Ricoh RH5RH13B User Manual

Page 28

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24

RH5RH

V

IN

Inductor

Diode

Lx

OUT

Vss

V

OUT

+

Capacitor

EXT

CE

NC

Components Inductor (L)

: 120µH (Sumida Electric Co., Ltd.)

Diode (D)

: MA721 (Matsushita Electronics Corporation, Schottky Type)

Capacitor (C

L

)

: 22µF (Tantalum Type)

FIG. 3

V

IN

Inductor

Diode

Lx

OUT

Vss

V

OUT

+

Capacitor

Cb

Rb

Tr

EXT

CE

NC

Components Inductor (L)

: 28µH (Troidal Core)

Diode (D)

: HRP22 (Hitachi, Schottky Type)

Capacitor (C

L

)

: 100µF (Tantalum Type)

Transistor (Tr)

: 2SD1628G

Base Resistor (Rb)

: 300

Base Capacitor (Cb) : 0.01µF

FIG. 4

RH5RH

××

3B

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