Is this your own design or is this a PSU that was purchased from a vendor? Thanks for the reply, no its not my design its a PSU that is fitted to a rack mounted server monitor, which I am repairing. Does it have a current-limiting resistor as shown in fig. In case of 1: No current-limiting is used and the TOP is configured to operate at the full current-limit. In case you wish to replace the TOPSwitch only keeping everything else on the PSU as before , then you will have to match the current limits for the two devices using an appropriate current limiting resistor refer fig. Hello, there is a 14k resistor between the pins, so it is current limiting.
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POWER INTEGRATIONS TOP249YN
Can I use TOP249YN in place of TOP248YN
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