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Monolithic Power Systems MP1469
High-Efficiency, 1.5A, 16V, 500kHz Synchronous, Step-Down Converter In 6 Pin SOT 23
Overview
| Topology | Buck Converter |
| Input voltage | 4.7-16 V |
| Switching frequency | 400-580 kHz |
| Output 1 | 3.3 V / 1.5 A |
| IC revision | 1.01 |
Description
The MP1469 is a high-frequency, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs. It offers a verycompact solution to achieve a 1.5A continuous output current over a wide input supply range, with excellent load and line regulation. The MP1469 has synchronous-mode operation for higher efficiency over the output current-load range.
Current-mode operation provides fast transient response and eases loop stabilization.
Protection features include over-current protection and thermal shutdown.
The MP1469 requires a minimal number of readily-available, standard, external components and is available in a space-saving 6-pin TSOT23 package.
Features
- Wide 4.7V-to-16V Operating Input Range
- 255mΩ/160mΩ Low-RDS(ON) Internal Power MOSFETs
- Proprietary Switching-Loss–Reduction Technique
- High-Efficiency Synchronous-Mode Operation
- Fixed 500kHz Switching Frequency
- AAM Power-Save Mode for High Efficiency at Light Load
- Internal Soft-Start
- Over-Current Protection and Hiccup
- Thermal Shutdown
- Output Adjustable from 0.8V
- Available in a 6-pin TSOT-23 package
Typical applications
- Flat-Panel Television and Monitors
- Digital Set-Top Boxes
- GameStations
- General Purposes