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Overview
| Topology | Buck Converter |
| Input voltage | 4.5-16 V |
| Switching frequency | 300-1000 kHz |
| Output 1 | 1.8 V / 15 A |
| IC revision | 0.9 |
Description
The MP38875 is a monolithic step-down switch mode converter with a built in internal power MOSFET. It achieves 15A 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 MP38875 requires a minimum number of readily available standard external components and is available in a 20-pin 3mm x 4mm QFN package.The MP38875 is ideal for a wide range of applications including distributed power systems, pre-regulator for linear regulators, compact DC- DC regulators for PCB space limited platforms.
Features
- Wide 4.5V to 16V Operating Input Range
- 15A Output Current
- 25mΩ Internal Power MOSFET Switch
- Synchronous Gate Driver
- Synch from 300KHz to > 1MHz External Clock or 800KHz Fixed Switching Frequency
- Synch Output to Drive Another Regulator in Phase-Shift Operation
- Feedback Voltage Accuracy: 2%
- Programmable Soft-Start
- Startup Tracking
- EN and Power Good for Power Sequencing
- Cycle-by-Cycle Over Current Protection
- Thermal Shutdown
- Output Adjustable from 0.8V to 12V
- Stable with Low ESR Output Ceramic Capacitors
- Available in a 3mm x 4mm QFN Package
Typical applications
- Distributed Power Systems
- Pre-Regulator for Linear Regulators
- Compact DC-DC Regulator for PCB Space Limited Platforms