Datasheet

LTC1154
14
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12V Step-Up Regulator with Ultralow Standby Current,
Overcurrent Protection and Status Feedback
12V Step-Up Regulator with 1A Overcurrent Protection,
Switch Status Feedback and Ramped Output
TYPICAL APPLICATIONS
IN
EN
STATUS
GND
V
S
DS
G
SD
LTC1154
5V
LTC1154 • TA11
51k
0.22μF
+
470μF
47μF
ON/OFF
STATUS
+
10k 1N4148
IRLZ24
1N4148
100k 100k
0.1μF
12V/1A
20Ω
150μF
+
V
IN
V
SW
FB
GND
V
C
LT1070
1k
1μF
13
5
4
2
50μH
10.72k
1%
1.24k
1%
1N5820
+
330μF
0.02Ω
IN
EN
STATUS
GND
V
S
DS
G
SD
LTC1154
5V
LTC1154 • TA12
0.1μF
ON/OFF
STATUS
1N4148
100k 100k
0.22μF
+
330μF
0.1Ω
+
V
IN
V
SW
FB
GND
V
C
LT1070
1k
1μF
13
5
4
2
50μH
10.72k
1%
1.24k
1%
1N5820
10k
1N4148
IRF530
12V/1A
47μF
12V
+
150μF
51k