Datasheet

13
LTC1153
“4 Cell-to-5V” Regulator with 2A Current Limit, Auto-Reset,
Ramped Turn-On and 10µA Standby Current
U
SA
O
PP
L
IC
AT
ITY
P
I
CA
L
12V Step-Up Regulator with Soft Start, Auto-Reset Circuit Breaker (Pre-Regulator),
Status Feedback and 10µA Standby Current
12V Step-Up Regulator with 1A Circuit Breaker (Post Regulator), Breaker Status
Feedback and Ramped Output
IN
C
T

STATUS
GND
V
S

DS
G
SD
LTC1153
0.47µF


LTC1153 • TA11

51k
ON/OFF
STATUS
1N4148

100k

100k

0.22µF

+
100µF
4-CELL
BATTERY
PACK
200pF

10k
8
LT1431

7
3
4
1
56
0.05Ω
IRLR024
5V/1A
+
470µF
ESR < 0.5Ω
+
IN
C
T

STATUS
GND
V
S

DS
G
SD
LTC1153
0.47µF
Z5U

5V
LTC1153 • TA12

51k
0.22µF

+
470µF
47µF
ON/OFF
STATUS
+
100k

1N4148

IRLZ24

1N4148

100k

100k

0.22µF

+
330µF
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

0.02Ω
IN
C
T

STATUS
GND
VS
DS
G
SD
LTC1153
0.47µF
Z5U

5V
LTC1153 • TA13

51k
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
16V
12V

+
150µF
(12V)
