LTC2924 Linear Technology, LTC2924 Datasheet - Page 17

• Manufacturer Part Number: LTC2924
• Description: Quad Power Supply Sequencer
• Manufacturer: Linear Technology

TYPICAL APPLICATIO S
2V/DIV
1V/DIV
1V/DIV
MODULE
SENSE
5V
OUT
CONTROLLER
+
+
SYSTEM
REMOTE SENSE ENABLE
Power-On
DC/DC
SHDN
3.3V
25ms/DIV
D1: 1N5711
Q1, Q2: IRL3714S
2-Supply Sequencer with Delayed Sense Pin, One Channel Unused
10k
U
10k
2924 TA05b
0.1µF
Q2
150nF
Q1
5V
3.3V
DONE
ON
TMR
OUT4
OUT3
OUT2
OUT1
ON
FAULT
DONE
TMR
LTC2924
1M
D1
GND
HYS
PGT
V
IN4
IN3
IN2
IN1
CC
2V/DIV
1V/DIV
1V/DIV
49.9k
150nF
REMOTE SENSE DISABLE
RESISTANCE
PARASITIC
Power-Off
64.9k
9.83k
25ms/DIV
8.55k
33.2k
2924 TA05a
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V
5V
V
3.3V
OUT
OUT
V
V
V
V
LTC2924
ON
OFF
ON
OFF
2924 TA05c
≥ 4.64V
≥ 2.98V
≤ 4V
≤ 2.65V
5V
3.3V
ON
TMR
17
2924fa