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Overview
| Topology | Buck Converter |
| Input voltage | 5-16 V |
| Switching frequency | 440-580 kHz |
| Output 1 | 3.3 V / 3 A |
| IC revision | 1.06 |
Description
The MP1497 is a high-frequency, synchronous, rectified, step-down switch mode converter with built in internal power MOSFETs. It offers a very compact solution to achieve 3A continuous output current with excellent load and line regulation over a wide input supply range. The MP1497 has synchronous mode operation for higher efficiency over the output currentload range.
Current-mode operation provides a fast transient response and eases loop stabilization.
Protective features include over-current protection, thermal shutdown, and external SS control.
The MP1497 requires a minimal number of readily-available external components and is available in a space-saving 8-pin TSOT23 package.
Features
- Wide 4.5V-to-16V Operating Input Range
- 80mΩ/30mΩ Low RDS(ON) Internal Power MOSFETs
- Proprietary Switching-Loss–Reduction Technique
- High-Efficiency Synchronous Mode Operation
- Fixed 500kHz Switching Frequency
- Can Synchronize to a 200kHz-to-2MHz External Clock
- Externally-Programmable Soft-Start
- OCP and Hiccup
- Thermal Shutdown
- Output Adjustable from 0.8V
- Available in an 8-pin TSOT-23 Package
Typical applications
- Flat-Panel Television and Monitors
- Distributed Power Systems
- Notebook Computers and I/O Power
- Digital Set-Top Boxes