Universal Desktop Adaptor YHY-12008000 AC DC 12V 8A Power Adapter

AC / DC 12V 2A Power Adapter -  This AC / DC 12V 2A Power Adapter is a very safe adapter that has to overheat and short-circuit protected. The adapter comes in a portable physique and lightweight approach. You will get excellent quality with an incredible set of features, including protection against short circuits, over current protection, and overvoltage It is compact and easy to transport during travel. The input power is worldwide acceptable by having an input voltage of 110VAC to 240VAC.

Feature:

◆Universal Input:90-264VAC

◆Constant Voltage
◆Overload Protection
◆High Temp. Protection
◆Short Circuit Protection
◆Free Air Convection
◆Low Output Ripple&Noise
◆Long Life Span & High Efficiency

1.12v 8a Switching Power Supply Electrical Specification

1.1. Input requirement

Item	Minimum	Nominal	Maximum	Unit	Remark
Rated Input Voltage		100 / 240		Vac
Input Voltage Range	90	/	264	Vac
Rated Frequency		50 / 60		Hz
Frequency Range	47	/	63	Hz
Input Current		/	2.5	A	at 100Vac/ 60Hz- at 240Vac/ 50Hz
Input Inrush Current		/	120	A	Cool Start 120Vac
Power Consumption		/	0.21	W	No Load

1.2. Output requirement


1.2.1 Output voltage and current

 The power supply output voltage must stay within the limits specified in table 2 when operating at steady state. 

1.2.2 Ripple and Noise

Ripple and Noise are tested by dc loading side parallel with a 47uF/E-CAP and 0.1uF/ C-CAP and with 20MHz Band-Width, the result must be less than 120mV

1.2.3 Average Efficiency

The average efficiency is lager than 88.00% which is at 115Vac/60Hz and 230Vac/50Hz with 100%,75%,50%,25% rated load. This result comply with the DOE VI

1.2.4 Line regulation

The line regulation of rated output voltage is less than ±5% while measuring at rated load and +/-10% of input voltage changing.

1.2.5 Load regulation

The load regulation of rated output voltage is less than ±5% at measured output load from 10% to 100% rated load .

1.2.6 Turn on delay time

At nominal input AC voltage and full load, it must less than 4S

1.2.7 Rise time

The Supply shall have a start-up rise time of less than 30mS within regulation limits for all DC outputs.  

1.2.8 Hold up time

At nominal input AC voltage and full load, it must larger than 10mS

1.2.9 Overshoot and undershoot

The output voltage over/undershoot upon the application or removal of the input voltage, under the input conditions specified in Section 2.1, shall be less than ±10% ,above the nominalvoltage. No voltage of opposite polarity shall be present on output during turn-on or turn-off.

1.2.10 Dynamic respose

The output voltage must between ±5% 20% to 80% load and back to 20% with a 0.15A/msec slew rate.