• over voltage, over temperature, and short circuit protections
• UL/cUL safety approvals
• efficiency up to 83%
MODEL
VSK-S5-3R3UA
VSK-S5-5UA
VSK-S5-9UA
VSK-S5-12UA
VSK-S5-15UA
VSK-S5-24UA
Notes:
output
voltage
(Vdc)
output
current
max
(mA)
output
power
max
(W)
ripple
and noise
1
max
(mVp-p)
efficiency
max
(%)
3.3
5
9
12
15
24
1250
1000
550
420
333
230
4.125
5
5
5
5
5.5
120
120
100
100
100
100
74
78
78
80
82
83
1. Ripple and noise are measured at 20 MHz BW by “parallel cable” method with 1 μF ceramic and 10 μF electrolytic capacitors on the output.
PART NUMBER KEY
VSK-S5 -
XXUA
Base Number
Output Voltage
cui.com
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│
SERIES:
VSK-S5│
DESCRIPTION:
AC-DC POWER SUPPLY
date
06/05/2015
│
page
2 of 6
INPUT
parameter
voltage
frequency
current
inrush current
input fuse
temperature coefficient
at 110 Vac
at 230 Vac
at 110 Vac
at 230 Vac
recommended external 1 A/250 V, slow-blow type
±0.02
%/°C
conditions/description
min
85
110
47
110
70
10
20
typ
max
264
370
63
units
Vac
Vdc
Hz
mA
mA
A
A
OUTPUT
parameter
conditions/description
3.3 Vdc model
5 Vdc model
9 Vdc model
12 Vdc model
15 Vdc model
24 Vdc model
±0.5
at 10~100% load
3.3 Vdc model
all other models
at 110 Vac
at 230 Vac
±1
±3
±2
12
80
140
min
typ
max
4000
4000
1000
820
820
330
units
μF
μF
μF
μF
μF
μF
%
%
%
%
ms
ms
kHz
capcitive load
1
line regulation
load regulation
voltage set accuracy
hold-up time
switching frequency
Notes:
1. Test without external circuit
PROTECTIONS
parameter
over voltage protection
over current protection
short circuit protection
conditions/description
shutdown
auto recovery
hiccup, auto recovery
110
%
min
typ
max
units
SAFETY & COMPLIANCE
parameter
isolation voltage
safety approvals
safety class
conducted emissions
radiated emissions
ESD
radiated immunity
EFT/burst
surge
conducted immunity
PFM
conditions/description
for 1 minute
UL60950-1
Class II
CISPR22/EN55022, Class B
CISPR22/EN55022, Class B
IEC/EN61000-4-2 Class B, contact ±6 kV / air ±8 kV
IEC/EN61000-4-3 Class A, 10V/m
IEC/EN61000-4-4 Class B, ±2 kV
IEC/EN61000-4-4 Class B, ±4 kV (external circuit required, see figure 2)
IEC/EN61000-4-5 Class B, ±1 kV / ±2 kV
IEC/EN61000-4-5 Class B, ±2 kV / ±4 kV (external circuit required, see figure 2)
IEC/EN61000-4-6 Class A, 10 Vr.m.s
IEC/EN61000-4-8 Class A, 10 A/m
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min
4,000
typ
max
units
Vac
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│
SERIES:
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DESCRIPTION:
AC-DC POWER SUPPLY
date
06/05/2015
│
page
3 of 6
SAFETY & COMPLIANCE (CONTINUED)
parameter
voltage dips & interruptions
MTBF
RoHS
conditions/description
IEC/EN61000-4-11 Class B, 0%-70%
as per MIL-HDBK-217F, at 25 °C
2011/65/EU
300,000
hours
min
typ
max
units
ENVIRONMENTAL
parameter
operating temperature
storage temperature
storage humidity
non-condensing
conditions/description
see derating curves
min
-25
-25
typ
max
70
105
95
