Sharp GX20 Service Manual page 155

Digital mobile phone
Hide thumbs Also See for GX20:
Table of Contents

Advertisement

VIN
FB
6
3
COMPARATOR
95mV
A1
V
REF
Rc
1.25V
Cc
RAMP
GENERATOR
SHUTDOWN
1.2MHz
OSCILLATOR
4
SHDN
VCC
5
1
A
SW
1
DRIVER
R
Q
A2
Q1
S
0.2 ohms
2 5
GND
Y
4
2
3
B
GND

Advertisement

Table of Contents
loading

Table of Contents