On Thu, 2 Dec 1999, Derek Walton <[email protected]> wrote: > >I'm refining the input filter of a 150 watt SMPS. Nothing flashy, just a >few caps and a common mode choke. > >The current is drawn by the supply in short bursts as the DC link cap is >charged. I've shown that peak current reaches 6 amps for up to 2 ms. >I've also demonstrated that the CM choke, while rated for the RMS >current ( a 2 amp device ), does saturate when the current exceeds about >4 amps.
<snip> How did you determine this? By calculations or measurements. I've thought about this several times, but couldn't come up with a test setup I was satisfied with. -- Patrick Lawler [email protected] --------- This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to [email protected] with the single line: "unsubscribe emc-pstc" (without the quotes). For help, send mail to [email protected], [email protected], [email protected], or [email protected] (the list administrators).
