1V
DONE
ON
TMR
10V/DIV
2V/DIV
2V/DIV
25ms/DIV
2924 TA02b
2V/DIV
5V
3.3V
1V
DONE
ON
TMR
10V/DIV
2V/DIV
2V/DIV
25ms/DIV
2924 TA02c