cui.com
date 12/11/2020
page
1 of 4
SERIES: SWI3-E-USB │ DESCRIPTION: AC-DC POWER SUPPLY
FEATURES
• up to 3 W continuous power
• CoC Tier 2 compliant
• universal input voltage range
• ultra-compact case
• no load power consumption < 0.075 W
• over votlage, over current, and short circuit protections
• CE safety approvals
��� Class II construction
PART NUMBER KEY
Base Number
Reserved for Custom
Congurations
SWI3 - XX - E - I38 - CXX
Output Voltage
AC Input Type:
Europe
USB Type A Outlet
MODEL
input
voltage
input
frequency
output
voltage
output
current
output
power
ripple
and
noise
1
eciency
level
2
no load power
consumption
range
(Vac)
range
(Hz)
nom
(Vdc)
max
(A)
max
(W)
max
(mVp-p)
average3
(%)
10%
(%)
typ
(W)
SWI3-5-E-I38 90 ~ 264 47 ~ 63 5 0.6 3 150 75.4 61.6 0.06
Notes: 1. At full load, nominal AC input voltage, 25°C, 20 MHz bandwidth oscilloscope, output terminated with 0.1 µF and 10 µF capacitors to ground.
2. CoC Tier 2 compliant.
3. Average eciency is measured at 25%, 50%, 75%, and 100% load.
Additional Resources: Product Page | 3D Model
cui.com
date 12/11/2020 │ page 2 of 4CUI Inc │ SERIES: SWI3-E-USB │ DESCRIPTION: AC-DC POWER SUPPLY
INPUT
parameter conditions/description min typ max units
voltage 90 264 Vac
frequency 47 63 Hz
current at nominal input voltage 0.2 A
leakage current at nominal input voltage & frequency 0.02 mA
no load power consumption at 115/230 Vac, 60/50 Hz 0.075 W
OUTPUT
parameter conditions/description min typ max units
line regulation 4.9 5.4 Vdc
load regulation 4.9 5.4 Vdc
start-up time at 115 Vac 3 s
PROTECTIONS
parameter conditions/description min typ max units
over current protection auto recovery 0.9 A
short circuit protection
SAFETY & COMPLIANCE
parameter conditions/description min typ max units
isolation voltage input to output at 10 mA for 1 minute
3,000
4,242
Vac
Vdc
safety approvals EN 62368
EMI/EMC CE (EN 55032, CISPR 32, EN 61000-3-2, EN 61000-3-3, EN 55024, CISPR 24)
MTBF
as per Telcordia SR-332 (Issue 2), at 115/230 Vac,
full load, 0°C~40°C
50,000 hours
RoHS 2011/65/EU
ENVIRONMENTAL
parameter conditions/description min typ max units
operating temperature 0 40 °C
storage temperature -20 60 °C
operating humidity non-condensing 20 85 %
storage humidity non-condensing 5 95 %
Additional Resources: Product Page | 3D Model