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STK740-450 データシート(PDF) 4 Page - Sanyo Semicon Device

部品番号 STK740-450
部品情報  5V/5A Single Output Separate Excitation Chopper Regulator
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メーカー  SANYO [Sanyo Semicon Device]
ホームページ  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

STK740-450 データシート(HTML) 4 Page - Sanyo Semicon Device

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STK740-470
No.6107–4/10
Test Circuit
1
2
3
4
5
6
7
8
9
10
11
12
DC
INPUT
GND
OUTPUT
(5V)
ON/OFF
Vo adjust
L1
GND
C1
C2
FB
C1 : 47
µF/25V (OS capacitor)
C2 : 1000
µF/16V×2
L1 : 30
µH
FB : Ferrite-bead core
Overvoltage Protection Circuit
In a constant-voltage power supply circuit output voltage may generally exceed the stipulated rating (equivalent to input
voltage) when the circuit is broken down or the IC and the printed circuit board is wrongly soldered. Therefore overvoltage
protection circuit is recommended to use to minimize the damages caused by the overvoltage.
Sample the overvoltage protection circuit
DC
INPUT
GND
OUTPUT
GND
Regulator
FUSE
SCR
CR


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