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Overview
| Topology | Buck Converter |
| Input voltage | 4.75-18 V |
| Switching frequency | 305-375 kHz |
| Output 1 | 1.8 V / 2 A |
| IC revision | 1.0 |
Description
The MP1472 is a monolithic synchronous buck regulator. The device integrates a 175mΩ high-side MOSFET and a 115mΩ low-side MOSFET that provide 2A of continuous load current 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 TSOT23-8 package, provides a very compact solution with minimal external components.
Features
- 2A Output Current
- Wide 4.75V to 18V Operating Input Range
- Integrated Power MOSFET Switches
- Output Adjustable from 0.923V to 15V
- Up to 95% 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 TSOT23-8
Typical applications
- Notebook Computers
- Distributed Power Systems
- FPGA, DSP, ASIC Power Supplies
- Networking Systems
- Green Electronics/ Appliances
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IR (A) | ISAT (A) | fres (MHz) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7440650068 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TPC SMT Tiny Power Inductor | 6.8 | 4.2 | 3.6 | 30 | SMT |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7440650068 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IR (A) | ISAT (A) | fres (MHz) | Mount | Samples |
|---|