DC TO DC CONVERTER

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

Introduction:

This DD1100A power converter series is designed for a variety of communications electronics equipment such as program-controlled switches, microwave equipment, optical fiber communication equipment, which are high efficiency, high performance, high stability, high reliability.They use the most advanced PWM technology and the most stable and reliable circuit topology, which convert 48VDC power supply to +24 V and +12 V power supply for supplying load.

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

Features:

1. Wide input voltage range

2. DC output voltage is continuously adjustable

3. High precision regulators

4. Low output ripple noise

5. Strong protection

6. High efficiency, small size, light weight

7. With smart fan

Technique Parameter:

Technical Data	Parameters
Input Voltage Range	48（40~72）Vdc
Input Rated Current	25Adc
Output Voltage	28.0（24~30）Vdc
	12Vdc
Output Current	40Adc
	9Adc
Output Current	≤0.5%
Precision Regulators	≤0.2%
Phone Scale Noise Voltage	300~3400Hz    ≤2mV
Peak - peak Noise Voltage	≤100mV
Broadband Noise Voltage	3.4 ~ 150KHz   ≤100mV 0.15 ~ 30MHz   ≤30mV
Discrete Noise Voltage	3.4 ~ 150KHz   ≤5 mV 50 ~ 200KHz   ≤3 mV 250 ~ 500MHz  ≤2 mV 0.5 ~ 30MHz    ≤1 mV
Efficiency	≥90%
Output Overvoltage Protection	31±0.5Vdc
Output Current Limit Protection	45±1Adc
Input High-voltage Current-limiting Protection	≤72±1Vdc
Over-temperature Protection	85±5
Working Temperature	－10~50
MTBF	100000Hrs.
Weight	8.5Kg
Dimesion ( L×D×H ）	420mm×300mm×83mm

DC TO DC CONVERTER