13

LTC1153

“4 Cell-to-5V” Regulator with 2A Current Limit, Auto-Reset,

Ramped Turn-On and 10

µA Standby Current

S

APPLICATI

TYPICAL

12V Step-Up Regulator with Soft Start, Auto-Reset Circuit Breaker (Pre-Regulator),

Status Feedback and 10

µA Standby Current

12V Step-Up Regulator with 1A Circuit Breaker (Post Regulator), Breaker Status

Feedback and Ramped Output

IN

STATUS

GND

DS

G

SD

LTC1153

0.47

µF

LTC1153 • TA11

51k

ON/OFF

STATUS

1N4148

100k

100k

0.22

µF

+

100

µF

4-CELL

BATTERY

PACK

200pF

10k

8

LT1431

7

3

4

1

5

6

0.05

Ω

IRLR024

5V/1A

+

470

µF

ESR < 0.5

Ω

+

IN

STATUS

GND

DS

G

SD

LTC1153

0.47

µF

Z5U

5V

LTC1153 • TA12

51k

0.22

µF

+

470

µF

47

µF

ON/OFF

STATUS

+

100k

1N4148

IRLZ24

1N4148

100k

100k

0.22

µF

+

330

µF

12V/1A

20

Ω

150

µF

+

FB

GND

LT1070

1k

1

µF

1

3

5

4

2

50

µH

10.72k

1%

1.24k

1%

1N5820

0.02

Ω

IN

STATUS

GND

VS

DS

G

SD

LTC1153

0.47

µF

Z5U

5V

LTC1153 • TA13

51k

0.1

µF

ON/OFF

STATUS

1N4148

100k

100k

0.22

µF

+

330

µF

0.1

Ω

+

FB

GND

LT1070

1k

1

µF

1

3

5

4

2

50

µH

10.72k

1%

1.24k

1%

1N5820

10k

1N4148

IRF530

12V/1A

47

µF

16V

12V

+

150

µF

(12V)