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  DC-DC Converters  are used in parallel The parallel of DC-DC Converter has two aspects, one is to increase the output power, when two or more DC-DC power modules in parallel, requires the good current-sharing function between the DC-DC power module is good, the current-sharing mode cannot achieve only by parallel output terminal or uniform output voltage. Because DC-DC power module output impedance, temperature drift are different, will make the load unbalanced. This parallel operation requires this function of DC-DC power modules to achieve , such as our  YPD600 series products . The second is to increase the reliability of the power supply system, which we call redundant heat backup, as shown in Figure (Figure 9).The requirement of such parallel is that each  DC-DC power module  can separately provide 100% load current, so there is no requirement of current-sharing in parallel use, both provide current and are heat backup to each other. With a diode separati...

  Remote control switch function  （ CNT ）  DC-DC Converters Remote control switch refers to the "ON" (allowed), "OFF" (prohibited) operation of the output voltage. The control end is generally called the CNT. The  DC-DC Power Modules  are controlled in two standard ways as follows. 1, Conventional control mode 1) Positive Logical Control The CNT terminal connects directly to the-Vin or at a low voltage level, with the output is OFF; The CNT terminal is suspended or connected at a high voltage level, and the output is ON. 2) Negative logical control The CNT terminal connects directly to the-Vin or at a low voltage level, with the output is ON; The CNT terminal is suspended or connected at a high voltage level, and the output is OFF. 2, Isolation control mode In some special applications, you may have to use the way of isolation control mode. An isolation controlled circuit is recommended for reference only as shown in Figure 14. The photocoupled devices...

  DC-DC Converters  are used in parallel The parallel of DC-DC Converter has two aspects, one is to increase the output power, when two or more DC-DC power modules in parallel, requires the good current-sharing function between the DC-DC power module is good, the current-sharing mode cannot achieve only by parallel output terminal or uniform output voltage. Because DC-DC power module output impedance, temperature drift are different, will make the load unbalanced. This parallel operation requires this function of DC-DC power modules to achieve , such as our  YPD600 series products . The second is to increase the reliability of the power supply system, which we call redundant heat backup, as shown in Figure (Figure 9).The requirement of such parallel is that each  DC-DC power module  can separately provide 100% load current, so there is no requirement of current-sharing in parallel use, both provide current and are heat backup to each other. With a diode separati...

  DC-DC  Converter s  are used in series The series use of the output voltage of DC-DC Converter is possible. How many modules can it connect in series depending on the specific model and applications. In order to obtain a high output voltage, the series operation of the two DC-DC Converters is shown in Figure 6, and The load current cannot exceed the nominal value of the minimum output rated current .The output of each power module is connected in parallel with a reverse diode ,and When power on, it does not affect each other due to the different startup time. This diode shall be selected as a schottky diode whose reverse voltage shall be greater than the total output voltage and with a current greater than twice the rated output current.   To obtain a high output voltage, the series of dual output of DC-DC  power module  is shown in Figure 7.If the positive and negative output of DC-DC power module is used during series operation ,and the load on the posi...