XW-HTP550
43
5
6
7
8
5
6
7
8
C
D
F
A
B
E
7.2 IC
NJM2374AM (TX ASSY : IC8051)
• DC/DC Converter
NJM2374AM, LA4663
Pin Layout
Block Diagram
• The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.
List of IC
NJM2374AM
1.C
S
2.E
S
3.C
T
4.GND
5.IN
+
6.V
+
7.S
I
8.C
D
1
4
3
2
8
5
6
7
1
1.5A
MAX. ON
DUTY
9:1
OSC Section
4
3
2
8
5
6
7
V
+
E
S
GND
PW
LOGIC
M
R
S
Q
Vref
1.25V
±
2%
C
D
C
T
C
S
S
I
IN
+
Vth=300mV
Ipk Sense
PWM COMP
ERR.AMP
160
Ω