VSK-S25-T Ver la hoja de datos (PDF) - CUI INC
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VSK-S25-T Datasheet PDF : 5 Pages
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CUI Inc │ SERIES: VSK-S25-T │ DESCRIPTION: AC-DC POWER SUPPLY
date 09/06/2012 │ page 4 of 5
TYPICAL APPLICATION CIRCUIT
FUSE NTC
L
N
L +Vo
N
-Vo
C1 C2 TVS1 RL
EXTERNAL CAPACITORS
TYPICAL VALUE (Unit: µF)
MODEL
C1
VSK-S25-5U-T
330
VSK-S25-9U-T
330
VSK-S25-12U-T
330
VSK-S25-15U-T
330
VSK-S25-24U-T
120
VSK-S25-48U-T
68
EMC Filter (see note 3)
FUSE NTC
L
L
C7
NF
C9
MOV
C8
N
N
LOA D
Notes:
1. Output filtering capacitors C1, C2 and C3 are electrolytic capacitors, It is recommended to use high frequency and low impedance electrolytic capacitors. For
capacitance and current of capacitor please refer to manufacture’s datasheet. Voltage derating of capacitor should be 80% or above. TVS is recommended component
to protect post-circuits (if converter fails).
2. 0.1 μF is recommended for C1.
3. If a higher requirement to EMC performance is required it is recommended to add and ”EMC filter” at the input end, recommended parameter are as follows:
MOV: Varistor is used to protect the device under surge.
C7,C8:Y capacitor, recommended parameter 2200pF/400V;
C9:X capacitor, recommended parameter 0.1μF/275V;
NF: common model choke, recommended inductance is about 10mH-30mH.
PARALLEL LINES
Fuse
L
N
3
+Vo
VSK
C1 C2
Copper Sheet
Load
2
-Vo
2 5.4mm
C1: 10µF
2 5 .4 m m
C2: 0.1µF
Connect
Oscillograph Probe
TRIM APPLICATION AND CALCULATION
cui.com
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