120W, 48V 2.5A High Efficiency LED Power Supply

1. Specification Environment ParameterMin.Typ.Max.Unit Remark Operation environment temperature-40 60°C Chassis operation temperature-40 90°C Storage temperature-40 85°C Humidity10 95%Relative humidity,non condensing.Altitude -60 4000mFor operation over 2500m(5000 ft),the ope......

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Product Description

1. Specification

Environment
Parameter	Min.	Typ.	Max.	Unit	Remark
Operation environment temperature	-40		60	°C
Chassis operation temperature	-40		90	°C
Storage temperature	-40		85	°C
Humidity	10		95	%	Relative humidity,non condensing.
Altitude	-60		4000	m	For operation over 2500m(5000 ft),the operation temperature will be derated by 2ºC per 305m.
Altitude	-200		13000	ft
Noise		45		dB

Input
Parameter	Min.	Typ.	Max.	Unit	Remark
Nominal operation voltage range	100		240	Vac
Input voltage range	85	220	305	Vac
Input startup voltage range	90		285	Vac
Input frequency	47	50	63	Hz
Input current			2.0	A	90Vac input, rated load.
Power factor		0.95			Nominal operation voltage range, rated load.
Aging voltage range	100		305	Vac	Rated load.

Output
Parameter	Min.	Typ.	Max.	Unit	Remark
Output voltage range	47	48	49	Vdc
Output current range	0	2.5		A
Rated load		2.5		A
Stabilized voltage precision			± 3	%	Constant voltage output.
Load regulation			±3	%	Constant voltage output.
Regulation			±1	%	Constant voltage output.
Ripple (Vp-p)			800	mV	Rated input/output. Test with a 0.1uF film capacitor and a 10uF capacitor, bandwidth of 20MHz.

Protection
Parameter	Min.	Typ.	Max.		Unit	Remark
Output power	0	150			W
Output efficiency	90	91			%	220Vac input/ full-load.
Temperature coefficient				±0.02	%/ºC	Constant voltage output.
Standby power comsuption		4			W	220Vac input/ no-load.
Startup output delay		3			S	220Vac input/ no-load.
Startup&shutdown overshoot				10	%	Rated input voltage, rated load.

PF requirement ( Test under normal temperature)

	Full-load	80% load	50% load
Startup&shutdown overshoot	≥0.96	≥0.95	≥0.92

Load & Efficiency ( Test under normal temperature)

Input voltage frequency	50% load	80% load	Full-load
220Vac / 50Hz	≥88%	≥89%	≥90%

Protection
Parameter	Min.	Typ.	Max.	Unit	Remark
Output over-voltage protection point	52		57.5	V	Test with no-load, auto-recoverable.
Output current-limiting protectioin point	2.7		3.5	A	Auto-recoverable.
Output short-circuit protection					Auto-recoverable.

EMC and others
Parameter	Standard	Standard
ESD	Air discharge:±8KV (Criterion B)	EN61000-4-2: 2008 EN61547:1995+A1: 2000
ESD	Contact discharge:±6KV (Criterion B)	EN61000-4-2: 2008 EN61547:1995+A1: 2000
RS	Test frequency:80MHz~1000MHz;Test intensity:3V/m; Amplitude modulation:80%AM(1kHz) (Criterion A)	EN61000-4-3: 2008 EN61547:1995+A1: 2000
CS	Test frequency:0.15 MHz~ 80 MHz, Test intensity:3V,Amplitude modulation:80%AM(1kHz)	EN61547:1995+A1: 2000 IEC 61000-4-6: 2008
EFT/B	± 1KV(Criterion B)	IEC 61000-4-4: 2004 EN61547:2000+A1: 2000
Surge	Line-line ±4KV ( internal resistance 2Ω)(Criterion C) Line-ground ±4KV(internal resistance 12Ω)(Criterion C)	EN61000-4-5: 2008 EN61547:1995+A1:2000
DIP	Dip to70%Ut,duration:500ms( 25 cycles); Criterion B	EN61547:1995+A1: 2000 IEC61000-4-11:2004
	Dip to 40%Ut,duration :100ms( 5 cycles);Criterion C
	Dip to 0%Ut,duration: 10ms( half cycle);Criterion C
CE	Class B	EN55015: 2006+A1:2007
RE	Class B	EN55015: 2006+A1:2007
Magnetic Emission(MRE) Limits for loop diameter (dBμA) 2 m	9KHz ~ 70KHz 88 70KHz ~ 150KHz 88 ~ 58* 150KHz ~ 2.2MHz 58 ~ 26* 2.2MHz ~ 3.0MHz 58 3.0MHz ~ 30MHz 22	EN55015: 2006+A1:2007
Current harmonics	Class C	IEC61000-3-2: 2006
Voltage fluctuation & flicker	Pst ≤1.0;P1t ≤0.65; dc≤3.3%; dmax≤3.3%; d(t) value not exceeding 4% when voltage variation duration >500mS	IEC61000-3-3: 2008

Remark:
Criterion A (for continuity):

DC output range shall be accordant to normal work situation during interference;

DC output voltage fluctuation shall be within ±10%.
b) There shall not be alarms, failure indication ( power failure or protection failure) or failure indicatioin
after interference.
Criterion B (for transience):
1. DC output voltage shall not exceed the values belowed:
1) For -48V DC: -60V;
2) For-60V DC: -75V;
2. Spikes during interference shall not be considered.
3. There shall not be alarms, failure indication ( power failure or protection failure) or failure indicatioin
after interference.
4. Recover to normal function after interference.
Criterion C (for interruption):
The temporary lose of function is allowed, the function shall be recoverable automatically or manually, as well as by operation.
Criterion R (for susceptibility)
There shall not be damage or other interruption during test, such as software damage or improper operation of protecting units. The unit shall operate appropriately within specified range( not necessarily during process of test) after transient electromagnetic phenomenon finished. The interference may result in actions of fuse or other device defined, and shall be replaced or reset before recovering to normal operation state.

Safety & Insulation Rating
Parameter	Standard	Remark
Insulation voltage (input -output)	3000Vac	Durable for 50Hz,3000V AC voltage for 1min, leakage current≤10mA. There shall be no flashover or breakdown. The discharge tube shall be removed before test.
Insulation voltage (input -ground)	1500Vac	Durable for 50Hz,1500V AC voltage for 1min, leakage current≤10mA. There shall be no flashover or breakdown. The discharge tube shall be removed before test.
Insulation voltage (output -ground)	500Vac	Durable for 500V DC voltage for 1min, leakage current≤10mA. There shall be no flashover or breakdown. The discharge tube shall be removed before test.
Insulation resistance	≥10MΩ	Under normal atmosphere, relative humidity: 90%, testing voltage:500V, the insulation resistance of AC&DC-ground and AC-DC of the shall be more tham 10MΩ.
Safety Certification	Meet the requirement of IEC61347-1,IEC61347-2-3,UL8750 Standard.