- 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
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 |
| |
switching power supply for telecommunication use
