1. General Description
The purpose of this document is to specify a single phase AC input switching power supply
with full range. The product is AC to DC switch mode power supply that provide single output
EA10402E-12V @3.5Amax with 42W 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: 264Vac
Normal Voltage :
100~240Vac
Minimum Voltage: 90Vac
2-2. AC Input Frequency
Maximum Frequency:
Normal Frequency:
Minimum Frequency:
63Hz
50~60Hz
47Hz
2-3. Input Current
a. 1.0A (Max.) @ AC 100Vac input with full load.
b. 0.75A (Max.) @ AC 240Vac input with full load.
2-4. Efficiency
Meet CEC level V
□
□
□
Nameplate Output Power
0 to
≦
1 Watt
＞1 ≦
50 Watts
＞50
to 250 Watts
Energy Star Spec
≧0.48xPno+0.14
≧〔0.0626
* Ln（Pno） 0.622
〕+
≧0.87
Efficiency
≧85.38%
(avg.) @ normal input & 25%, 50%, 75%, 100% of max output
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 T3.15A/250V
2-7. Inrush Current
≦
30A at 110 Vac At cold start, nominal load.
≦
60A at 240 Vac At cold start, nominal load.
2-8. Hold Up Time
≧
10 mSec., @ Normal line, with full load.
2-9. Rise Time
≦20
mSec. @ min Input voltage , with full load from 10% to 90% of output voltage.
2-10. Turn-ON Time
The output voltage should rise to 90% of rated output voltage in less than 3 seconds
from AC apply..
2-11. No load Power Consumption
Less then
≦
0.3 Watts. at normal line.
3. Output Electrical Specification
3-1. Output Voltage and Current
Output Voltage
+12V
Min Current(A)
0A
Max Current(A)
3.5A
Peak Current(A)
3-2.
Line / Load Regulation
Output Voltage (V)
Vo
+12V
Tolerance (%)
+5% ~ -5%
Regulation(V)
11.4 ~ 12.6V
3-3. Dynamic Load Regulation
±5%
excursion from
50% to 100% load and back to 50%
load change of DC output at
any frequency up to 1KHz(duty 50%)
3-4. Ripple
＆
Noise
The power supply shall not exceed the following limits on the indicated voltage for 60Hz or
50Hz ripple, Switching frequency ripple and noise and dynamic load variations measured
with a 20MHz bandwidth and output parallel with a 0.1uF ceramic capacitor and a 47uF
electrolytic capacitor to ground. Temperature at 25
°
C
and nominal AC input voltage
Output
12V
Ripple/Noise(PK)
240mVmax.
Ripple / Noise: 60Hz ripple + switching ripple and noise
3-5.
Short Circuit Protection :
The output should shut-down when subjected to short circuit. The power supply shall return to
normal operating after removing the short situation .
3-6.
Open Circuit Protection
:
When primary power is applied with no load on any output level, no damage or
hazardous conditions should be occurred..
3-7. Over Current
Protection
:
110% ~ 150% of max current
When over-current occurred, the output should shut down and the over –current
situation is removed, the output shall be auto-recover without any harm .
3-8. Over Voltage
Protection
:
110% ~ 150% of rated voltage
When over-voltage occurred, the output should shut down and the over –voltage
Situation is removed, the output shall auto-recover without any harm .
3-9. Stability
2%
Max. at constant load with constant input (after
30 minutes
of operation).
3-10. Drop-out (Power Line Disturbance)
Output voltage shall remain within the specified regulation range, through the absence of
a line input during 1/2 cycle, at full load and normal AC line input.
4.Reliability Specification
4-1. MTBF (MIL-STD-781C)
The power supply shall be designed and produced to have a mean time between
failures (MTBF) of 50000 operating hours minimum conditions: 80% maximum load at
25
°C,
nominal input voltage
.
5. Environment Specification
5-1 Temperature
a. Operating: 0 to 40
°
C
b. Storage:
-20 to 60
°
C
5-2 Humidity
a. Operating:
b. Storage:
20 to 85 % RH, NON-CONDENSING
5 to 95 % RH, NON-CONDENSING
5-3 Altitude
From sea level to 2000M(operation ) and 50000M(non operation ).
6-0. Safety Specification
6-1. Hi-Pot Test
3000VAC, 10mA, 3 seconds between primary and secondary circuit
6-2. Insulation Test
500Vdc, 3 Sec. between primary and secondary circuit
IR should
≧
100 MΩ.
6-3. Leakage Current
≦
250 uA
@ 240VAC 50Hz
6-4. Safety
UL, CUL, TUV/GS, CE, FCC, CCC, BSMI, PSE
7. Mechanical Specification
7-1. Physical Size :
85.5 L x 35.7 W x 25.7H (mm)
7-2. Enclosure material :
94V-0
7-3. Net Weight (Reference) :
160g±10g
电源适配器
型号
输入
输出
注意
室内产品½用
中½制造
出厂日期
京公网安备 11010802033920号
EEWORLD
