Products

Contact Person : Ms. Nee Rachel
Company Name : Guangdong Kingwood Electronic Co., Ltd.
Tel : 86-20-61031498
Fax : 86-20-61031486
Address : Guangdong,Guangzhou,5/f, Block C, Dadi Industrial Park, Yongdong Road, Tangxia, Guangzhou City, Guangdong Province. China
Country/Region : China
Zip : 510630

switching power supply for telecommunication use

Product Detailed

It use the most advanced PWM technology and the most stable and reliable circuit topology

Introduction:

This series of high-frequency switching power supply are designed for a variety of communications electronics equipment, such as program-controlled switches, microwave equipment, optical fiber communication equipment etc. which are high efficiency, high performance, high stability, high reliability, and which use the most advanced PWM technology and the most stable and reliable circuit topology.

The series are small size, light weight, high efficiency, wide operating temperature range, strong anti-jamming capability, fast dynamic response, high stability, smal noise ripple, and with strong protection features, which apply to CNC machine tools, data-processing and other equipment, and which can be used as charging and discharging equipment for battery.

Features:

1. High precision regulators

2. Fast dynamic response

3. Low output noise

4. Strong anti-interference ability

5. Wide operating temperature range

6. Strong protection function

7. With N +1 module composite structure

Technique Parameters:

Technical Data		Parameters	Test Conditions
Input Voltage	AC	220Vac/160V-290V	Output half load
	DC	220Vdc/180V-280V	Output half load
AC Undervoltage Derating		<150V±5V	Output half load
AC Overload Protection		300V	Output half load
Module Power Surge		220V/<12A	Output half load
Module Input Current		220V/5.7A	Output half load
Output Float Voltage		48V/53.5V	Factory settings
Modules are charging pressure		48V/56.5V	Factory settings
Output Voltage Range		40-59VDC(adjustable)
Output Current		20A/30A	Output Limit(101%-105%)
Battery Current-limiting		1-9A stepping adjustable (each step 1A)
Output Short-Circuit Protection		Need to restart after short circuit
Power Regulation		±0.1%max	Output from no load to full load
Modules Load Regulation		±0.5%max	Output from no load to full load
Dynamic Response		100usmax	20%~100% load
Phone Scale Output Noise		<2mV	Noise meter
Peak Output Noise		≤200mV	0~20MHz
Efficiency		>88%
Frequency		160KHz
Boot Time		≤5S
Current Deviation		<5%	<1.25A
Temperature Coefficien		0.02%
Working Temperature		-10~+45	Radiator will close when temperature is over 85, which can recover.
Storage Temperature		-40~+85
Working Humidity		5%~95%RH	Non-condensing
Insulation Strength		Leakage Current <10mA,1min	Input-Output 1500Vac Input-Shell 1500Vac Output-Shell 500Vac
Insulation Resistance		>10MΩ	DC1000V
Weight		8kg	Net Weight
Dimension(W×H×D)		483mm×88mm×325mm