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TPS62826: SN62826/7

Jeff YANG
Mastermind 7755 points
Part Number: TPS62826
Other Parts Discussed in Thread: SN62826,

Tool/software:

Hi,

For SN62826/7, does it is force PWM mode or PSM/PWM mode?

If we need quick output discharge, we need choose B version, right? May I know the output discharge resistor value?

Thanks!

Jeff

  • 0
    Mastermind 7755 points

    Hi,

    Another question, for datasheet C3, what is the capacitor range? Can I use 150pF?

    Thanks!

  • +1 in reply to Jeff YANG
    TI__Mastermind 18090 points

    Hi Jeff,

    Thank you for using E2E,

    Jeff YANG said:
    For SN62826/7, does it is force PWM mode or PSM/PWM mode?

    It's  PSM/PWM mode device.

    Jeff YANG said:
    If we need quick output discharge, we need choose B version, right?

    The discharge current is same as TPS62826.

    In SN62826, VIN must remain present and within the recommended operating range for the discharge to function. In SN62826B, the active output discharge can function as long as the VIN is above 2.0 V.

    Jeff YANG said:
    Another question, for datasheet C3, what is the capacitor range? Can I use 150pF?

    For the recommended 100k value for R2, a 120pF feedforward capacitor is used. C3 = 12μ/ R2.

    Can you contact me via email: m-shaik@ti.com

    Thank you & regards,

    Moheddin.