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Monolithic Power Systems MP28257 | Demoboard EV28257DD-00A
High Effeciency, Fast Transient, 4A, 20V Effeciency, Fast Transient, 4A, 20V
Overview
| Topology | Buck Converter |
| Input voltage | 3.3-20 V |
| Output 1 | 1.2 V / 4 A |
| IC revision | 1.0 |
Description
The EV28257DD-00A is a fully integrated highfrequency synchronous rectified step-downswitch mode converter. It offers a very compactsolution to achieve 4A continuous outputcurrent over a wide input supply range withexcellent load and line regulation. TheMP28257 operates at high efficiency over awide output current load range.
Features
Wide 3.3V to 20V Operating Input Range
- 4A Output Current
- Low RDS(ON) Internal Power MOSFETs
- Proprietary Switching Loss ReductionTechnique
- 1% Reference Voltage
- Programmable Soft Start Time
- Soft Shutdown
- Programmable Switching Frequency
- OCP, OVP, UVP Protection and ThermalShutdown
- Output Adjustable from 0.8V to 13V
- Available in 12-pin QFN2x3mm Package
Typical applications
- Personal Video Recorders
- Notebook Systems and I/O Power
- Flat Panel Television and Monitors
- Networking Systems
- Digital Set Top Boxes
- Distributed Power Systems