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Recent content by TheDannia

  1. T

    Full Bridge DC-DC Converter Operating Frequency

    driver is attached, each output is 10 kHz and complementary. I'm using same pwms for other half bridge with changing the positions.
  2. T

    Full Bridge DC-DC Converter Operating Frequency

    duty cycle is between 0.6(Vin-max) to 0.9(Vin-min), switching is like: M1 and M4 are conducting while M2 and M3 are not and visa versa, like inverter and filter is going to be designed for lowest duty cycle of course, but my question is not about these things I just wonder should I use the...
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    Full Bridge DC-DC Converter Operating Frequency

    so the both L and C filter frequency parameter is 20kHz to be used in formulas right?
  4. T

    Full Bridge DC-DC Converter Operating Frequency

    sorry I forgot to mention, it's a full bridge dc-dc converter with full wave bridge rectification: When I drive the switches at 10kHz, will transformer's operating frequency also be 10kHz or it will decreased to half because of turning into AC? and rectification doubles the frequency, will...
  5. T

    Full Bridge DC-DC Converter Operating Frequency

    Hi, I'm trying to understand full bridge working principles and I wonder, if I choose operating frequency as 10kHz, transformer working frequency will be 10kHz or 5khz? Also output filter will be designed according to 10kHz or 20kHz because of frequency doubling caused by rectification...
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    PWM Ramp Voltage of SG3525

    so the difference between them: 2.9V is the ramp voltage of sawtooth wave in pwm comparator is 2.9V ??
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    PWM Ramp Voltage of SG3525

    I mean the ramp voltage of sawtooth wave in voltage to pwm comparator inside the IC, I need it for compensation calculations
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    PWM Ramp Voltage of SG3525

    Hi, I'm trying to calculate a feedback compensator for SG3525 IC. I need pwm ramp voltage for this IC but it's not given in datasheet. How can I find or calculate it? Thank you.
  9. T

    Eagle Gerber File Warnings

    Hi, This is my first time to get a gerber output from a .brd. I've followed this way: Cam Processor -> Load JobFile -> Local Cam Jobs -> Examples -> Legacy -> gerb274x.cam I've encountered two warnings here, attached. **broken link removed****broken link removed** I've fixed first warning...
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    Component values on 2-pole 2-zero compensation

    Hi guys, I'm trying to build a 2-pole 2-zero compensation for a full bridge dc-dc converter. I'm using sg3525 as IC. To build the compensation network I'm following the instructions on power supply cookbook but there are two resistors which I don't know how to calculate these 2 resistors and...
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