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date
08/21/2012
page
1 of 4
SERIES: 2.5-5 W US USB │ DESCRIPTION: AC-DC POWER SUPPLY
FEATURES
•
•
•
•
•
•
•
•
up to 5 W power
universal input (90~264 Vac)
compact size
single regulated output (5 V)
over voltage and short circuit protections
UL/cUL safety approval
level IV efficiency
custom designs available
RoHS
output
voltage
output
current
output
power
ripple1
and noise
(Vdc)
max
(A)
max
(W)
max
(mVp-p)
EPS050050U-I38-SZ
5
0.5
2.5
150
IV
EPS050100U-I38-SZ
5
1
5
150
IV
MODEL
efficiency
level
Notes: 1. At full load, 100 ~ 240 Vac input, 20 MHz bandwidth oscilloscope, each output terminated with 10 μF aluminum electrolytic and 0.1 μF ceramic capacitors.
PART NUMBER KEY
EPS050050U - I38 - SZ - CXX
Base Number
example of 5 Vdc, 0.5 A
DC Plug Type
cui.com
Factory
Designation
Reserved for Custom
Configurations
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CUI Inc │ SERIES: 2.5-5 W US USB │ DESCRIPTION: AC-DC POWER SUPPLY
date 08/21/2012 │ page 2 of 4
INPUT
parameter
conditions/description
min
voltage
nom
90
frequency
47
max
units
264
Vac
63
Hz
100
200
mA
mA
current
0.5 A model
1.0 A model
inrush current
at 115 Vac, cool start
at 230 Vac, cool start
15
30
A
A
no load power consumption
0.5 A model
1.0 A model
0.5
0.3
W
W
max
units
OUTPUT
parameter
conditions/description
min
line regulation
load regulation
0.5 A model
1.0 A model
nom
±1
%
±0.3
±0.25
Vdc
Vdc
PROTECTION
parameter
conditions/description
over voltage protection
0.5 A model:
1.0 A model: clamped by internal protection zener
short circuit protection
output shut down and auto restart
9
Vdc
max
units
3,000
4,242
Vac
Vdc
SAFETY & COMPLIANCE
parameter
conditions/description
min
isolation voltage
input to output at 10 mA for 1 minute
isolation resistance
input to output at 500 Vdc
safety approvals
UL/cUL 60950-1
EMI/EMC
0.5 A model: FCC class B, CE, VCCI-I
1.0 A model: FCC class B, EN 55022
nom
100
MΩ
leakage current
RoHS compliant
0.25
mA
yes
ENVIRONMENTAL
parameter
conditions/description
min
max
units
0
40
°C
storage temperature
-20
70
°C
operating humidity
20
80
%
storage humidity
10
90
%
operating temperature
cui.com
nom
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CUI Inc │ SERIES: 2.5-5 W US USB │ DESCRIPTION: AC-DC POWER SUPPLY
date 08/21/2012 │ page 3 of 4
MECHANICAL
parameter
conditions/description
dimensions
0.5 A model: 2.402 x 1.299 x 1.378 (61 x 33 x 35 mm)
1.0 A model: 2.874 x 1.142 x 1.752 (73 x 29 x 44.5 mm)
min
weight
0.5 A model
1.0 A model
input plug
direct plug-in US type
typ
units: mm
MECHANICAL DRAWING (1.0 A MODEL)
units: mm
cui.com
units
inch
inch
48
63
MECHANICAL DRAWING (0.5 A MODEL)
max
g
g
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CUI Inc │ SERIES: 2.5-5 W US USB │ DESCRIPTION: AC-DC POWER SUPPLY
date 08/21/2012 │ page 4 of 4
REVISION HISTORY
rev.
description
date
1.0
initial release
08/06/2009
1.01
features section updated, 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
techsupport@cui.com
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may cause undesired operation.
CUI offers a one (1) 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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