MP8795

MP8795

16V, 15A, Synchronous, Step-Down Converter with Adjustable Current Limit, Programmable Frequency, and Voltage Tracking

Datasheet

Description

The MP8795 is a fully integrated, high-frequency, synchronous, buck converter. It offers a very compact solution that achieves up to 15A of output current with excellent load and line regulation over a wide input supply range. The MP8795 operates at high efficiency over a wide output current load range.

The MP8795 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 easily with MODE configuration, allowing the MP8795 frequency to remain constant regardless of the input and output voltages.

The output voltage start-up ramp is controlled by an internal 1ms timer. It can be increased by adding a capacitor on SS. An open-drain power good (PGOOD) signal indicates if the output is within its nominal voltage range. PGOOD is clamped at around 0.7V with an external pull-up voltage when the input supply fails to power the MP8795.

Full protection features include over-current protection (OCP), over-voltage protection (OVP), under-voltage protection (UVP), and over-temperature protection (OTP).

The MP8795 requires a minimal number of readily available, standard, external components and is available in a QFN-21 (3mmx4mm) package.

Features & Benefits

Wide Input Voltage Range
2.7V to 16V with External 3.3V VCC Bias
4V to 16V with Internal Bias or External 3.3V VCC Bias
Differential Output Voltage Remote Sense
Programmable Accurate Current Limit Level
15A Output Current
Low R_DS(_ON) Integrated Power MOSFETs
Selectable Pulse Skip or Forced CCM Operation
Excellent Load Regulation
Output Voltage Discharge
PGOOD Active Clamped at Low Level during Power Failure
Programmable Soft-Start Time from 1ms
Selectable Switching Frequency from 600kHz, 800kHz, and 1000kHz
Non-Latch OCP, UVP, UVLO, Thermal Shutdown, and Latch-Off for OVP
Output Adjustable from 0.6V to 90%*VIN, up to 5.5V Max
Available in a QFN-21 (3mmx4mm) Package

Active Part Numbers:

MP8795GLE-Z MP8795GLE-P

Meaning of P & Z

Related Products

EV8795-LE-00A 16V, 15A, High-Efficiency, Synchronous Step-Down Converter Evaluation Board

The EV8795-LE-00A is an evaluation board designed to demonstrate the capabilities of the MP8795, a high-efficiency, monolithic, synchronous step-down converter. The MP8795 can deliver up to 15A of continuous output current (I_OUT) across a wide input voltage (V_IN) range, and is highly efficient across a wide I_OUT range (up to 15A).

Internally compensated constant-on-time (COT) control provides fast transient response and eases loop stabilization. The remote enable (EN) input referenced to ground turns the part on and off. This input is compatible with most popular logic devices.

The MP8795 is available in a QFN-21 (3mmx4mm) package.

$25.00
+ tax