Additional Resources: Product Page | 3D Model
date 08/31/2018
page 1 of 5
SERIES: SMI18 DESCRIPTION: AC-DC POWER SUPPLY
FEATURES
up to 18 W continuous power
DoE Level VI, CoC Tier 2 efficiency
no load power consumption < 0.075 W
universal input voltage range
interchangeable Ac blades for global use
over voltage, over current, and short circuit protections
UL/cUL, RCM, CCC, and PSE safety approvals
certified to 60950-1 and 62368-1 standards
output output output ripple efficiency
MODEL
1 2
voltage current power and noise level
max max max
(Vdc) (A) (W) (mVp-p)
SMI18-5 5 3 15 100 VI
SMI18-5.9 5.9 3 17.7 100 VI
SMI18-9 9 2.2 19.8 100 VI
SMI18-12 12 1.6 19.2 120 VI
SMI18-15 15 1.3 19.5 150 VI
SMI18-18 18 1.1 19.8 180 VI
SMI18-24 24 0.8 19.2 240 VI
Notes: 1. At full load, nominal input, 20 MHz bandwidth oscilloscope, each output terminated with 0.1 F multilayer ceramic and 10 F low ESR electrolytic capacitors.
2. CoC Tier 2 compliant
PART NUMBER KEY
SMI18 - XX - X - XXX - CXX
Base Number
Reserved for Custom
Configurations
Output Voltage
Blades:
DC Plug Type:
V = North America, Europe, United Kingdom,
XXX = See output plug options
Australia, and China blade included
on page 4 for more details
N = North America blade included
E = Europe blade included
B = United Kingdom blade included
A = Australia blade included
C = China blade included
K = No blades included
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CUI Inc SERIES: SMI18 DESCRIPTION: AC-DC POWER SUPPLY date 08/31/2018 page 2 of 5
INPUT
parameter conditions/description min typ max units
voltage 90 264 Vac
frequency 47 63 Hz
current 0.48 A
at 100 Vac, full load, 25C, cold start 50 A
inrush current
at 230 Vac, full load, 25C, cold start 60 A
leakage current 0.25 mA
no load power consumption at 230 Vac 0.075 W
OUTPUT
parameter conditions/description min typ max units
5 Vdc output model 6 %
regulation
all other models 5 %
hold-up time at full load 10 ms
PROTECTIONS
parameter conditions/description min typ max units
output shut down
5 Vdc output model 12 Vdc
5.9 Vdc output model 12 Vdc
9 Vdc output model 16 Vdc
over voltage protection
12 Vdc output model 22 Vdc
15 Vdc output model 32 Vdc
18 Vdc output model 32 Vdc
24 Vdc output model 45 Vdc
output shut down, auto recovery
5 Vdc output model 7 A
5.9 Vdc output model 6 A
9 Vdc output model 5 A
over current protection
12 Vdc output model 5 A
15 Vdc output model 4 A
18 Vdc output model 4 A
24 Vdc output model 2.5 A
short circuit protection output shut down, auto recovery
SAFETY & COMPLIANCE
parameter conditions/description min typ max units
isolation voltage input to output at 10 mA for 1 minute 3,000 Vac
isolation resistance input to output at 500 Vdc 10 M
safety approvals UL/cUL (60950-1, 62368-1), RCM, CCC, PSE
EMI/EMC FCC Part 15B Class B, CE
MTBF as per Telcordia SR-332, 25C 300,000 hours
RoHS yes
ENVIRONMENTAL
parameter conditions/description min typ max units
operating temperature 0 40 C
storage temperature -20 80 C
operating humidity non-condensing 20 80 %
storage humidity non-condensing 10 90 %
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