Typical applications – Ricoh RH5RH13B User Manual
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RH5RH
TYPICAL APPLICATIONS
V
IN
Inductor
Diode
Lx
OUT
Vss
V
OUT
+
Capacitor
Components Inductor (L)
: 120µH (Sumida Electric Co., Ltd.)
Diode (D)
: MA721 (Matsushita Electronics Corporation, Schottky Type)
Capacitor (C
L
)
: 22µF (Tantalum Type)
FIG. 1
V
IN
Inductor
Diode
OUT
Vss
V
OUT
+
Capacitor
Cb
Rb
Tr
EXT
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
Ω
Base Capacitor (Cb) : 0.01µF
FIG. 2
• RH5RH
××
2B
• RH5RH
××
1A