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Overview
| Topology | Buck Converter |
| Input voltage | 4.5-24 V |
| Switching frequency | 1200-1700 kHz |
| Output 1 | 3.3 V / 1 A |
| IC revision | 1.21 |
Description
The MP2359 is a monolithic step-down switch mode converter with a built-in power MOSFET. It achieves 1.2A peak output current over a wide input supply range with excellent load and line regulation. Current mode operation provides fast transient response and eases loop stabilization. Fault condition protection includes cycle-by-cycle current limiting and thermal shutdown.The MP2359 requires a minimum number of readily available standard external components. The MP2359 is available in TSOT23-6 and SOT23-6 packages.
Features
- 1.2A Peak Output Current
- 0.35Ω Internal 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 SOT23-6Packages
Typical applications
- Distributed Power Systems
- Pre-Regulator for Linear Regulators
- WLED Drivers
- Battery Charger