over voltage, over temperature, and short circuit protections
full medical approvals
efficiency up to 78%
MODEL
VSKM-S5-3R3U
VSKM-S5-5U
VSKM-S5-9U
VSKM-S5-12U
VSKM-S5-15U
VSKM-S5-24U
output
voltage
(Vdc)
output
current
max
(mA)
N
U
output
power
max
(W)
N
TI
3.3
5
9
1250
550
4.125
5
5
1000
420
12
5
15
333
5
24
230
5.5
PART NUMBER KEY
IS
C
O
VSKM-S5 -
XXU
Base Number
Output Voltage
D
cui.com
ED
ripple
and noise
typ
(mVp-p)
FEATURES
efficiency
max
(%)
30
30
30
30
30
30
66
72
74
76
76
78
For more information, please visit the
product page.
CUI Inc
│
SERIES:
VSKM-S5│
DESCRIPTION:
MEDICAL AC-DC POWER SUPPLY
date
01/08/2014
│
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
conditions/description
min
85
110
47
110
70
10
20
typ
max
264
370
63
units
Vac
Vdc
Hz
mA
mA
A
A
parameter
line regulation
load regulation
voltage set accuracy
hold-up time
switching frequency
leakage current
conditions/description
at 10~100% load
3.3 V model
all other models
at 230 Vac
N
U
min
typ
±1
±3
±2
50
±0.5
100
min
typ
min
4,000
typ
300,000
cui.com
OUTPUT
N
TI
PROTECTIONS
parameter
over voltage protection
short circuit protection
over temperature protection
conditions/description
diode clamp
shutdown and auto restart
parameter
isolation voltage
safety approvals
safety class
conducted emissions
radiated emissions
ESD
radiated immunity
EFT/burst
surge
O
SAFETY & COMPLIANCE
conditions/description
for 1 minute
UL60601
Class II
D
IS
C
CISPR11/EN55011 Class A, Class B (external circuit required, see figure 2)
CISPR11/EN55011 Class A, Class B (external circuit required, see figure 2)
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
IEC/EN61000-4-11 Class B, 0%-70%
at 25°C, max. load
2011/65/EU
hours
conducted immunity
PFM
voltage dips & interruptions
MTBF
RoHS
ED
0.02
%/°C
max
units
%
%
%
%
ms
kHz
0.3
mA
max
units
150
°C
max
units
Vac
For more information, please visit the
product page.
CUI Inc
│
SERIES:
VSKM-S5│
DESCRIPTION:
MEDICAL AC-DC POWER SUPPLY
date
01/08/2014
│
page
3 of 6
ENVIRONMENTAL
parameter
operating temperature
storage temperature
case temperature
humidity
non-condensing
conditions/description
see derating curves
min
-25
-40
typ
max
70
105
95
95
units
°C
°C
°C
%
DERATING CURVES
load vs. ambient temperature
load vs. input voltage (Vac)
EFFICIENCY CURVES
90
85
80
75
70
65
60
55
50
Efficiency (%)
O
10
20
30
40 50 60 70
Load (%)
80 90 100
cui.com
IS
C
D
N
TI
N
U
VSKM-S5-5U @ 115 Vac
VSKM-S5-5U @ 230 Vac
VSKM-S5-12U @ 115 Vac
VSKM-S5-12U @ 230 Vac
VSKM-S5-24U @ 115 Vac
VSK-S5-24UA @ 230 Vac
ED
load vs. input voltage (Vdc)
For more information, please visit the
product page.
CUI Inc
│
SERIES:
VSKM-S5│
DESCRIPTION:
MEDICAL AC-DC POWER SUPPLY
date
01/08/2014
│
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
35
min
typ
max
units
mm
MECHANICAL DRAWING
units: mm [inch]
tolerance: ±0.50 [±0.020]
pin section tolerance: ±0.10 [±0.004]
N
TI
O
cui.com
N
U
PIN CONNECTIONS
PIN
1
2
3
4
FUNCTION
AC(L)
AC(N)
+Vo
-Vo
D
IS
C
ED
g
For more information, please visit the
product page.
CUI Inc
│
SERIES:
VSKM-S5│
DESCRIPTION:
MEDICAL AC-DC POWER SUPPLY
date
01/08/2014
│
page
5 of 6
TYPICAL APPLICATION CIRCUIT
FUSE NTC
L
Figure 1
Table 1
+
MOV
N
-Vo
N
RL
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
N
TI
L
CY3
LCM CX
R3
CY4
L
FUSE
R2
CY1
M OV
N
U
FUSE
MOV
R1, R2
R3
Recommended External Circuit Components
1 A/250 V
561KD14
2Ω/3W winding resistor
1MΩ/2W
1000pF/400Vac
0.22μF/275Vac
10mH-30mH
Y capacitor, 102K/400V
Figure 2
R1
N
CY2
ACDC
OUT PUT
N
CY1, CY2,
CY3, CY4
CX
LCM
CY
IS
C
TEST CONFIGURATION
O
L
FUSE
Connect Oscillograph Probe
Copper sheet
C1
C2
+Vo
C1
C2
Figure 3
Load
D
N
-Vo
12.7mm
25.4mm
25.4mm
Note:
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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devices drivers\usb host\USB Host Controllers
core os\core os services\usb host support\USB Storage Class Driver
core os\file system an ......
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