Sony HCD-EH25 - Page 32

HCD-EH25/EH26
32
– PT-VBUS Board –
IC901 PQ1CG2032FZ
1
VIN
2
VOUT
3
COM
4
OADJ
5
ON/OFF
ON/OFF
CIRCUIT
VOLTAGE
REGULATOR
SOFT START
R
Q
S
OVERCURRENT
DETECTION
CIRCUIT
OCSILLATION
OVERHEAT
DETECTION
CIRCUIT
+
–
–
+
PWM COMPARATOR
ERROR
AMP
VDD 2
GND 1
+
–
VREF
CD3
OUT
4
IC709 PST3542UL
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