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Overview
| Topology | Buck Converter |
| Input voltage | 4.7-28 V |
| Switching frequency | 310-410 kHz |
| Output 1 | 3.3 V / 3 A |
| IC revision | 1.1 |
Description
The MP2303A is a monolithic synchronous buck regulator. The device integrates a 150mΩ high-side MOSFET and a 80mΩ low-side MOSFET that provide 3A continuous load current over a wide operating input voltage of4.7V to 28V. Current mode control provides fast transient response and cycle-by-cycle current limit.An adjustable soft-start prevents inrush current at turn-on. In shutdown mode, the supply current drops to lower than 1μA.This device, available in an 8-pin SOIC and PDIP-8 packages, provides a very compact system solution with minimal reliance on external components.
Features
- 3A Output Current
- Wide 4.7V to 28V Operating Input Range
- Integrated MOSFET Switches
- Output Adjustable from 0.80V to 25V
- Up to 95% Efficiency
- Programmable Soft-Start
- Stable with Low ESR Ceramic Output Capacitors
- Fixed 360kHz Frequency
- Cycle-by-Cycle Over Current Protection
- Input Under Voltage Lockout
- Available in thermally enhanced8-Pin SOIC and PDIP-8 packages
Typical applications
- Pre-Regulator for Linear Regulators
- Notebook Computers
- Distributed Power Systems
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IR (A) | ISAT (A) | fres (MHz) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744066100 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TPC SMT Tiny Power Inductor | 10 | 3.9 | 4 | 20 | SMT |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IR (A) | ISAT (A) | fres (MHz) | Mount | Samples |
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