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date 06/08/2015 │ page 5 of 6CUI Inc │ SERIES: VSK-S10│ DESCRIPTION: AC-DC POWER SUPPLY
TYPICAL APPLICATION CIRCUIT
EMC RECOMMENDED CIRCUIT
Recommended External Circuit Components
MODEL C1
1
C2
1
TVS FUSE MOV NTC
VSK-S10-3R3UA 1μF/50V 220μF/10V SMBJ7.0A 2A/250V S14K300 10D-10
VSK-S10-5UA 1μF/50V 220μF/10V SMBJ7.0A 2A/250V S14K300 10D-10
VSK-S10-9UA 1μF/50V 120μF/25V SMBJ12A 2A/250V S14K300 10D-10
VSK-S10-12UA 1μF/50V 120μF/25V SMBJ20A 2A/250V S14K300 10D-10
VSK-S10-15UA 1μF/50V 120μF/25V SMBJ20A 2A/250V S14K300 10D-10
VSK-S10-24UA 1μF/50V 68μF/35V SMBJ30A 2A/250V S14k300 10D-10
+Vo
-Vo
AC (L)
AC (N)
C1
TVS
MOV
+
C2
RL
AC(L)
AC(N)
(N)
AC(L)
AC(N)
AC(L)
MOV
CX
CY1
CY2
AC/DC
FUSE
C1 TVS
+
C2
+Vo
-Vo
Recommended External Circuit Components
FUSE MOV CY1, CY2 CX LCM L1 R1 C1, C2, TVS
2A/250 Vdc slow fusing S14K300 1nF/400VAC 0.1μF/275VAC 2.2mH 4.7μH/2.0A 12Ω/3W seeTable1 seeTable1
Figure 1
Figure 2
Table 1
Table 2
Note: 1.OutputlteringcapacitorC1isaceramiccapacitorthatisusedtolterhighfrequencynoise.C2isanelectrolyticcapacitor.Itisrecommendedtousehighfrequencyand
lowimpedanceelectrolyticcapacitors.Forcapacitanceandcurrentofcapacitorpleaserefertothemanufacturer’sdatasheet.Voltagederatingofcapacitorshouldbe80%
or above.
Note: 1.AllspecicationsmeasuredatTa=25°C,humidity<75%,nominalinputvoltage,andratedoutputload,unlessotherwisespecied.
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