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TPS61175 startup time after making EN pin high

Other Parts Discussed in Thread: TPS61175

I am planning on using TPS61175 for a boost operation (3V to 12V, 0.5A output current). I will be using a microcontroller to control the EN pin on TPS61175 to make it start and stop.

My question is how much time TPS61175 IC will need after making the EN pin high before it can supply the programmed output voltage and current?

Any help much appreciated.

Regards

Nikhilesh Mishra

  • Nikhilesh,

    It depending the softstart capacitor you used in your application, if you use a 47nF ceramic cap in your design, then it takes about 15ms for the output voltage to rise up to your target value.  So please make sure the duration of the EN-ON signal is much longer than the the star-up time.

    BR,Helen