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  1. zxt50

    Simple on/off SMPS controller beats PID software control.

    Hi, Does any reader have knowledge about how good Programmable SMPS PWM controllers are? (using PIDJ software to do the PWM). -That is, are they better or worse than standard 'analog' (non-programmable) PWM controllers? ('J' is for derivative of the derivative) I have been running the Sync...
  2. zxt50

    0.7V on SMPS output when input disconnected

    Dear Readers, I am using Microchip’s Synchronous Buck Demo Board with dsPIC30F2020. This comprises two buck converters on a PCB. I am finding that I have 0.7V on the output of the Buck converters even when the input is disconnected. ………Please see page 43,44 of the user’s guide……...
  3. zxt50

    SMPS with 0.01% ripple

    I am trying to design a 10KV (Vout) SMPS with 1V peak to peak ripple on the output voltage. (No linear regulators are allowed here). The load is a pulsed load and could be anything up to 250Kohms. The load duty cycle is 10% or less. And the Pulse repitition frequency is 200Hz to some 30KHz...

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