SI9137LG datasheet(8/14 Pages) VISHAY

No. de pieza	SI9137LG

Descripción Electrónicos	Multi-Output, Sequence Selectable Power-Supply Controller for Mobile Applications

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Fabricante Electrónico	VISHAY [Vishay Siliconix]

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8 / 14 page

Si9137

Vishay Siliconix

www.vishay.com

8

Document Number: 70874

S-20642—Rev. B, 13-May-02

STANDARD APPLICATION CIRCUIT

V

FLYBACK +

R

5 ) R6

R

6

V

REF

BSTFY

DHFY

LXFY

DLFY

CSP

CSN

FBFY

DL5

LX5

DH5

BST5

VL

COMP

PGND

FB5

CS5

VIN

BST3

DH3

LX3

DL3

CS3

FB3

RESET

REF

GND

RUN/STOP

SEQ

VIN

C7

33

mF

C1

0.1

mF

Q1

Si4416DY

C6

330

mF

+3.3 VOUT

L2

10

mH

Q3

Si4812DY

R1

0.02

W

C11

1

mF

+3.3 V up

to 1 mA

CMPD2836

D1A

D1B

C2

0.1

mF

D3

CMPD2836

C8

0.1

mF

Q2

Si4416DY

Q4

Si4812DY

C4

33

mF

D2, BYS10-35

Q5

Si2304DS

L3, 10

mH

Q6

Si2304DS

R3

C10

100

mF

C9

4.7

mF

D4, BYS10-35

+5 to +12 V

L1, 10

mH

R2

0.02

W

C5

4.7

mF

+5 V up to 30 mA

C3

330

mF

+5 VOUT

FIGURE 1.

C12

120 pF

R5

R6

VFLYBACK

where:

0.2

W

GND*

PGND*

*PGND and GND planes should be connected to a single point ground.

VL

20 k

W

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