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Monolithic Power Systems MP38671
25V, 600kHz, 10A Step-Down Converter with Synchronizable Gate Driver. Power Good Output
Overview
| Topology | Buck Converter |
| Input voltage | 4.5-25 V |
| Switching frequency | 400-800 kHz |
| Output 1 | 3.3 V / 10 A |
| IC revision | 1.1 |
Description
The MP38671 is a monolithic step-down switch mode converter with a built in internal power MOSFET. It achieves 10A continuous output current over a wide input supply range with excellent load and line regulation.
Current mode operation provides fast transient response and eases loop stabilization.
Fault condition protection includes cycle-by-cycle current limiting and thermal shutdown.
The MP38671 requires a minimum number of readily available standard external components and is available in a space saving 3 x4mm 14-pin QFN package.
Features
- Wide 4.5V to 25V Operating Input Range
- 10A Continuous Output Current
- 60mΩ Internal Power MOSFET Switch
- Power Good Indicator
- Synchronous Gate Driver Delivers up to 95% Efficiency
- Fixed 600KHz Frequency
- Synchronizable to >1MHz External Clock
- Cycle-by-Cycle Over Current Protection
- Thermal Shutdown
- Output Adjustable from 0.8V to 15V
- Stable with Low ESR Output Ceramic Capacitor
- Available in a 3x4mm 14-Pin QFN Package
Typical applications
- Digital Set Top Boxes
- Personal Video Recorders
- Flat Panel Television and Monitors
- Broadband Communications
- Point of Load Regulator in Distributed Power System