Sony HAP-S1 - Page 79

HAP-S1
79
IC205, 401 PST8429UL
IC1001 TPS2553DBVR
IC701 TB62752AFUG (O, EL)
GND 1
VDD
2
+
–
VREF
OUT4
CD
3
OVD
2
VIN
3
SHDN
1
4SW
5GND
6FB
ERROR
AMP
CURRENT
LIMIT
PWM
CONTROL
SHUTDOWN
FUNCTION
OSC
(1.1MHz)
REFERENCE
OVER VOLTAGE
DETECTION
GND
2
EN
3
IN
1
4FAULT
5 ILLM
6OUT
CHARGE
PUMP
UNDERVOLTAGE
LOCKOUT
THERMAL
SENSE
CURRENT
LIMIT
4-ms
DEGLITCH
8-ms
DEGLITCH
CURRENT
SENSE
DRIVER
+
–
RREVERSE VOLTAGE
COMPARATOR
– DIGITAL IO Board –
IC4003 MM1839A33NRE
VOUT
4
CONT 1
GND
2
NC
3
VIN
5
+
–
VOLTAGE
REFERENCE
REGULATOR
CURRENT
LIMIT
THERMAL
SHUTDOWN
BIAS