LTC6995-1_15 Datasheet, PDF (23/28 Pages) Linear Technology – TimerBlox Long Timer, Low Frequency Oscillator

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