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Overview
| Topology | Buck Converter |
| Input voltage | 4.5-24 V |
| Output 1 | 3.3 V / 0.05 A |
| Output 2 | 3.3 V / 0.5 A |
| IC revision | 1.0 |
Description
The MP2357 is a monolithic step-down switch mode converter with a built-in internal power MOSFET. It achieves a 0.5A peak output current over a wide input supply range with excellent load and line regulation. Current modeoperation provides fast transient response and eases loop stabilization. Fault condition protection includes cycle-by-cycle current limiting and thermal shutdown.The MP2357 requires a minimum number of readily available standard external components. The MP2357 is available in TSOT23-6 and SOT23-6 packages.
Features
- 0.5A Peak Output Current
- 0.35ΩInternal Power MOSFET Switch
- Stable with Low ESR Output Ceramic Capacitors
- Up to 92% Efficiency
- 0.1μA Shutdown Mode
- Fixed 1.4MHz Frequency
- Thermal Shutdown
- Cycle-by-Cycle Over Current Protection
- Wide 4.5V to 24V Operating Input Range
- Output Adjustable from 0.81V to 15V
- Available in TSOT23-6 and SOT23-6
Typical applications
- Pre-Regulator for Linear Regulators
- Distributed Power Systems
- Battery Charger
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | L (µH) | IR (A) | ISAT (A) | fres (MHz) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744062005 | SPEC | 8 files | WE-TPC SMT Tiny Power Inductor | 5 | 2.15 | 2 | 50 | SMT |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Product series | L (µH) | IR (A) | ISAT (A) | fres (MHz) | Mount | Samples |
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