29

LTC1735

1735fc

TYPICAL APPLICATIO S

Selectable Output Voltage Converter with Burst Mode Operation Disabled for CPU Power

20

19

18

17

16

15

14

13

12

11

1

2

3

4

5

6

7

8

9

10

NC

RUN/SS

FCB

SGND

PGOOD

NC

TG

BOOST

SW

BG

PGND

NC

LTC1735F

0.1

µF

0.22

µF

0.1

µF

4.7

Ω

47pF

47pF

330pF

33k

0.004

Ω

1.35V/1.60V

12A

1000pF

43pF

+

4.7

µF

1

µF

CER

+

470

µF

6.3V

×3

KEMET

L1: PANASONIC ETQP6F1R2HFA

M1

FDS6680A

M2

FDS6680A

×2

1735 TA05

22

µF

×2

CER

CMDSH-3

R2

10k

1%

R1

14.3k

1%

47pF

47pF

10k

MBRS340T3

4.5V TO 24V

L1

1.2

µH

OPTIONAL:

CONNECT TO 5V

NC

NC

NC

POWER GOOD

R3

33.2k

1%

SGND

VN2222

10

Ω

10

Ω

16

15

14

13

12

11

10

9

1

2

3

4

5

6

7

8

RUN/SS

FCB

SGND

TG

BOOST

SW

BG

PGND

LTC1735

0.1

µF

100pF

3.3k

1M

10k

6.2V

FMMT625

0.004

Ω

22

Ω

T1

4V TO 40V

6

7

10

3

47

Ω

R2

113k

1%

220

µF

16V

×4

12V

3A

R1

8.06k

1%

3300pF

47pF

150pF

+

4.7

µF

0.1

µF

T1: COILTRONICS VP5-0155

M1

IRL2910S

M2

Si4850EY

MBRS1100

1735 TA07

+

100

Ω

1nF

100V

1nF

100V

22

µF

50V

×2

CMDSH-3

4V to 40V Input to 12V Flyback Converter