Datasheet

LTC6995-1/LTC6995-2
23
699512fa
For more information www.linear.com/LTC6995-1
Typical applicaTions
Timed Power Switches, Auto Shutoff After One Hour
LTC6995-1
ACTIVE HIGH RESET
1/2 t
OUT
= 1 HOUR
RST
GND
SET
OUT
V
+
DIV
R
SET
169k
100k
R2
887k
R1
1M
0.1µF
5V
5V
PUSH TO ACTIVATE
LOW = ON
HIGH = OFF
699512 TA08
V
IN
GND
CTL
SENSE
GATE
STAT
LTC4412HV
P-CHANNEL
MOSFET
3V TO 36V
2.6V TO 5.5V
C
OUT
*
TO LOAD
CURRENT DEPENDS
ON PMOS SELECTION
*DRAIN-SOURCE DIODE OF MOSFET
0.1µF
IN
GND
CTL
OUT
STAT
LTC4411
TO LOAD
UP TO 2.6A
C
OUT
4.7µF
1µF
5 Second On/Off Timed Relay Driver
R1
1M
R4
10k
RUN
RESET
D1
1N4148
12V
NO
COTO 1022 RELAY
9001-12-01
L
C2
0.1µF
0.1µF
Q1
2N2219A
R2
392k
699512 TA02
R3
118k
5V
RELAY ENABLE
C
1
LTC6995-1
RST
GND
SET
OUT
V
+
DIV