Datasheet

1. General Description
The purpose of this document is to specify a single phase AC input switching power supply
with full range AC . The product is AC to DC switch mode power supply that provide single
output EA1018B-2E -12V @1.5A max with 18W max DC output with constant voltage source.
This Specification defines the input, output, performance characteristics, environment , noise
and safety requirement.
2. Input Electrical Specification
2-1. AC Input Voltage
Maximum Voltage: 264Vrms
Normal Voltage : 100~240Vrms
Minimum Voltage: 90Vrms
2-2. AC Input Frequency
Maximum Frequency: 63Hz
Normal Frequency: 50~60Hz
Minimum Frequency: 47Hz
2-3. Input Current
a.1.0 A (Max.) @ AC 100Vrms input with full load.
b.0.75A (Max.) @ AC 240Vrms input with full load.
2-4. Efficiency
Meet CEC level V
Nameplate Output Power Energy Star Spec
□
0 to ≦ 1 Watt
0.48xPno+0.14
■
＞1 ≦ 50 Watts
0.0626xLn(Pno)+0.622
□
＞50 to 250 Watts
0.87
80.29% minimum at normal line input and average of 25%, 50%, 75%, 100%
of max load.
2-5. Configuration
2-wire AC input (Line ,Neutral )
2-6. Input Fuse
The Line of the AC input shall have a fuse , rated is T2A/250V
2-7. Inrush Current
≦ 30A at 110 Vac
≦ 60A at 240 Vac At cold start, nominal load.