Table of Contents
Advertisement
QQ
3 7 63 1515 0
— POWER SECTION —
TE
L 13942296513
www
.
http://www.xiaoyu163.com
IC1501, 1502
M5294P
16
15
REFERENCE
VOLTAGE
1
2
IC1701
FA7611M
CT
1
OSC
CS
2
30µA
DT2
3
IN (+)
4
+
–
IN (–)
5
FB2
6
GND
7
OUT2
8
x
ao
y
OFF
i
http://www.xiaoyu163.com
8
14
13
12
THERMAL
SHUT DOWN
–
CURRENT
LIMITER
R3
R4
CURRENT
LIMITER
–
3
4
Q Q
3
6 7
1 3
1.5V
–
1.5V
–
+
+
–
+
+
+
P.W.M
–
+
+
+
P.W.M
u163
.
— 109 —
2 9
9 4
2 8
11
10
9
ON/OFF
CONTROL
–
DELAY
CIRCUIT
DELAY
CIRCUIT
–
5
6
7
8
1 5
0 5
8
2 9
9 4
BIAS
U.V.L.O
V REF
16
2.5V
15
0.5V
ERROR
14
AMP
+
–
13
12
11
OFF
10
m
9
co
9 9
2 8
9 9
REF
DT1
IN (+)
IN (–)
FB1
OUT1
OUT1R
VCC
Advertisement
Table of Contents
