RS5RJ2429B 查看數據表（PDF） - RICOH Co.,Ltd.

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RS5RJ2429B

VFM STEP-UP DC/DC CONVERTER WITH VOLTAGE REGULATOR AND DETECTOR

RICOH Co.,Ltd. 

RS5RJ

TYPICAL APPLICATIONS

• Current Boost Circuit 1

L

D

VIN

Rb

NPN Tr

CIN

Cb

RS5RJ

EXT VDD

VOUT

CE Vss

Rbe Cbe

PNP Tr

CVDD

VOUT

COUT

Examples of

Components

L

D

CIN

CVDD

COUT

: 47µH(SUMIDA ELECTRIC CD105)

: Schottky Diode (HITACHI HRP22)

: 220µF(Aluminum electrolytic Type)

: 100µF(Tantalum type)/

220µF(Aluminum electroltic Type)

: 47µF(Tantalum Type)

• Current Boost Circuit 2 (High Efficiiency Circuit)

CD

:0.01µF

Cbe

:0.1µF(RS5RJ5045×, RS5RJ4036×, RS5RJ3624×)

100pF(RS5RJ3531×, RS5RJ3329×, RS5RJ3027×)

NPN Tr :2SD1628

PNP Tr :2SA1213

Rb

:220Ω

Rbe

:12Ω

L

D

VIN

PNP Tr

Rbe

VOUT

Rb1

NPN Tr

CIN

Cb

EXT VDD

RS5RJ

5045×

CE Vss

CVDD

Rb2

EXT

VDD

VOUT

CE

RN5RG

50A

GND

COUT

(NOTE) High efficiency current boost circuit,using RS5RJ5045× with

RN5RG50A(RICOH Voltage Regulator).

Examples of

Components

L

D

CIN

CVDD

COUT

: 47µH(SUMIDA ELECTRIC CD105)

: Schottky Diode (HITACHI HRP22)

: 33µF(Tantalum type)/

: 220µF(Aluminum electrolytic Type)

: 33µF(Tantalum type)/

220µF(Aluminum electroltic Type)

: 47µF(Tantalum Type)

CD

NPN Tr

PNP Tr

Rb1

Rb2

Rbe

: 0.01µF

: 2SD1628

: 2SA1213

: 220Ω

: 330Ω

: 10kΩ

28

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