RV5VH Datasheet, PDF (42/47 Pages) RICOH electronics devices division – DC/DC CONVERTER CONTROLLER

TYPICAL APPLICATION 1
Output DC/DC 1
RV5VH3××
R5
C5
R6
L1
SBD
R4
NPN Tr.
C1
C4
CSW
FB1
VDD
EXT1
DOUT
FB2
EXT2
GND
R3
R1
PMOS
L2
R2
C3
SBD
Output DC/DC 2
C2
CoiI
Diode
capacitor
PMOS
NMOS
Resistor
L1 : 100µH, L2 : 100µH
Schottky type
C1 : 22µF(Ta), C2 : 22µF(Ta)
C3 : 0.01µF (ceramic)
C4 : 0.01µF (ceramic)
C5 : 0.01µF (ceramic)
2SJ238 (TOSHIBA)
2SK1470 (SANYO)
R1 : 100kΩ , R2 : 0 to 500kΩ
R3 : 100kΩ
R4 : 300Ω
R5 : 0 to 500kΩ, R6 : 50kΩ
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