80
AVD-S50/S50ES
IC901 STR-G7421 (POWER Board)
IC902 STR-F6238S (POWER Board) (US, CND Model)
IC902 STR-F6270D (POWER Board) (AEP, UK Model)
IC904 SI-8050JF (POWER Board)
IC910 SI-8033S (POWER Board)
IC912 M51945BL (POWER Board)
o.s.c
DRIVE
LATCH
T.S.D
REG
START
3
4
5
2
1
VCC
GND
S
D
OCB/FB
COMP2
COMP1
5
4
3
2
1
OSC
START
REGULATOR
DRIVE
REGULATOR
THERMAL
SHUT DOWN
LATCH
OVER
VOLTAGE
PROTECTOR
OVER
CURRENT
PROTECTOR
OVER LOAD
PROTECTOR
D
GND
F.B
VIN
O.C.P
INH1
INH2
DRIVE
CURRENT
MIRROR
FEED BACK
OVER
CURRENT
PROTECTOR
LATCH
&
DRIVER
OVER HEAT
PROTECTOR
REGULATOR
+
–
+
–
RESET
VREF
COMPARATOR
ERROR AMP
OSC
1
VIN
2
SW OUT
3
GND
4
VOS
5
S.S
OVER
CURRENT
PROTECTOR
LATCH
&
DRIVER
OVER HEAT
PROTECTOR
REGULATOR
ON/OFF
SOFT
START
+
–
+
–
RESET
VREF
COMPARATOR
ERROR AMP
OSC
1
VIN
2
SW OUT
3
GND
4
VOS
5
ON/OFF
+
–
3
SUPPLY
VOLTAGE
INPUT
NC
GND
1.25V
1
2
4
OUTPUT
5
Summary of Contents for AVD-S50
Page 7: ...7 AVD S50 S50ES AVD S50 AVD S50ES ...
Page 8: ...8 AVD S50 S50ES ...
Page 9: ...9 AVD S50 S50ES ...
Page 112: ...112 AVD S50 S50ES MEMO ...
Page 120: ...8 8 AVD S50 S50ES MEMO ...