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Monolithic Power Systems MP1471A
High-Efficiency, 3A 16V, 500kHz Synchronous, Step-Down Converter In a 6-Pin TSOT 23
Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 4.5-16 V |
| Schaltfrequenz | 410-590 kHz |
| Ausgang 1 | 3.3 V / 3 A |
| IC-Revision | 1.0 |
Beschreibung
The MP1471A is a high-frequency, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs. It offers a very compact solution to achieve a 3A output current over a wide input supply range, with excellent load and line regulation. The MP1471A 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 MP1471A requires a minimal number of readily-available, standard, external components and is available in a space-saving 6-pin TSOT23 package.
Eigenschaften
- Wide 4.5V-to-16V Operating Input Range
- 110mΩ/57mΩ Low-RDS(ON) Internal Power MOSFETs
- Proprietary Switching-Loss–Reduction Technology
- High-Efficiency Synchronous-Mode Operation
- Fixed 500kHz Switching Frequency
- Internal 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
Typische Anwendungen
- General Purposes
- Flat-Panel Television and Monitors
- Digital Set-Top Boxes
- Game Consoles