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Overview
| Topology | Buck Converter |
| Input voltage | 4.75-18 V |
| Switching frequency | 305-375 kHz |
| Output 1 | 3.3 V / 2 A |
| IC revision | 1.31 |
Description
The MP1482 is a monolithic synchronous buck regulator. The device integrates two 130mΩ MOSFETs, and provides 2A of continuous loadcurrent over a wide input voltage of 4.75V to 18V. Current mode control provides fast transient response and cycle-by-cycle current limit.
An adjustable soft-start prevents inrush current at turn-on, and in shutdown mode the supply current drops to 1µA.
This device, available in an 8-pin SOIC package, provides a very compact solution with minimal external components.
Features
- 2A Output Current
- Wide 4.75V to 18V Operating Input Range
- Integrated 130mΩ Power MOSFET Switches
- Output Adjustable from 0.923V to 15V
- Up to 93% Efficiency
- Programmable Soft-Start
- Stable with Low ESR Ceramic Output Capacitors
- Fixed 340kHz Frequency
- Cycle-by-Cycle Over Current Protection
- Input Under Voltage Lockout
- 8–Pin SOIC
Typical applications
- Networking Systems
- Distributed Power Systems
- FPGA, DSP, ASIC Power Supplies
- Notebook Computers
- Green Electronics/ Appliances
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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