JVC XM-PX50WT Service Manual page 25

XC6367A251M-X(IC901):Regulator
1.Pin layout
5
1 2
3.Block diagram
VOUT
Vref with
CE
Soft Start,
GE
2.Pin function
4
3
Phase
Compensation
Error Amp.
+
-
PWM/PFM
Controller
Pin
Symbol Function
No.
1 VOUT Output voltage det.
2 VDD Power supply
3 CE Chip enable
4 GND GND
5 EXT Ext. Tr connect
PWM
Comparator
+
-
Ramp Wave
Generator,
OSC
XM-PX50WT
VDD
Buffer,
EXT
Driver
GND
1-25