Overview
The MP2307DN-LF-Z is a monolithic synchronous buck regulator produced by Monolithic Power Systems Inc. This device is designed to provide efficient and reliable voltage regulation in a compact package. It integrates 100mΩ MOSFETs, enabling a continuous load current of 3A and a peak output current of 4A. The MP2307 operates over a wide input voltage range of 4.75V to 23V, making it versatile for various applications. The regulator uses current-mode control, which ensures fast transient response and cycle-by-cycle current limit. Additionally, it features an adjustable soft-start to prevent inrush current and a low shutdown current of less than 1µA.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Input Voltage Range | 4.75 | - | 23 | V |
| Output Current (Continuous) | - | - | 3 | A |
| Output Current (Peak) | - | - | 4 | A |
| Output Voltage Range | 0.925 | - | 20 | V |
| Switching Frequency | 300 | 340 | 380 | KHz |
| MOSFET On-Resistance | - | - | 100 | mΩ |
| Efficiency | - | - | Up to 95% | % |
| Soft-Start Current | - | - | 6 | µA |
| Soft-Start Period (CSS = 0.1µF) | - | - | 15 | ms |
| Thermal Shutdown | - | - | 160 | °C |
| Package Type | - | - | 8-Pin SOIC | - |
Key Features
- Integrated 100mΩ power MOSFET switches
- Output voltage adjustable from 0.925V to 20V
- Up to 95% efficiency
- Programmable soft-start to prevent inrush current
- Stable with low ESR ceramic output capacitors
- Fixed 340KHz switching frequency
- Cycle-by-cycle over current protection
- Input under voltage lockout
- Thermally enhanced 8-pin SOIC package
Applications
- Distributed power systems
- Networking systems
- FPGA, DSP, ASIC power supplies
- Green electronics and appliances
- Notebook computers
Q & A
- What is the input voltage range of the MP2307DN-LF-Z? The input voltage range is from 4.75V to 23V.
- What is the continuous output current of the MP2307DN-LF-Z? The continuous output current is 3A.
- What is the peak output current of the MP2307DN-LF-Z? The peak output current is 4A.
- What is the switching frequency of the MP2307DN-LF-Z? The switching frequency is fixed at 340KHz.
- Does the MP2307DN-LF-Z have over current protection? Yes, it has cycle-by-cycle over current protection.
- What is the efficiency of the MP2307DN-LF-Z? The efficiency can be up to 95%.
- What type of package does the MP2307DN-LF-Z come in? It comes in an 8-pin SOIC package.
- Does the MP2307DN-LF-Z have a soft-start feature? Yes, it has a programmable soft-start feature.
- What is the thermal shutdown temperature of the MP2307DN-LF-Z? The thermal shutdown temperature is 160°C.
- What are some common applications of the MP2307DN-LF-Z? Common applications include distributed power systems, networking systems, FPGA, DSP, ASIC power supplies, green electronics, and notebook computers.
