HBD-N590/N790W/N890W/N990W/N995W/T79
65
IC1151 BD80GA3WEFJ-E2
IC1801, 5302 BD00GC0WEFJ-SE2
5
7
8
2
1
3
VO
VO_S
GND
4
N.C.
VCC
N.C.
6
N.C.
EN
+
+
SOFT
START
OVER
CURRENT
PROTECT
THERMAL
SHUT
DOWN
5
7
8
2
1
3
VOUT
FB
GND
4
N.C.
VCC
N.C.
6
N.C.
EN
+
SOFT
TSD
OCP
IC5303 S-1170B33UC-OTSTFG
IC5902 S-T111B50MC-OHJTFG
IC5903 TC74VHC4052AFT (EK)
VOUT
VIN
5
ON/OFF
4
1
VSS 2
NC 3
+
–
OVERCURRENT
PROTECTION
THERMAL
SHUTDOWN
REFERENCE
VOLTAGE
ON/OFF
CONTROL
+
–
4
5
1
2
ON/OFF
VOUT
VIN
VSS
3
NC
OVER CURRENT
PROTECTOR
REFERENCE
VOLTAGE CIRCUIT
ON/OFF
CIRCUIT
0Y 1
Y-COM 3
A
10
B
9
3X
11
0X
12
X-COM
13
1X
14
2X
15
VCC
16
O/I
I/O
C
2Y 2
O/I
I/O
C
3Y 4
O/I
I/O
C
1Y 5
O/I
I/O
C
INH 6
GND 7
GND 8
I/O
O/I
C
I/O
O/I
C
I/O
O/I
C
I/O
O/I
C
