仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 55V |
| Voltage-Output(Min/Fixed) | 1V |
| Voltage-Output(Max) | 49.5V |
| Current-Output | 3A |
| Frequency-Switching | 520kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 20-TSSOP (0.173, 4.40mm Width) Exposed Pad |
概要
Description
The MP4570GF-Z is a high-performance, synchronous step-down converter designed for efficient power management in electronic applications. Key features include a wide input voltage range, typically from 4.5V to 60V, allowing it to accommodate various power sources. Its output current capability is typically around 0.6A, making it suitable for low to medium power applications.
The device operates with high efficiency, often above 90%, due to its synchronous rectification architecture, which minimizes power loss. It also features a fixed switching frequency, usually in the range of 500kHz to 1MHz, ensuring fast transient response and minimal output ripple.
Additional features of the MP4570GF-Z include internal soft-start, over-current protection, thermal shutdown, and under-voltage lockout, enhancing reliability and safety. Its compact package and minimal external components make it an ideal choice for space-constrained designs, such as portable devices and automotive applications.
The MP4570GF-Z is widely used in applications requiring stable and efficient voltage regulation, making it a versatile component in modern electronic circuit design.
The device operates with high efficiency, often above 90%, due to its synchronous rectification architecture, which minimizes power loss. It also features a fixed switching frequency, usually in the range of 500kHz to 1MHz, ensuring fast transient response and minimal output ripple.
Additional features of the MP4570GF-Z include internal soft-start, over-current protection, thermal shutdown, and under-voltage lockout, enhancing reliability and safety. Its compact package and minimal external components make it an ideal choice for space-constrained designs, such as portable devices and automotive applications.
The MP4570GF-Z is widely used in applications requiring stable and efficient voltage regulation, making it a versatile component in modern electronic circuit design.
Equivalent
The MP4570GF-Z is a high-efficiency, step-down, DC-DC converter chip. Some equivalent products include:
1. Texas Instruments LM2596 - A step-down voltage regulator.
2. ON Semiconductor MC34063 - A versatile DC-DC converter.
3. STMicroelectronics L4971 - A step-down switching regulator.
4. Microchip Technology MCP16301 - A synchronous buck regulator.
These equivalents may differ slightly in specifications, so it's important to verify compatibility with your specific application requirements.
1. Texas Instruments LM2596 - A step-down voltage regulator.
2. ON Semiconductor MC34063 - A versatile DC-DC converter.
3. STMicroelectronics L4971 - A step-down switching regulator.
4. Microchip Technology MCP16301 - A synchronous buck regulator.
These equivalents may differ slightly in specifications, so it's important to verify compatibility with your specific application requirements.
Features
The MP4570GF-Z is a high-efficiency, monolithic synchronous buck converter designed by Monolithic Power Systems. This compact device is suitable for a variety of applications due to its robust set of features:
1. Wide Input Voltage Range: Supports 4.5V to 60V, making it versatile for different power sources.
2. Output Current: Delivers up to 3A continuous output current.
3. High Efficiency: Achieves up to 95% efficiency, optimizing power usage.
4. Switching Frequency: Operates at a fixed 500kHz switching frequency, balancing efficiency and component size.
5. Integrated High-Side and Low-Side MOSFETs: Reduces the need for external components, simplifying the design.
6. Protection Features: Includes over-current protection (OCP), over-voltage protection (OVP), under-voltage lockout (UVLO), and thermal shutdown.
7. Soft Start: Built-in soft-start function to prevent inrush current during startup.
8. Compact Package: Available in a compact, 16-pin QFN package, making it ideal for space-constrained applications.
These features make the MP4570GF-Z suitable for applications in automotive, industrial, and consumer electronics.
1. Wide Input Voltage Range: Supports 4.5V to 60V, making it versatile for different power sources.
2. Output Current: Delivers up to 3A continuous output current.
3. High Efficiency: Achieves up to 95% efficiency, optimizing power usage.
4. Switching Frequency: Operates at a fixed 500kHz switching frequency, balancing efficiency and component size.
5. Integrated High-Side and Low-Side MOSFETs: Reduces the need for external components, simplifying the design.
6. Protection Features: Includes over-current protection (OCP), over-voltage protection (OVP), under-voltage lockout (UVLO), and thermal shutdown.
7. Soft Start: Built-in soft-start function to prevent inrush current during startup.
8. Compact Package: Available in a compact, 16-pin QFN package, making it ideal for space-constrained applications.
These features make the MP4570GF-Z suitable for applications in automotive, industrial, and consumer electronics.
Pinout
The MP4570GF-Z is a monolithic step-down switch mode converter with a 3A continuous output current and a wide input supply voltage range. It is designed for applications requiring high efficiency and fine-tuning of output voltage with minimal external components. The device typically comes in a TSOT23-6 package, which means it has 6 pins.
The pin functions are generally as follows:
1. VIN: Input voltage supply.
2. SW: Switch output, connected to the inductor.
3. GND: Ground.
4. FB: Feedback input for setting the output voltage via an external resistor divider.
5. EN: Enable input to turn the device on or off.
6. BST: Bootstrap capacitor connection for driving the high-side FET.
These functions help achieve the desired performance in voltage regulation applications, providing flexibility and efficiency in power conversion tasks.
The pin functions are generally as follows:
1. VIN: Input voltage supply.
2. SW: Switch output, connected to the inductor.
3. GND: Ground.
4. FB: Feedback input for setting the output voltage via an external resistor divider.
5. EN: Enable input to turn the device on or off.
6. BST: Bootstrap capacitor connection for driving the high-side FET.
These functions help achieve the desired performance in voltage regulation applications, providing flexibility and efficiency in power conversion tasks.
Manufacturer
The MP4570GF-Z is manufactured by Monolithic Power Systems (MPS). MPS is a semiconductor company known for designing and providing high-performance power solutions. It specializes in developing integrated circuits (ICs) for a wide variety of applications, including automotive, industrial, consumer, and telecommunications. The company is recognized for its expertise in analog and mixed-signal semiconductor solutions, particularly in power management technology. MPS aims to deliver energy-efficient and reliable products to enhance the performance of electronic devices.
Application
The MP4570GF-Z is a DC-DC buck converter, typically used in applications requiring efficient voltage regulation. Key application areas include:
1. Consumer Electronics: Used in devices like smartphones, tablets, and laptops for efficient power management.
2. Industrial Automation: Powers sensors and control systems requiring stable voltage outputs.
3. Telecommunications: Supports network equipment by providing reliable power to communication systems.
4. Automotive Systems: Used in infotainment systems and other electronic modules for optimal power conversion.
5. Renewable Energy: Assists in solar and wind power systems by managing energy storage and conversion efficiently.
Its compact size and high efficiency make it suitable for space-constrained and energy-sensitive applications.
1. Consumer Electronics: Used in devices like smartphones, tablets, and laptops for efficient power management.
2. Industrial Automation: Powers sensors and control systems requiring stable voltage outputs.
3. Telecommunications: Supports network equipment by providing reliable power to communication systems.
4. Automotive Systems: Used in infotainment systems and other electronic modules for optimal power conversion.
5. Renewable Energy: Assists in solar and wind power systems by managing energy storage and conversion efficiently.
Its compact size and high efficiency make it suitable for space-constrained and energy-sensitive applications.
Package
The MP4570GF-Z is typically available in a SOIC-8 (Small Outline Integrated Circuit) package. This package type is commonly used for surface-mounted integrated circuits and features 8 pins.
