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ABC200-1048G Datasheet(PDF) 8 Page - Bel Fuse Inc. |
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ABC200-1048G Datasheet(HTML) 8 Page - Bel Fuse Inc. |
8 / 11 page 8 ABC200 Series tech.support@psbel.com The AC-DC power supply provides a fixed threshold overvoltage (OV) protection implemented with a HW comparator. Once an OV condition has been triggered, the supply will shut down and latch the fault condition. The latch can be unlocked by disconnecting the supply from the AC mains only. The main output current limitation will decrease with linear derating to 50% at 70 ºC if the ambient (inlet) temperature increases beyond 50 °C (see Figure 13). Figure 13. Output Current Capacity Derating The Out-OK output gives a status indication of the converter and the output voltages. It can be used for control functions such as data protection, central system monitoring or as a part of a self-testing system. Connecting the Out-OK as shown in Figure 14, VOK <1.0 V indicates the output voltage(s) of the converter are within the range. Note: Using the potentiometer, the monitor level tracks the programmed output voltage. In an error condition, if the output voltage is out of range due to overload or an external over voltage, VOK will approach Vp. The output is Figure 14: Power Good signal formed by an NPN transistor. The signal is isolated from the output. Figure 14. Power Good signal |
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