T5n/T4n/T3n
21
INPUT
OUTPUT
GND
– +
– +
1
2
3
4
8
7
6
5
Output A
Non-Inverting
Input A
Ground
+DC Voltage
Supply
Output B
Inverting
Input B
Non-Inverting
Input B
Inverting
Input A
•
NJM4558M (TE2)
(X5804A00)
Operational Amplifier
•
NJM431U (TE1)
(X6770A00)
Variable Shunt Regulator
•
NJM7815FA
(XD853A00)
Reg15V
Reference
Regulator
UVLO
Lockout
OSC
Flip
Flop
PWM
Latch
NOR
NOR
Error
Amp
1
INV. INPUT
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
N.I. INPUT
SYNC
OSC. OUTPUT
C
T
R
T
DISCHARGE
SOFT-START
V
REF
+V
IN
OUTPUT B
V
C
GROUND
OUTPUT A
SHUTDOWN
COMPENSATION
15
+V
IN
12
16
4
3
6
5
9
1
2
13
11
14
GROUND
SYNC
R
T
C
T
COMPENSATION
INV. INPUT
N.I. INPUT
V
C
OUTPUT A
OUTPUT B
8
SOFT-START
10
SHUTDOWN
7
DISCHARGE
V
REF
OSC
OUT
To Internal
circuitry
V
REF
3 k
5 k
COM
S
S
R
50
∝
A
• UC3525AN
(X5952A00)
Switching Regulator
1
2
3
4
8
7
6
5
A OUTPUT
V-
A -INPUT
A
- +
B
+ -
A +INPUT
V+
B +INPUT
B OUTPUT
B -INPUT
•
µ
PC4570G2-E1-A
(X7351A00)
Dual Operational Amplifier
CATHOD
REFERENCE
ANODE
(A)
CATHODE
(K)
REFERENCE (R)
ANODE
COMMON
OUTPUT
INPUT
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2
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Q
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TEL 13942296513 QQ 376315150 892498299
