RH5RH301A Datasheet, PDF (25/29 Pages) RICOH electronics devices division – PWM STEP-UP DC/DC CONVERTER

RH5RH
• RH5RH××3B
Inductor
NC
VIN
Diode
Lx
OUT
EXT
CE Vss
VOUT
+
Capacitor
Components Inductor (L)
Diode (D)
Capacitor (CL)
: 120µH (Sumida Electric Co., Ltd.)
: MA721 (Matsushita Electronics Corporation, Schottky Type)
: 22µF (Tantalum Type)
FIG. 3
Inductor
Diode
NC Lx
Cb
OUT
EXT
VOUT
CE Vss
+
VIN
Rb
Tr
Capacitor
Components Inductor (L)
: 28µH (Troidal Core)
Diode (D)
: HRP22 (Hitachi, Schottky Type)
Capacitor (CL)
: 100µF (Tantalum Type)
Transistor (Tr)
: 2SD1628G
Base Resistor (Rb) : 300Ω
Base Capacitor (Cb) : 0.01µF
FIG. 4
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