SUPLET
®
Technical Specification
LAF50-220S12W
85Vac to 264Vac Input；12Vdc Output
Document No. SL33V93.A01 Rev. 1.01 Page 1 of 8
RoHS Compliant
Applications
Telecommunication networks
Description
The LAF50-220S12W power supply is an AC/DC converter which provides high efficiency single output. It can operate from
85~264Vac input voltage range, +12V/4.2A output. The power supply provides output over voltage, output overload, and
output short circuit protection.
Features
Compliance with the RoHS EU Directive
2011/65/EU & (EU)2015/863
Universal input 85Vac to 264Vac
Low noise output
Open frame design
Output over voltage protection
Output over current protection
Output short circuit protection
Meets IEC 60950-1&IEC/UL/EN 62368-1
Document No. SL33V93.A01 Rev. 1.01 Page 2 of 8
Electrical Specifications
Unless otherwise indicated, specifications apply over all operating nominal line, full load, and room temperature conditions.
Input Characteristics
Parameter Units
Specifications
Notes & conditions
Min. Typ. Max.
Input Voltage Range Vac 85 115/230 264 /
Input Current A - - 1.3 At 85Vac
Input Frequency Range Hz 47 50/60 63 /
Holdup Time ms 10 - - At 115Vac full laod
Inrush Current A - - 60 At 230Vac & Cold start
AC leakage Current mA - - 3.5 /
Input harmonics EN61000-3-2, class A
Input Fuse Replace input line fuse with same type rating Recommended 5A/250Vac slow blow fuse
Output Characteristics
Parameter Units
Specifications
Notes & conditio ns
Min. Typ. Max.
Output Voltage Set Point Vdc 11.88 12 12.12 Measured at output
Output Current A 0 - 4.2
Derate linearly with 2%/°C from
+50°C to +80°C, and with 5%/°C
from -40°C to -30°C, natural
ambient cooling
Output Voltage Tolerance %Vo - -
±1
Measured at output
Line regulation %Vo - - ±0.5 Measured from 90~264Vac
Load Regulation %Vo - - ±1 Measured at output
Temperature Coefficient %/℃ - -
±0.05
Measured at output
Ripple and Noise mVp-p - - 120
20MHz bandwidth, with 10uF E.L.
and 0.1uF ceramic capacitors to
the output cable