units
°C
°C
%
DERATING CURVES
load vs. ambient temperature
100
80
70
60
50
40
20
100
80
load vs. input voltage (Vac)
100
80
60
50
40
20
load vs. input voltage (Vdc)
~
~
Safe operating area
140
~
~
Load (%)
~
~
Load (%)
60
50
40
20
Safe operating area
~
~
~
~
Load (%)
-25
-10
0
55
70
85
110
240
264
100
~
~
340
370
Ambient Temperature (°C)
Input Voltage (Vac)
Input Voltage (Vdc)
EFFICIENCY CURVES
90
85
80
Efficiency Vs Input Voltage (Full Load)
VSK-S5-24UA
VSK-S5-12UA
90
85
80
Efficiency Vs Output (Vin=230Vac)
VSK-S5-24UA
VSK-S5-12UA
VSK-S5-5UA
E ic ie nc y(%)
E ic ie nc y(%)
VSK-S5-5UA
75
70
65
60
55
50
85
110
75
70
65
60
55
50
Input Voltage (VAC)
180
230
264
10
20
30
40
50
60
70
80
90
100
Output Power Percentage (%)
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│
SERIES:
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DESCRIPTION:
AC-DC POWER SUPPLY
date
06/05/2015
│
page
4 of 6
MECHANICAL
parameter
dimensions
material
weight
conditions/description
50.8 x 25.4 x 15.16 (2.00 x 1.00 x 0.597 inch)
UL94V-0
31
g
min
typ
max
units
mm
MECHANICAL DRAWING
units: mm [inch]
tolerance: ±0.50 [±0.020]
pin section tolerance: ±0.10 [±0.004]
6.00 [0.236]
PIN
1
2
3
4
FUNCTION
AC(N)
AC(L)
+Vo
-Vo
Grid Size: 2.54 x 2.54mm
Front View
∅1.00[0.039]
∅1.50
[0.059]
2
25.40 [1.000]
20.32 [0.800]
10.16 [0.400]
1
3
4
4
2
1
3
45.72 [1.800]
50.80 [2.000]
Top View
PCB LAYOUT
Bottom View
cui.com
15.16[0.597]
PIN CONNECTIONS
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CUI Inc
│
SERIES:
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DESCRIPTION:
AC-DC POWER SUPPLY
date
06/05/2015
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page
5 of 6
TYPICAL APPLICATION CIRCUIT
Figure 1
MODEL
VSK-S5-3R3UA
RL
Table 1
Recommended External Circuit Components
C1
1
(μF)
1
1
1
1
1
1
C2
1
(μF)
220
220
100
100
100
47
FUSE
1 A/250 V
1 A/250 V
1 A/250 V
1 A/250 V
1 A/250 V
1 A/250 V
NTC
12D-5
12D-5
12D-5
12D-5
12D-5
12D-5
MOV
S14K350
S14K350
S14K350
S14K350
S14K350
S14K350
FU SE
NTC
A C ( L)
+Vo
AC ( L)
C1
C2
+
M OV
VSK-S5-5UA
VSK-S5-9UA
VSK-S5-12UA
VSK-S5-15UA
VSK-S5-24UA
AC ( N )
-V
o
A C ( N)
Note:
1. Output filtering capacitor C1 is a ceramic capacitor that is used to filter high frequency noise. C2 is an electrolytic capacitor. It is recommended to use high frequency and
low impedance electrolytic capacitors. For capacitance and current of capacitor please refer to the manufacturer’s datasheet. Voltage derating of capacitor should be 80%
or above.
EMC RECOMMENDED CIRCUIT
Figure 2
FUS E
A C ( L)
C Y1
MOV
CX
C Y2
L1
LCM
N TC
A C (L)
+Vo
Table 2
Recommended External Circuit Components
C1
C2
RL
FUSE
MOV
CY1, CY2
CX
LCM
L1
C1, C2
1A/250V, slow fusing,
necessary
S14K350
1nF/400VAC
0.1μF/275VAC
2.2mH
4.7μH/2.0A
see Table 1
+
A C DC
-Vo
A C (N)
A C (N)
Note:
1. All specifications measured at Ta=25°C, humidity <75%, nominal input voltage, and rated output load, unless otherwise specified.
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