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MP8794

MPS
Part Number MP8794
Manufacturer MPS
Description Step-Down Converter
Published Sep 17, 2023
Detailed Description MP8794 16V, 20A, Synchronous, Step-Down Converter with Adjustable Current Limit, Configurable Frequency, and Voltage Tra...
Datasheet PDF File MP8794 PDF File

MP8794
MP8794

Overview
MP8794 16V, 20A, Synchronous, Step-Down Converter with Adjustable Current Limit, Configurable Frequency, and Voltage Tracking DESCRIPTION The MP8794 is a fully integrated, highfrequency, synchronous, buck converter.
The MP8794 offers a compact solution that achieves up to 20A of output current with excellent load and line regulation over a wide input supply range.
The MP8794 operates at high efficiency over a wide output current load range.
The device adopts an internally compensated constant-on-time (COT) control mode that provides fast transient response and eases loop stabilization.
The operating frequency can be set to 600kHz, 800kHz, or 1000kHz with MODE configuration, allowing the MP8794 frequency to remain constant regardless of the input and output voltages.
The output voltage start-up ramp is controlled by an internal 1ms timer that can be increased by adding a capacitor on REF/TRK.
An opendrain power good (PGOOD) signal indicates whether the output is within its nominal voltage range.
PGOOD is clamped at about 0.
7V with an external pull-up voltage when the input supply fails to power the MP8794.
Full protection features include over-current protection (OCP), over-voltage protection (OVP), under-voltage protection (UVP), and over-temperature protection (OTP).
The MP8794 requires a minimal number of readily available, standard external components.
It is available in a QFN-21 (3mmx4mm) package.
FEATURES  Wide Input Voltage Range o 2.
7V to 16V with External 3.
3V VCC Bias o 4V to 16V with Internal Bias or External 3.
3V VCC Bias  Differential Output Voltage Remote Sense  Configurable Accurate Current Limit Level  20A Output Current  Low RDS(ON) Integrated Power MOSFETs  Adaptive COT for Ultra-Fast Transient Response  Stable with Zero-ESR Output Capacitor  Output Voltage Discharge  Excellent Load Regulation  Output Voltage Tracking  PGOOD Active Clamped at Low Level during Power Failure  Programmable Soft-Start Time from 1ms  Pre-Bias Start-Up  Se...


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