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Monolithic Power Systems (MPS) MP8795H Step-Down Converters achieve up to 20A of output current with excellent load and line regulation over a wide input supply range. The Converters operate at high efficiency over a wide output current load range. The MP8795H employs an internally compensated constant-on-time (COT) control mode that offers a fast transient response and eases loop stabilization. The operating frequency is easily adjustable with a MODE pin configuration to 600kHz, 800kHz, or 1000kHz. This configuration results in the MP8795H frequency remaining constant regardless of the input and output voltages.
The output voltage start-up ramp on the MP8795H is controlled by an internal 1ms timer and is increased by adding a capacitor on REF/TRK. An open-drain power-good (PGOOD) signal indicates if the output is within its nominal voltage range or not. PGOOD is clamped at around 0.7V with an external pull-up voltage when the input supply fails to power the MP8795H.
The MPS MP8795H Step-Down Converters deliver full protection features, including over-current protection (OCP), over-voltage protection (OVP), under-voltage protection (UVP), and over-temperature protection (OTP).
The MP8795H requires a minimal number of readily available, standard, external components. The MP8795H offers a very compact solution in a QFN-21 (3mm x 4mm) package.
