Casio QT-6100 Service Manual page 91

30. XC62EP1502MR (IC42)
CE/CE EXT
4
5
1 2 3
VSS VIN VOUT
31. XC6365A363MR (IC2)
V
OUT
CE
(FB)
5 4
1 2 3
EXT/ V GND
DD
PIN ASSIGNMENT
PIN NUMBER
1
2
3
4
5
V
OUT
Error Amp
Vref whth
PWM/PFM
CE
Soft Start,
CE
— 89 —
PIN
FUNCTION
NAME
VSS Ground
VIN
Supply voltage input
VOUT Regulated voltage output
EXT Base current control
CE/CE
Chip enable
Phase
Compensation
PWM
Controler
Buffer,
Drive
Ramp Wave
Generatpr,
Controler
OSC
V
DD
EXT /
GND