VSK-S15-5U-T Ver la hoja de datos (PDF) - CUI INC
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VSK-S15-5U-T Datasheet PDF : 5 Pages
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CUI Inc │ SERIES: VSK-S15-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-S15-3R3U-T
680
VSK-S15-5U-T
680
VSK-S15-9U-T
470
VSK-S15-12U-T
220
VSK-S15-15U-T
220
VSK-S15-24U-T
68
VSK-S15-48U-T
33
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.
TYPICAL EFFICIENCY CURVES
Vin = 230 Vac
95
90
85
80
75
70
65
60
55
50
10 20 30 40 50 60 70 80 90 100
Load (%)
VSK-S15-5U-T
VSK-S15-24U-T
PARALLEL LINES
Load = 100%
90
88
86
84
82
80
78
76
74
72
70
85
120
240
264
Input Voltage (Vac)
VSK-S15-5U-T
VSK-S15-24U-T
Fuse
L
N
3
+Vo
VSK
C1 C2
Copper sheet
Load
2
-Vo
25.4mm
C1: 10µF
25 .4mm
C2: 0.1µF
Connect
Oscillograph Probe
cui.com
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