Ricoh RV5VH Power Supply User Manual


 
33
BLOCK DIAGRAM
+
+
CSW
FB1
V
DD
EXT1
D
OUT
FB2
EXT2
GND
Vref
Error Amp.1
Error Amp.2
1
2
3
4
8
7
6
5
VFM2
VFM1 OSC
p_shift
+
DC/DC CONVERTER CONTROLLER
(BOOST / INVERTING OUTPUT FOR LCD)
RV5VH3××
PIN CONFIGURATION
1
2
3
4
8
7
6
5
• 8 pin SSOP (0.65mm pitch)