仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Not For New Designs |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 16V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 14.72V |
| Current - Output | 3A |
| Frequency - Switching | 500kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
概要
Description
The MP1471AGJ-Z is a high-efficiency, synchronous step-down converter designed for power management applications. It is known for its wide input voltage range, typically from 4V to 16V, making it suitable for various applications including consumer electronics and industrial equipment. The device can deliver up to 3A of continuous output current, making it effective for powering various digital loads.
One of the key features of the MP1471AGJ-Z is its high efficiency, which is achieved through synchronous rectification and a low quiescent current. It operates at a fixed 500kHz switching frequency, balancing efficiency and component size. The device also includes internal compensation and soft-start features, simplifying the design process.
Protection features of the MP1471AGJ-Z include over-current protection, short-circuit protection, and thermal shutdown, ensuring reliable operation under various conditions. The device comes in a compact, thermally enhanced package, making it suitable for space-constrained applications. Overall, the MP1471AGJ-Z offers a robust solution for power conversion needs with its efficiency and protection capabilities.
One of the key features of the MP1471AGJ-Z is its high efficiency, which is achieved through synchronous rectification and a low quiescent current. It operates at a fixed 500kHz switching frequency, balancing efficiency and component size. The device also includes internal compensation and soft-start features, simplifying the design process.
Protection features of the MP1471AGJ-Z include over-current protection, short-circuit protection, and thermal shutdown, ensuring reliable operation under various conditions. The device comes in a compact, thermally enhanced package, making it suitable for space-constrained applications. Overall, the MP1471AGJ-Z offers a robust solution for power conversion needs with its efficiency and protection capabilities.
Equivalent
The MP1471AGJ-Z is a step-down converter IC. Equivalent products might include:
1. LM2596 from Texas Instruments: A popular step-down voltage regulator.
2. LTC3770 from Analog Devices: A synchronous step-down controller.
3. TPS54331 from Texas Instruments: A 3-A, 28-V step-down converter.
4. AP1509 from Diodes Incorporated: A step-down converter with a fixed 150 kHz switching frequency.
Ensure compatibility by checking specific requirements such as voltage, current ratings, and package type.
1. LM2596 from Texas Instruments: A popular step-down voltage regulator.
2. LTC3770 from Analog Devices: A synchronous step-down controller.
3. TPS54331 from Texas Instruments: A 3-A, 28-V step-down converter.
4. AP1509 from Diodes Incorporated: A step-down converter with a fixed 150 kHz switching frequency.
Ensure compatibility by checking specific requirements such as voltage, current ratings, and package type.
Features
The MP1471AGJ-Z is a high-efficiency, step-down, synchronous, DC-DC converter designed for a wide range of applications. Key features include:
1. Wide Input Voltage Range: Supports 4.5V to 18V, suitable for various power sources.
2. Output Current: Capable of delivering up to 3A continuous output current.
3. Efficiency: High efficiency with synchronous rectification, reducing power loss.
4. Switching Frequency: Operates at a 500kHz fixed switching frequency, optimizing the trade-off between efficiency and component size.
5. Output Voltage: Adjustable output voltage ranging from 0.8V to 15V, providing flexibility for different needs.
6. Protection Features: Includes over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown, ensuring reliability and safety.
7. Soft-Start: Integrated soft-start function to minimize inrush current.
8. Compact Package: Available in a small-size QFN-8 (3mm x 3mm) package, suitable for space-constrained applications.
9. Applications: Ideal for use in distributed power systems, battery-powered devices, and other consumer electronics.
These features make the MP1471AGJ-Z a versatile and reliable choice for various power management solutions.
1. Wide Input Voltage Range: Supports 4.5V to 18V, suitable for various power sources.
2. Output Current: Capable of delivering up to 3A continuous output current.
3. Efficiency: High efficiency with synchronous rectification, reducing power loss.
4. Switching Frequency: Operates at a 500kHz fixed switching frequency, optimizing the trade-off between efficiency and component size.
5. Output Voltage: Adjustable output voltage ranging from 0.8V to 15V, providing flexibility for different needs.
6. Protection Features: Includes over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown, ensuring reliability and safety.
7. Soft-Start: Integrated soft-start function to minimize inrush current.
8. Compact Package: Available in a small-size QFN-8 (3mm x 3mm) package, suitable for space-constrained applications.
9. Applications: Ideal for use in distributed power systems, battery-powered devices, and other consumer electronics.
These features make the MP1471AGJ-Z a versatile and reliable choice for various power management solutions.
Pinout
The MP1471AGJ-Z is a monolithic step-down switch mode converter with an integrated power MOSFET. It is designed for use in various applications requiring efficient power management. The device typically comes in a small footprint package with 8 pins. Here’s a concise breakdown of its pin functions:
1. VIN: Supply voltage input.
2. SW: Switching node, connected to the inductor.
3. EN: Enable pin to turn the converter on/off.
4. FB: Feedback input for adjusting the output voltage.
5. GND: Ground connection.
6. COMP: Compensation pin for stability and response tuning.
7. BST: Bootstrap capacitor connection for driving the gate of the internal high-side MOSFET.
8. SYNC: Synchronization pin for an external clock signal.
These pins facilitate the converter's operation, allowing it to step down input voltage to a desired output level with high efficiency.
1. VIN: Supply voltage input.
2. SW: Switching node, connected to the inductor.
3. EN: Enable pin to turn the converter on/off.
4. FB: Feedback input for adjusting the output voltage.
5. GND: Ground connection.
6. COMP: Compensation pin for stability and response tuning.
7. BST: Bootstrap capacitor connection for driving the gate of the internal high-side MOSFET.
8. SYNC: Synchronization pin for an external clock signal.
These pins facilitate the converter's operation, allowing it to step down input voltage to a desired output level with high efficiency.
Manufacturer
The MP1471AGJ-Z is manufactured by Monolithic Power Systems, Inc. (MPS). MPS is a semiconductor company that specializes in high-performance, integrated power solutions. They design and develop proprietary power management solutions for a variety of electronic devices, including those used in industrial applications, telecommunications, cloud computing, automotive, consumer electronics, and other fields. MPS is known for its focus on providing energy-efficient, compact, and cost-effective power solutions.
Application
The MP1471AGJ-Z is a high-frequency, synchronous, step-down switching regulator designed primarily for use in power management applications. Typical application areas include consumer electronics, such as smartphones and tablets, where efficient power conversion is crucial. It is also used in computing devices, networking equipment, and industrial automation systems, providing regulated power supplies for microcontrollers, FPGAs, and ASICs. Additionally, its compact size and high efficiency make it suitable for portable and battery-powered devices, as well as point-of-load applications in distributed power systems. Its versatility allows it to be employed in various scenarios that require reliable and efficient DC-DC conversion.
Package
The MP1471AGJ-Z is typically available in a TSOT-23-6 package, which is a small outline transistor package with six terminals.
