公司名称：西安浩南电子科技有限公司

CHB75-Dual系列    75W 半砖DC/DC转换器 - 双输出
•75W隔离输出 
•效率84% 
•400KHz开关频率 
•2:1输入范围 
•输出已调准
•连续短路保护
•每一路*大功率75W电流15A
•工业标准半砖式封装 
输入电压: 36~75Vdc  
输出电压: 5V/2.5V、5V/3.3Vdc 
输出功率: 每路15A, 总功率不超过75W 
温度范围: -40°C至+100°C(基板) 
CHB75-24D05-3V3
CHB75-24D05-2V5
CHB75-48D05-3V3
CHB75-48D05-2V5
Specifications
INPUT SPECIFICATIONS:
Input Voltage Range..............................24V.............18-36V
                                                                                             48V............ 36-75V
Undervoltage lockout .......................24Vin power up..................17V
                                                                              power down .............15.5V
                                                                         48Vin power up ............... 34V
                                                                             power down ............. 32.5V
Positive Logic Remote ON/OFF4, 5  
Input Filter ............................................. PI Type
OUTPUT SPECIFICATIONS:
Voltage Accuracy : ..................................  ±2% max.
Transient Response :25% Step Load Change........................<500&micro; sec.
External Trim Adj. Range ...............................................±5%
Ripple & Noise, 20MHz BW6
                                              3.3V & 5V & 2.5V............ 40mV RMS., max.
                                                                                     100mV pk-pk, max.
Temperature Coefficient.......................................  ±0.03%/&#730;C
Short Circuit Protection............................ Continuous
Line Regulation1
 ............................................. ±0.2% max.
Load Regulation2
  .................................................................. ±0.5% max.
Over Voltage Protection trip Range, % Vo nom.....................115-140%
Current Limit .............................................110% ~140% Nominal Output
GENERAL SPECIFICATIONS:
Efficiency...................................See Table
solation Voltage .............Input/Output.............1500VDC min.
                                                        Input/Case............ ..... 1500VDC min.
                                                        Output/Case.............1500VDC min.
solation Resistance ...................................107
 ohm min.
Switching Frequency ................................400KHz, Typ.
Operating Case Temperature ........................................-40&#730;C to 100&#730;C
Storage Temperature  ................................................... -55&#730;C to +105&#730;C
hermal Shutdown, Case  Temp. .......................................... 100&#730;C Typ.
Dimensions .......................................2.28x2.40x0.52 inches
                                                                                  (57.9x61.0x13.2 mm)
Case Material...........................Aluminum Baseplate with Plastic Case
Weight..................................108g