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) | 26V |
| Voltage-Output(Min/Fixed) | 0.6V |
| Voltage-Output(Max) | 5.5V |
| Current-Output | 8A |
| Frequency-Switching | 700kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 12-PowerVFQFN |
概要
Description
The MP8759GD-Z is a high-efficiency, synchronous, step-down switching regulator. It is designed for applications requiring compact solutions and high current delivery, making it suitable for use in a wide range of electronic devices, including consumer electronics, telecom, and industrial applications. The device operates from a 4.5V to 18V input voltage range and can deliver up to 9A of continuous output current with excellent line and load regulation.
Key features include a 100kHz to 2.2MHz adjustable switching frequency, which allows for optimization between efficiency and component size. The MP8759GD-Z integrates both high-side and low-side MOSFETs, reducing the need for external components and improving overall efficiency. Its adaptive constant-on-time control provides fast transient response and ease of use.
Protection features such as over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown are integrated to enhance reliability. The device comes in a compact QFN package, facilitating space-constrained designs. Overall, the MP8759GD-Z is a versatile solution for modern power management needs.
Key features include a 100kHz to 2.2MHz adjustable switching frequency, which allows for optimization between efficiency and component size. The MP8759GD-Z integrates both high-side and low-side MOSFETs, reducing the need for external components and improving overall efficiency. Its adaptive constant-on-time control provides fast transient response and ease of use.
Protection features such as over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown are integrated to enhance reliability. The device comes in a compact QFN package, facilitating space-constrained designs. Overall, the MP8759GD-Z is a versatile solution for modern power management needs.
Equivalent
The MP8759GD-Z is a high-frequency, synchronous, step-down, switch-mode converter from Monolithic Power Systems. Equivalent products typically include similar step-down DC-DC converters from other manufacturers. Examples include the TPS54302 from Texas Instruments, the LM3671 from Texas Instruments, the LTC3639 from Analog Devices, and the RT9169 from Richtek. These alternatives offer similar functionality but may differ in specific features like current rating, voltage range, or package type. Always check the datasheets to ensure compatibility with your application.
Features
The MP8759GD-Z is a DC-DC buck converter designed for efficient power management in electronic devices. Key features include:
1. Input Voltage Range: Operates from 2.7V to 6V, suitable for various power sources such as batteries and adapters.
2. Output Current: Supports up to 3A continuous output current, making it suitable for powering processors and other components.
3. Efficiency: High efficiency up to 96%, minimizing energy loss and heat generation.
4. Switching Frequency: Operates at a 1.5MHz fixed switching frequency, allowing for smaller external components and a compact design.
5. Modes of Operation: Features PWM (Pulse Width Modulation) mode for high efficiency under full load and PFM (Pulse Frequency Modulation) mode for power saving during light load conditions.
6. Protection Features: Includes over-current protection, over-temperature protection, and under-voltage lockout to ensure reliable operation.
7. Soft-start Function: Integrated soft-start minimizes inrush current during startup.
8. Compact Package: Available in a small footprint, suitable for space-constrained applications.
These features make the MP8759GD-Z ideal for portable electronics, communication devices, and other applications requiring efficient power conversion.
1. Input Voltage Range: Operates from 2.7V to 6V, suitable for various power sources such as batteries and adapters.
2. Output Current: Supports up to 3A continuous output current, making it suitable for powering processors and other components.
3. Efficiency: High efficiency up to 96%, minimizing energy loss and heat generation.
4. Switching Frequency: Operates at a 1.5MHz fixed switching frequency, allowing for smaller external components and a compact design.
5. Modes of Operation: Features PWM (Pulse Width Modulation) mode for high efficiency under full load and PFM (Pulse Frequency Modulation) mode for power saving during light load conditions.
6. Protection Features: Includes over-current protection, over-temperature protection, and under-voltage lockout to ensure reliable operation.
7. Soft-start Function: Integrated soft-start minimizes inrush current during startup.
8. Compact Package: Available in a small footprint, suitable for space-constrained applications.
These features make the MP8759GD-Z ideal for portable electronics, communication devices, and other applications requiring efficient power conversion.
Pinout
The MP8759GD-Z is a monolithic step-down switch mode converter with integrated power MOSFETs. It typically comes in a 12-pin QFN (Quad Flat No-leads) package. The main function of the MP8759GD-Z is to provide a regulated output voltage from a higher input voltage while offering high efficiency. It is used in applications such as distributed power systems, networking, and computing systems. Key features include high efficiency, fast transient response, and reliability, making it suitable for a variety of power management applications. For specific pin assignments and detailed functions, referring to the manufacturer's datasheet is recommended.
Manufacturer
The MP8759GD-Z is manufactured by Monolithic Power Systems, Inc. (MPS). MPS is a semiconductor company that specializes in high-performance, integrated power solutions. Their products are used across a variety of applications, including consumer electronics, telecommunications, industrial solutions, and automotive markets. MPS focuses on providing advanced power management technology to improve energy efficiency and overall performance in electronic systems.
Application
The MP8759GD-Z is a high-efficiency, step-down, DC-DC converter commonly used in various applications. Its application areas include powering microprocessors, FPGAs, DSPs, and ASICs in computing and telecommunications equipment. It is also used in distributed power systems, industrial control systems, and networking devices. Additionally, it is suitable for use in consumer electronics, such as laptops, tablets, and gaming devices, where a compact, efficient power supply is necessary. This converter is valued for its ability to deliver stable power with high efficiency in a small form factor, making it ideal for space-constrained applications.
Package
The MP8759GD-Z is typically available in a QFN (Quad Flat No-Lead) package. This type of package is commonly used for integrated circuits and provides a compact footprint with good thermal and electrical performance.
