STK740-420 데이터 시트보기 (PDF) - SANYO -> Panasonic
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STK740-420 Datasheet PDF : 10 Pages
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Block Diagram
STK740-441
12
VIN
11
VCC 6
TR1
Drive circuit
Reference voltage
GND 5
SUB
Low-voltage
malfunction
prevention circuit
PWM
Oscillator
D1
Snubber circuit
Error amplifier
Phase
compensation
On/off circuit
Soft start circuit
Short protection circuit
10
OUT
9
8
7A
2 VS
3 VADJ
4 FB
1 ON/OFF
Pin Descriptions
Number
1
2
3
4
5
6
7, 8
9, 10
11, 12
Pin name
ON/OFF
VS
VADJ
FB
GND
VCC
A
OUT
VIN
Description
Remote on/off switching
Output voltage sensing
Output voltage fine adjustment
Feedback (error amplifier output), phase compensation
Ground
Power supply for control block
Flywheel diode anode
Output
Input supply voltage
No.6106–3/10
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