VSKM-S5 Datasheet - MEDICAL AC

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date
01/08/2014
page
1 of 6
SERIES: VSKM-S5 │ DESCRIPTION: MEDICAL AC-DC POWER SUPPLY
up to 5.5 W continuous output
compact board mount design
universal input (85~264 Vac/110~370 Vdc)
single regulated output from 3.3~24 V
over voltage, over temperature, and short circuit protections
full medical approvals
efficiency up to 78%
VSKM-S5-3R3U
output
voltage
output
current
output
power
ripple
and noise
efficiency
(Vdc)
max
(mA)
max
(W)
typ
(mVp-p)
max
(%)
1250
4.125
30
66
1000
5
30
72
550
5
30
74
3.3
VSKM-S5-5U
5
VSKM-S5-9U
9
5
30
76
15
12
333
420
5
30
76
24
230
5.5
30
78
N
VSKM-S5-12U
TI
MODEL
N
U
•
•
•
•
•
•
•
ED
FEATURES
VSKM-S5-15U
O
VSKM-S5-24U
VSKM-S5 - XXU
Base Number
Output Voltage
D
IS
C
PART NUMBER KEY
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CUI Inc │ SERIES: VSKM-S5│ DESCRIPTION: MEDICAL AC-DC POWER SUPPLY
date 01/08/2014 │ page 2 of 6
INPUT
conditions/description
min
voltage
frequency
current
at 110 Vac
at 230 Vac
inrush current
at 110 Vac
at 230 Vac
input fuse
recommended external 1 A/250 V, slow-blow type
max
units
85
110
264
370
Vac
Vdc
47
63
Hz
temperature coefficient
parameter
conditions/description
min
voltage set accuracy
3.3 V model
all other models
hold-up time
at 230 Vac
switching frequency
leakage current
PROTECTIONS
TI
at 10~100% load
conditions/description
over voltage protection
diode clamp
short circuit protection
shutdown and auto restart
parameter
isolation voltage
safety approvals
10
20
A
A
0.02
%/°C
typ
conditions/description
min
for 1 minute
max
units
±0.5
%
±1
%
±3
±2
%
%
50
ms
100
kHz
typ
typ
4,000
0.3
mA
max
units
150
°C
max
units
Vac
UL60601
Class II
IS
C
safety class
min
O
SAFETY & COMPLIANCE
mA
mA
N
parameter
over temperature protection
N
line regulation
load regulation
110
70
U
OUTPUT
typ
ED
parameter
conducted emissions
CISPR11/EN55011 Class A, Class B (external circuit required, see figure 2)
radiated emissions
CISPR11/EN55011 Class A, Class B (external circuit required, see figure 2)
ESD
IEC/EN61000-4-2 Class B, contact ±6 kV / air ±8 kV
radiated immunity
IEC/EN61000-4-3 Class A, 10V/m
EFT/burst
surge
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
PFM
IEC/EN61000-4-8 Class A, 10 A/m
voltage dips & interruptions
IEC/EN61000-4-11 Class B, 0%-70%
MTBF
at 25°C, max. load
RoHS
2011/65/EU
D
conducted immunity
300,000
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hours
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CUI Inc │ SERIES: VSKM-S5│ DESCRIPTION: MEDICAL AC-DC POWER SUPPLY
date 01/08/2014 │ page 3 of 6
ENVIRONMENTAL
parameter
conditions/description
min
max
units
operating temperature
see derating curves
-25
70
°C
-40
105
°C
ED
storage temperature
case temperature
humidity
non-condensing
DERATING CURVES
load vs. input voltage (Vac)
95
°C
95
%
load vs. input voltage (Vdc)
TI
N
U
load vs. ambient temperature
typ
EFFICIENCY CURVES
N
90
80
O
75
70
VSKM-S5-5U @ 115 Vac
VSKM-S5-5U @ 230 Vac
VSKM-S5-12U @ 115 Vac
65
VSKM-S5-12U @ 230 Vac
60
VSKM-S5-24U @ 115 Vac
IS
C
Efficiency (%)
85
55
VSK-S5-24UA @ 230 Vac
50
20
30
40 50 60 70
80 90 100
Load (%)
D
10
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CUI Inc │ SERIES: VSKM-S5│ DESCRIPTION: MEDICAL AC-DC POWER SUPPLY
date 01/08/2014 │ page 4 of 6
MECHANICAL
conditions/description
50.8 x 25.4 x 15.16 (2.00 x 1.00 x 0.597 inch)
min
material
UL94V-0
typ
max
units
mm
ED
parameter
dimensions
weight
35
MECHANICAL DRAWING
D
IS
C
O
N
TI
N
U
units: mm [inch]
tolerance: ±0.50 [±0.020]
pin section tolerance: ±0.10 [±0.004]
g
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PIN CONNECTIONS
PIN
FUNCTION
1
AC(L)
2
AC(N)
3
+Vo
4
-Vo
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CUI Inc │ SERIES: VSKM-S5│ DESCRIPTION: MEDICAL AC-DC POWER SUPPLY
date 01/08/2014 │ page 5 of 6
TYPICAL APPLICATION CIRCUIT
Table 1
L
L
C1
+Vo
C2
Recommended External Circuit
Components
+
Figure 1
MODEL
RL
MOV
-Vo
N
C21
(μF)
FUSE
NTC
VSKM-S5-3R3U
1
47
1 A/250 V
5D-9
VSKM-S5-5U
1
47
1 A/250 V
5D-9
VSKM-S5-9U
1
33
1 A/250 V
5D-9
VSKM-S5-12U
1
33
1 A/250 V
5D-9
VSKM-S5-15U
1
33
1 A/250 V
5D-9
VSK-S5-24UA
1
10
1 A/250 V
5D-9
U
N
C11
(μF)
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.
N
Note:
ED
FUSE NTC
L
FUSE
TI
EMC RECOMMENDED CIRCUIT
Recommended External Circuit Components
R2
L
CY1
M OV
LCM CX
CY2
R1
CY3
R3
ACDC
CY4
N
Figure 2
OUT PUT
N
O
N
Table 2
FUSE
1 A/250 V
MOV
561KD14
R1, R2
2Ω/3W winding resistor
R3
1MΩ/2W
CY1, CY2,
CY3, CY4
1000pF/400Vac
CX
0.22μF/275Vac
LCM
10mH-30mH
CY
Y capacitor, 102K/400V
IS
C
TEST CONFIGURATION
L
FUSE
+Vo
D
Figure 3
N
Note:
Connect Oscillograph Probe
Copper sheet
C1
C2
12.7mm
25.4mm
25.4mm
Table 3
Capacitors
C1
1μF ceramic capacitor
C2
10μF electrolytic capacitor
Load
-Vo
1. All specifications measured at Ta=25°C, humidity <75%, 220 Vac input voltage, and rated output load, unless otherwise specified.
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CUI Inc │ SERIES: VSKM-S5│ DESCRIPTION: MEDICAL AC-DC POWER SUPPLY
date 01/08/2014 │ page 6 of 6
REVISION HISTORY
description
date
01/16/2012
1.0
initial release
1.01
added leakage current to Safety & Compliance
1.02
picture updated
1.03
updated input data
1.04
updated spec
ED
rev.
06/20/2012
09/06/2012
11/13/2012
01/08/2014
D
IS
C
O
N
TI
N
U
The revision history provided is for informational purposes only and is believed to be accurate.
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