Datenblatt

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date
03/29/2013
page
1 of 5
SERIES: VF-D250-DXXA │ DESCRIPTION: AC-DC POWER SUPPLY
FEATURES
•
•
•
•
•
•
•
•
•
•
up to 250 W continuous power w/ 16 CFM forced air
600 W peak power within 500 µs duty duration
passive power correction
dual outputs
power good signal
remote on/off control
3,000 Vac isolation voltage
over load, over voltage, over temperature, and short circuit protections
UL/cUL, and TUV 60950-1 safety approvals
efficiency up to 70%
RoHS
MODEL
output
voltage
output
current
(Vdc)
max
(A)
max w/
airflow2
(A)
VF-D250-D312A
3.3
12
12
7
VF-D250-D324A
3.3
24
VF-D250-D512A
output
power1
ripple and
noise 3,4
efficiency
max
(mVp-p)
typ
(%)
max
(W)
max w/
airflow2
(W)
24
12
100
200
50
120
70%
12
4
24
6
100
200
50
240
70%
5
12
12
7
24
12
100
200
50
120
70%
VF-D250-D524A
5
24
12
4
24
6
100
200
50
240
70%
VF-D250-D548A
5
48
12
2
24
3
100
200
50
480
70%
VF-D250-D1224A
12
24
7
4
12
6
135
250
120
240
70%
Notes:
1.
2.
3.
4.
Maximum total combined power
With external 16 CFM fan
10% minimum load is required to maintain the ripple and regulation.
Ripple and noise is measured from 10 KHz to 20 MHz at output terminals with a 0.1 μF ceramic capacitor and a 22 μF electrolytic capacitor in parallel.
PART NUMBER KEY
VF - D250 - DXX A - X X
Base Number
Low leakage option:
“blank” = standard specification
L = low leakage (contact factory)
Output Voltage
Input/Output connector:
“blank” = Terminal block input / Terminal block output
1 = Molex input / Molex output
2 = Molex input / Terminal block output
3 = Terminal block input / Molex output
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CUI Inc │ SERIES: VF-D250-DXXA │ DESCRIPTION: AC-DC POWER SUPPLY
date 03/29/2013 │ page 2 of 5
INPUT
parameter
conditions/description
voltage
90-132/180-264 auto selectable
min
frequency
max
units
90/180
typ
132/264
Vac
47
63
Hz
6
3
A
A
35
70
A
A
current
at 110~120 Vac, cold start
at 200~240 Vac, cold start
inrush current
at 115 Vac, full load, cold start
at 230 Vac, full load, cold start
power factor
compliant to EN 61000-3-2 class A
remote on/off
designated as RMSW on the CN1, requires a low signal to inhibit output, hiccup mode
OUTPUT
parameter
conditions/description
min
line regulation
low line to high line
±5
%
load regulation
all other outputs
±5
%
0.25
mV/°C
temperature coefficient
typ
transient response
Output voltage returns to within 1% in less than 2.5 ms for a 50% load change.
Peak transient does not exceed 5%.
start-up time
at 120 Vac
rise time
hold-up time
0.2
at 120 Vac and 80% of rated maximim load
max
units
1
s
20
ms
20
ms
adjustability
±5
power good
Designated as PG on the CN1.
This signal goes high 100-500 mS after the output reaches regulation.
It goes low at least 1 mS before loss of regulation.
fan drive
12 Vdc / 400 mA for external fan
%
PROTECTIONS
parameter
conditions/description
over voltage protection
AC input needs to be reset to restart the power supply
over current protection
automatically recovers
short circuit protection
short circuit can be continuous, recovers automatically upon removal of short
over temperature protection
auto recovery
110
130
%
140
%
85
°C
max
units
SAFETY & COMPLIANCE
parameter
conditions/description
min
isolation voltage
applied for 3 seconds at 10 mA max.
primary to secondary
primary to transformer core
primary to earth chassis
safety approvals
UL 60950-1, CSA C22.2 No. 60950-1, TUV EN 60950-1 and CB
EMI/EMC
CISPR 22/EN 55022 class B, EN 61000-3-2, 3,
EN 61000-4-2, 3, 4, 5, 6, 8, 11, EN 55024 CE marked (LVD)
leakage current
at 240 Vac
at 120 Vac
RoHS compliant
yes
MTBF
according to MIL-HDBK-217 at 30 ºC
typ
3,000
1,500
1,500
Vac
Vac
Vac
500
300
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100,000
μA
μA
hrs
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CUI Inc │ SERIES: VF-D250-DXXA │ DESCRIPTION: AC-DC POWER SUPPLY
date 03/29/2013 │ page 3 of 5
ENVIRONMENTAL
parameter
conditions/description
min
operating temperature
non-condensing
storage humidity
vibration
max
units
50
°C
-20
85
°C
5%
90%
%
5%
95%
%
5
50
Hz
0
storage temperature
operating humidity
typ
acceleration ± 7.35 M/(SxS), on X, Y and Z Axis
DERATING CURVES
Load (%)
100
≈
output power vs. ambient temperature
80
60
50
40
-25
≈
20
0
10
20
30
40
50
60
70
Ambient Temperature (°C)
MECHANICAL
parameter
conditions/description
dimensions
5(L) x 3.2(W) x 1.5(H)
min
typ
max
units
inches
weight
450
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g
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CUI Inc │ SERIES: VF-D250-DXXA │ DESCRIPTION: AC-DC POWER SUPPLY
date 03/29/2013 │ page 4 of 5
MECHANICAL DRAWING
CN1
1
ground
2
ac neutral
3
ac line
CN3
1
Power Good
2
remote switch
3
RTN
OUTPUT
INPUT
CN2
1
Vo2
2
RTN
3
RTN
4
RTN
5
RTN
6
Vo1
7
Vo1
8
Vo1
Notes:
1. CN1 mates with molex part no. 09-91-0500 or equivalent and molex 2478, 2578, 8818 crimp pins.
2. CN2 mates with molex part no. 09-91-0800 and molex 2478, 2578, 8818 crimp pins.
3. CN3 mates with JST part no. XHP-3 or equivalent (CHYAO SHIUNN JS-2001-03) and JST SXH-002T-P0.6 mating pins
4. Fan drive connector mates with JST part no. XHP-2 or equivalent (CHYAO SHIUNN JS-2001-02).
5. Mounting hole max depth 2.30mm
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CUI Inc │ SERIES: VF-D250-DXXA │ DESCRIPTION: AC-DC POWER SUPPLY
date 03/29/2013 │ page 5 of 5
REVISION HISTORY
rev.
description
date
1.0
initial release
05/05/2009
1.01
new template applied
12/17/2011
1.02
V-Infinity branding removed
08/28/2012
1.03
updated spec
03/29/2013
The revision history provided is for informational purposes only and is believed to be accurate.
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20050 SW 112th Ave.
Tualatin, OR 97062
800.275.4899
Fax 503.612.2383
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[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.
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