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STK740-471 Fiches technique(PDF) 4 Page - Sanyo Semicon Device

No de pièce STK740-471
Description  3.3V/5A Single Output Separate Excitation Chopper Regulator
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Fabricant  SANYO [Sanyo Semicon Device]
Site Internet  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

STK740-471 Fiches technique(HTML) 4 Page - Sanyo Semicon Device

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STK740-441
No.6106–4/10
Test Circuit
1
2
3
4
5
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9
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11
12
DC
INPUT
GND
OUTPUT
(3.3V)
ON/OFF
Vo adjust
L1
GND
C1
C2
FB
C1
: 220
µF/10V (OS capacitor)
C2
: 2200
µF/6.3V
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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