MP8845C – 5A HIGH EFFICIENT SYNC. STEP DOWN SWITCHER WITH I2C

MP8845C Rev. 1.02

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17

4/25/2014

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OUPUT VOLTAGE TRANSITION SLEW RATE

When output voltage transits from a low to high

voltage or from a high to low voltage, the

transition slew rate can be different. There are

eight possible values for selecting. Through

writing the Slew rate bits (Reg02 Syscntlreg2

[D2:D0]), the transition slew rate can be set at

one possible value based on the application. The

internal reference will follow the set slew rate, but

the output voltage slew rate is not always follow

internal reference. Consider output capacitor and

inductor, the actual output voltage slew rate

should be a little slower.

I

hold on after EN pin change low. The updated

register can be hold for later application condition

even external EN pull low.

Figure 2—MP8845C control interface