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) | 55V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 52V |
| Current - Output | 1.5A |
| Frequency - Switching | Up to 2MHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
概要
Description
The MP4561DQ-LF-Z is a high-frequency, synchronous, step-down switching regulator from Monolithic Power Systems. It is designed to provide efficient power conversion for a variety of applications, including consumer electronics, industrial controls, and communication devices. The device integrates a 1.5A power switch and operates over a wide input voltage range, making it versatile for different power supply configurations.
Key features include high efficiency, typically over 90%, thanks to its synchronous rectification design, and a fixed output voltage option. It also incorporates protection features such as over-current protection, thermal shutdown, and under-voltage lockout to ensure reliable operation and safeguard the device from damage in abnormal conditions. The MP4561DQ-LF-Z is offered in a compact QFN package, which is ideal for space-constrained applications. Its ease of use, combined with its robust feature set, makes it a popular choice for designers seeking a compact, efficient, and reliable power solution.
Key features include high efficiency, typically over 90%, thanks to its synchronous rectification design, and a fixed output voltage option. It also incorporates protection features such as over-current protection, thermal shutdown, and under-voltage lockout to ensure reliable operation and safeguard the device from damage in abnormal conditions. The MP4561DQ-LF-Z is offered in a compact QFN package, which is ideal for space-constrained applications. Its ease of use, combined with its robust feature set, makes it a popular choice for designers seeking a compact, efficient, and reliable power solution.
Equivalent
The MP4561DQ-LF-Z is a step-down (buck) converter IC. Equivalent products include:
1. LM2596 by Texas Instruments: A 3A step-down voltage regulator.
2. LT8610 by Analog Devices: A 2.5A step-down regulator.
3. TLV62568 by Texas Instruments: A 2A step-down converter.
Check datasheets for specific electrical characteristics and pin compatibility when choosing equivalents.
1. LM2596 by Texas Instruments: A 3A step-down voltage regulator.
2. LT8610 by Analog Devices: A 2.5A step-down regulator.
3. TLV62568 by Texas Instruments: A 2A step-down converter.
Check datasheets for specific electrical characteristics and pin compatibility when choosing equivalents.
Features
The MP4561DQ-LF-Z is a compact, high-efficiency, step-down (buck) converter designed for power management applications. Key features include:
1. Input Voltage Range: It supports a wide input voltage range from 4.5V to 55V, making it versatile for various power supply conditions.
2. Output Current: The device can deliver up to 1.2A of continuous output current, suitable for powering a range of devices.
3. Efficiency: It is designed for high efficiency, often exceeding 90%, which reduces heat generation and enhances performance.
4. Switching Frequency: The MP4561DQ-LF-Z operates at a fixed 340kHz switching frequency, allowing for a compact design with smaller external components.
5. Protection Features: The device includes comprehensive protection features such as over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown, ensuring reliability and safety in operation.
6. Package: It is available in a QFN-10 (3mm x 3mm) package, which is suitable for space-constrained applications.
These features make the MP4561DQ-LF-Z an excellent choice for applications requiring efficient power conversion in a compact form factor.
1. Input Voltage Range: It supports a wide input voltage range from 4.5V to 55V, making it versatile for various power supply conditions.
2. Output Current: The device can deliver up to 1.2A of continuous output current, suitable for powering a range of devices.
3. Efficiency: It is designed for high efficiency, often exceeding 90%, which reduces heat generation and enhances performance.
4. Switching Frequency: The MP4561DQ-LF-Z operates at a fixed 340kHz switching frequency, allowing for a compact design with smaller external components.
5. Protection Features: The device includes comprehensive protection features such as over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown, ensuring reliability and safety in operation.
6. Package: It is available in a QFN-10 (3mm x 3mm) package, which is suitable for space-constrained applications.
These features make the MP4561DQ-LF-Z an excellent choice for applications requiring efficient power conversion in a compact form factor.
Pinout
The MP4561DQ-LF-Z is a DC-DC step-down converter produced by Monolithic Power Systems. It typically comes in a QFN-8 package, which means it has 8 pins. Here is a brief overview of its pin functions:
1. SW (Switch Node): Connects to the inductor and manages switching actions.
2. VIN (Input Voltage): Supplies the input voltage for the converter.
3. GND (Ground): Ground connection for the input and output.
4. FB (Feedback): Receives the feedback voltage from the output for regulation.
5. EN (Enable): Enables or disables the converter. A high level enables the device.
6. COMP (Compensation): Connects to an external RC network to stabilize the control loop.
7. BST (Bootstrap): Provides the gate drive voltage for the high-side switch.
8. NC (No Connect): This pin is not internally connected and can be left floating.
The MP4561DQ-LF-Z is designed to provide an efficient power conversion with a wide input voltage range and is used in various applications like consumer electronics and telecommunications.
1. SW (Switch Node): Connects to the inductor and manages switching actions.
2. VIN (Input Voltage): Supplies the input voltage for the converter.
3. GND (Ground): Ground connection for the input and output.
4. FB (Feedback): Receives the feedback voltage from the output for regulation.
5. EN (Enable): Enables or disables the converter. A high level enables the device.
6. COMP (Compensation): Connects to an external RC network to stabilize the control loop.
7. BST (Bootstrap): Provides the gate drive voltage for the high-side switch.
8. NC (No Connect): This pin is not internally connected and can be left floating.
The MP4561DQ-LF-Z is designed to provide an efficient power conversion with a wide input voltage range and is used in various applications like consumer electronics and telecommunications.
Manufacturer
The MP4561DQ-LF-Z is manufactured by Monolithic Power Systems, Inc. (MPS). MPS is a semiconductor company that specializes in high-performance analog and mixed-signal integrated circuits. They are known for their expertise in developing power management solutions, which are used across a wide range of applications such as automotive, industrial, cloud computing, telecommunications, and consumer electronics. MPS focuses on delivering compact, energy-efficient, and high-performance products to enhance the efficiency and reliability of electronic systems.
Application
The MP4561DQ-LF-Z is a high-frequency step-down converter IC designed for various applications. Its primary application areas include power management in consumer electronics, telecommunications equipment, and industrial systems. It is used in devices that require efficient voltage regulation and step-down conversion from higher input voltages to lower output voltages. This makes it suitable for use in smartphones, tablets, LED drivers, and power supply units. Additionally, its compact design and high efficiency can benefit battery-powered devices by prolonging battery life. Its versatility in handling different input voltages also makes it ideal for embedded systems and IoT devices.
Package
The MP4561DQ-LF-Z is a DC-DC converter from Monolithic Power Systems. It is typically available in a QFN (Quad Flat No-leads) package type, which is compact and suitable for high-density PCB designs.
