仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 3.8V |
| Voltage - Input (Max) | 36V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 30V |
| Current - Output | 3.5A |
| Frequency - Switching | Up to 4MHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
概要
Description
The MP4462DQ-LF-Z is a high-frequency step-down switching regulator IC designed by Monolithic Power Systems. It is typically used in applications requiring efficient power conversion from higher voltage inputs to lower voltage outputs. The IC can handle input voltages up to 36V and deliver up to 1.2A of continuous output current, making it suitable for powering a range of devices from battery-powered equipment to industrial systems.
Key features include a wide input voltage range, high efficiency, and a fast transient response. It operates at a fixed high switching frequency, which minimizes the size of external components and aids in achieving compact designs. The MP4462 also offers various protective features, such as over-current protection, over-temperature protection, and under-voltage lockout, enhancing its reliability in diverse operating conditions.
The "LF-Z" suffix indicates that the product is lead-free and RoHS compliant, adhering to environmental standards. The device is commonly used in applications like consumer electronics, telecommunications, and automotive systems.
Key features include a wide input voltage range, high efficiency, and a fast transient response. It operates at a fixed high switching frequency, which minimizes the size of external components and aids in achieving compact designs. The MP4462 also offers various protective features, such as over-current protection, over-temperature protection, and under-voltage lockout, enhancing its reliability in diverse operating conditions.
The "LF-Z" suffix indicates that the product is lead-free and RoHS compliant, adhering to environmental standards. The device is commonly used in applications like consumer electronics, telecommunications, and automotive systems.
Equivalent
The MP4462DQ-LF-Z is a synchronous step-down converter. Equivalent products include the Texas Instruments LM2596 series, the LM2678/LM2675 from Texas Instruments, the LTC3776 from Analog Devices, and the MAX17501 from Maxim Integrated. It’s important to check specific electrical characteristics and package compatibility when considering replacements, as exact equivalents may vary based on application requirements.
Features
The MP4462DQ-LF-Z is a high-frequency step-down switching regulator designed for efficient power conversion. Key features include:
1. Wide Input Voltage Range: Operates from 4.5V to 36V, suitable for various applications.
2. Output Current: Delivers up to 2A of continuous current to the load.
3. High Efficiency: Achieves up to 95% efficiency, minimizing heat generation and energy loss.
4. Switching Frequency: Features a 1.2MHz fixed frequency for smaller external components.
5. Adjustable Output Voltage: Provides flexibility with an adjustable output from 0.8V to 0.9 × VIN.
6. Thermal Protection: Includes thermal shutdown to prevent overheating.
7. Cycle-by-Cycle Current Limiting: Protects against overloading by limiting the peak current cycle-by-cycle.
8. Soft Start: Integrated soft-start function prevents inrush current during startup.
9. Compact Package: Available in a QFN-10 (3mm x 3mm) package, ideal for space-constrained designs.
These features make the MP4462DQ-LF-Z a versatile choice for applications in consumer electronics, telecommunications, and automotive sectors.
1. Wide Input Voltage Range: Operates from 4.5V to 36V, suitable for various applications.
2. Output Current: Delivers up to 2A of continuous current to the load.
3. High Efficiency: Achieves up to 95% efficiency, minimizing heat generation and energy loss.
4. Switching Frequency: Features a 1.2MHz fixed frequency for smaller external components.
5. Adjustable Output Voltage: Provides flexibility with an adjustable output from 0.8V to 0.9 × VIN.
6. Thermal Protection: Includes thermal shutdown to prevent overheating.
7. Cycle-by-Cycle Current Limiting: Protects against overloading by limiting the peak current cycle-by-cycle.
8. Soft Start: Integrated soft-start function prevents inrush current during startup.
9. Compact Package: Available in a QFN-10 (3mm x 3mm) package, ideal for space-constrained designs.
These features make the MP4462DQ-LF-Z a versatile choice for applications in consumer electronics, telecommunications, and automotive sectors.
Pinout
The MP4462DQ-LF-Z is a high-frequency step-down switching regulator from Monolithic Power Systems. It features a 10-pin QFN (Quad Flat No-leads) package. This regulator is designed for applications that require a compact solution and efficient power conversion.
The main functions of the MP4462 include:
1. Step-Down Conversion: Converts a higher input voltage to a lower output voltage efficiently.
2. High Switching Frequency: Allows for the use of smaller external components, contributing to a compact design.
3. Adjustable Output: Provides flexibility to set the desired output voltage.
4. Internal Compensation: Simplifies the design and reduces the need for external components.
5. Overcurrent Protection: Ensures the circuit is protected from load faults.
6. Thermal Shutdown: Prevents overheating by shutting down the device if it exceeds a safe temperature.
This device is commonly used in various applications, including consumer electronics, telecommunications, and industrial equipment, due to its compact size and reliable performance.
The main functions of the MP4462 include:
1. Step-Down Conversion: Converts a higher input voltage to a lower output voltage efficiently.
2. High Switching Frequency: Allows for the use of smaller external components, contributing to a compact design.
3. Adjustable Output: Provides flexibility to set the desired output voltage.
4. Internal Compensation: Simplifies the design and reduces the need for external components.
5. Overcurrent Protection: Ensures the circuit is protected from load faults.
6. Thermal Shutdown: Prevents overheating by shutting down the device if it exceeds a safe temperature.
This device is commonly used in various applications, including consumer electronics, telecommunications, and industrial equipment, due to its compact size and reliable performance.
Manufacturer
The MP4462DQ-LF-Z is manufactured by Monolithic Power Systems (MPS). MPS is a semiconductor company that specializes in designing, developing, and marketing integrated power solutions. The company is known for its expertise in power management technology, providing products that are used in a variety of applications, including consumer electronics, industrial applications, automotive, and telecommunications. MPS focuses on delivering high-performance and energy-efficient solutions, leveraging its proprietary process technology and innovative design capabilities.
Application
The MP4462DQ-LF-Z is a high-frequency step-down switching regulator primarily used in applications requiring efficient power management. Its application areas include:
1. Consumer Electronics: Power supply for devices such as tablets, smartphones, and cameras.
2. Industrial Equipment: Utilized in systems requiring stable power delivery and high efficiency.
3. Telecommunications: Provides power for networking equipment and wireless communication devices.
4. Automotive Systems: Used in infotainment systems and other automotive electronics.
5. Computing: Power management for CPUs, GPUs, and other computing components.
Its compact size and high efficiency make it suitable for use in space-constrained applications.
1. Consumer Electronics: Power supply for devices such as tablets, smartphones, and cameras.
2. Industrial Equipment: Utilized in systems requiring stable power delivery and high efficiency.
3. Telecommunications: Provides power for networking equipment and wireless communication devices.
4. Automotive Systems: Used in infotainment systems and other automotive electronics.
5. Computing: Power management for CPUs, GPUs, and other computing components.
Its compact size and high efficiency make it suitable for use in space-constrained applications.
Package
The MP4462DQ-LF-Z typically comes in a QFN (Quad Flat No-Lead) package. This type of packaging is designed to offer a compact and efficient form factor for electronic components, providing good thermal performance and electrical characteristics.
