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TPS62065-Q1 Line and Load regulation

Toshio Ushikubo
Mastermind 9620 points
Other Parts Discussed in Thread: TPS62065-Q1

Hello,

TPS62065-Q1 datasheet has minimum and maximum value of Vfb(pwm) accuracy

but VFB Load and Line Regulation are only typical value.

So customer can’t calculate estimated maximum error of output voltage with their application.

 

Please supply any data for maximum Line and Load regulation.

 

Best Regards.

  • 0
    TI__Guru*** 142710 points
    These are not specified, but if forced PWM mode is used, they are extremely small contributors to the inaccuracy.

    Figure 16 shows that both line and load regulation are nearly 0 in PWM mode.

    The 0.5%/A load reg spec comes from PFM mode. In PFM, the output voltage is set 1% higher than normal, so for a 2A device, you get 0.5%/A variation in PFM/PWM mode.