LED Display Power Supply

• Customization: Available
• Usage: LED Power Supply
• Output Type: Single
• Model NO.: GPAD401M5-1HZ
• Driving Method: LED Constant Current
• Circuit Structure: PWM Controlled
• Certification: TUV, CE, RoHS, CCC
• Power Supply Mode: Constant Current Source
• Modulation System: PFAW
• In-Out: Lifting Pressure Type
• Power Supply Voltage: AC85-265
• Pack Sealing Size: SMD
• Brand: Gpower
• Trademark: Gpower
• Origin: China

Product Description

1.1 Input characteristics
Parameter	Min.	Typ.	Max.	Unit	Remark
Input voltage range	170	220	280	Vac
Input current			3	A
Input impulse current			60	A	220VAC input, output full load
Input frequency	47	50	63	Hz	Full range normal operation
power factor	0.95				220VAC input, output full load

 

1.2 output characteristic
Parameter	Min.	Typ.	Max.	Unit	Remark
output voltage		+5V		Vdc	Configure 3.8v-5.5v output voltage according to customer requirements
Output current range	0		80	A
Ripple (peak to peak)			200	m Vp-p	At the rated input / output, add one 0.1 μ f ceramic chip capacitor and one 10 μ f high frequency electrolytic capacitor, and measure the bandwidth at 20MHz. Ripple less than 300 m Vp-p at low temperature below - 20 ºC
Load adjustment rate			±2	%
Source adjustment rate			±0.5	%

1.3 Other output characteristics
Parameter	Min.	Typ.	Max.	Unit	Remark
output power			400	W
Output efficiency			91	%	220 VAC input, 50% - 100% output
temperature coefficient			±0.03	%/ºC
Switching machine overshoot			±10	%
Dynamic response overshoot			±5	%	25% - 50% - 25% or 50% - 75% - 50% load change, load mutation rate is 0.1a/μ s, calculated as the part beyond the output voltage stabilization accuracy range
Dynamic response recovery time			200	uS
Power on output delay			2	S

 

1.4 Protection characteristics
Parameter	Min.	Typ.	Max.	Unit	Remark
Output overvoltage protection			7	V	220VAC input, output half load test, burp
Output overcurrent protection			110	A	Burp, self recovery
Short circuit protection		Yes			Short circuit for a long time, self recovery
Over temperature protection			70	°C	The ambient temperature around the power supply is protected by burping, which can recover itself