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Overview
| Topology | Buck Converter |
| Input voltage | 4.5-55 V |
| Switching frequency | 380-580 kHz |
| Output 1 | 3.3 V / 0.5 A |
| IC revision | 1.01 |
Description
The MP2459 is a monolithic, step,down, switch,mode converter with a built,in power MOSFET. It achieves a 0.5A peak,output current over a wide input supply range with excellent load and line regulation. Current,mode operation provides a fast transient response and eases loop stabilization. Fault condition protections include cycle,by,cycle current limiting and thermal shutdown.The MP2459 requires a minimal number of readily,available external components. The MP2459 is available in a TSOT23,6 package.
Features
- 0.5A Peak Output Current
- 15 Internal Power MOSFET
- Stable with Low,ESR Ceramic Output Capacitors
- Up to 90% Efficiency
- 0.18A Shutdown Mode
- Fixed 480kHz Frequency
- Thermal Shutdown
- Cycle,by,Cycle Over,Current Protection
- Wide 4.5V,to,55V Operating Input Range
- Output Adjustable from 0.81V to 0.95*VIN
- Available in a TSOT23,6 Package
Typical applications
- Power Meters
- Battery Chargers
- Distributed Power Systems
- WLED Drivers
- Pre,Regulator for Linear Regulators
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IR (A) | ISAT (A) | fres (MHz) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744042100 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TPC SMT Tiny Power Inductor | 10 | 1.3 | 1 | 45 | SMT | ||
| 744052150 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TPC SMT Tiny Power Inductor | 15 | 0.95 | 1.1 | 30 | SMT | ||
 | 744053220 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TPC SMT Tiny Power Inductor | 22 | 1.15 | 0.9 | 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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