RV5VH 查看數據表（PDF） - RICOH Co.,Ltd.

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RV5VH

DC/DC CONVERTER CONTROLLER

RICOH Co.,Ltd. 

RV5VH1××/RV5VH2××

TYPICAL APPLICATION

• RV5VH1××

Output DC/DC1

C1

CSW

DOUT

VSEN

FB

VOUT1

EXT2

D1

LX1

L1

GND

R3

R1

PMOS

L2

R2

C3

D2

Output DC/DC2

C2

<Components>

CoiIs

Diodes

Capacitors

Tr

Resistors

L1 : 100µH, L2 : 220µH

Schottky type

C1, C2 : 22µF(tantalum type), C3 : 0.01µF(ceramic type)

PMOS : 2SJ238

R1, R2 : several hundreds kΩ, R3 : 100kΩ

• RV5VH2××

Output DC/DC1

C1

L1

SBD

C4

NPN Tr.

R4

CSW

VSEN

VOUT1

EXT1

DOUT

FB

EXT2

GND

R3

R1

PMOS

L2

R2

C3

SBD

Output DC/DC2

C2

<Components>

Coils

Diodes

Capacitors

PMOS

NPN Tr.

Resistors

L1 : 27µH, L2 : 220µH

Schottky type

C1 : 47µF(tantalum type), C2 : 22µF(tantalum type)

C3 : 0.01µF(ceramic type)

C4 : 0.01µF(ceramic type)

2SJ238(TOSHIBA), etc.

2SD1628G(SANYO), etc.

R1 : 100KΩ

R2 : 0-500KΩ

R3 : 100KΩ

R4 : 300Ω

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