Datenblatt

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date
08/21/2012
page
1 of 4
SERIES: VMS-20 │ DESCRIPTION: AC-DC POWER SUPPLY
FEATURES
•
•
•
•
•
•
•
•
up to 21.6 W continuous power
compact size
universal input (90~264 Vac)
single output from 3.3~24 V
no load power < 0.3W
over voltage and short circuit protections
full medical safety approvals
efficiency up to 85%
RoHS
®
IEC
60601-1
EN
60601-1
output
voltage
output
current
output
power
ripple and
noise1
efficiency
(Vdc)
max
(A)
max
(W)
max
(mVp-p)
typ
(%)
3.3
4.0
13.2
50
75
VMS-20-5
5
4.0
20.0
50
80
VMS-20-9
9
2.3
20.7
90
81
VMS-20-12
12
1.7
20.4
100
83
VMS-20-15
15
1.4
21.0
100
84
VMS-20-24
24
0.9
21.6
100
85
MODEL
VMS-20-3.3
Notes:
1. Measured at 20MHz, with 0.1uF ceramic and 10uF electrolytic capacitors
PART NUMBER KEY
VMS-20 - XX
Base Number
Output Voltage
cui.com
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CUI Inc │ SERIES: VMS-20 │ DESCRIPTION: AC-DC POWER SUPPLY
date 08/21/2012
page 2 of 4
INPUT
parameter
conditions/description
min
voltage
90
frequency
47
typ
current
inrush current
at 230 Vac, cold start at 25 °C
max
units
264
Vac
63
Hz
0.5
A
40
A
max
units
±0.5
%
±1
%
OUTPUT
parameter
conditions/description
min
line regulation
low line to high line, full load
load regulation
10% to 100% full load
hold-up time
115 Vac
typ
switching frequency
10
ms
100
KHz
PROTECTIONS
parameter
conditions/description
min
over voltage protection
typ
115
short circuit protection
max
units
140
%
max
units
continuous
SAFETY & COMPLIANCE
parameter
conditions/description
min
isolation voltage
input to output
safety approvals
UL 60601-1, IEC 60601-1, EN 60601-1
EMI/EMC
EN 60601-1/EN 61204-3/EN 55022/CISPR Class B, EN 55024
typ
5,656
Vdc
leakage current
0.1
RoHS compliant
yes
MTBF
MIL-HDBK-217F, GB
400,000
mA
hrs
ENVIRONMENTAL
parameter
conditions/description
operating temperature
see derating curve
min
storage temperature
operating humidity
typ
max
-25
70
°C
-40
85
°C
93
%
non-condensing
DERATING CURVE
output power vs. ambient temperature
Load (%)
100
80
(Natural Convection)
60
40
20
-30
-20
0
10
20
30
40
50
Ambient Temperature (°C)
cui.com
units
60
70
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CUI Inc │ SERIES: VMS-20 │ DESCRIPTION: AC-DC POWER SUPPLY
date 08/21/2012
page 3 of 4
MECHANICAL
parameter
conditions/description
dimensions
2.382 x 1.598 x 0.803 (60.5 x 40.6 x 20.4 mm)
min
typ
max
inch
weight
50
cooling method
units
g
free air convection (see derating curve)
MECHANICAL DRAWING
units: mm[inch]
tolerance: mm: X.X = ±0.5 ; X.XX = ±0.25
inch: X.XX = ±0.02 ; X.XXX = ±0.01
60.5 2.38
54.00 2.126
-Vo
40.6 1.60
ACN
30.32 1.194
20.32 0.800
+Vo
10.32 0.406
3.06 0.120
Top View
Bottom View
20.40 0.803
MAX
17.00 0.669
2.00 0.079
MAX
1.80 0.071
1.00 0.039
ACL
3.40 0.134
3.80 0.150
Front View
cui.com
2.82 0.111
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CUI Inc │ SERIES: VMS-20 │ DESCRIPTION: AC-DC POWER SUPPLY
date 08/21/2012
page 4 of 4
REVISION HISTORY
rev.
description
date
1.0
initial release
10/26/2011
1.01
V-Infinity branding removed
08/21/2012
The revision history provided is for informational purposes only and is believed to be accurate.
Headquarters
20050 SW 112th Ave.
Tualatin, OR 97062
800.275.4899
Fax 503.612.2383
cui.com
[email protected]
CUI offers a two (2) year limited warranty. Complete warranty information is listed on our website.
CUI reserves the right to make changes to the product at any time without notice. Information provided by CUI is believed to be accurate and reliable. However, no responsibility is
assumed by CUI for its use, nor for any infringements of patents or other rights of third parties which may result from its use.
CUI products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical
component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to
affect its safety or effectiveness.