사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Not For New Designs |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.75V |
| Voltage-Input(Max) | 18V |
| Voltage-Output(Min/Fixed) | 0.923V |
| Voltage-Output(Max) | 15V |
| Current-Output | 2A |
| Frequency-Switching | 340kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
개요
Description
The MP1482DS-LF-Z is a monolithic, synchronous, step-down switch-mode converter with built-in power MOSFETs. It is designed for a wide range of applications, offering high efficiency and compact size due to its integrated design. The device operates over a wide input voltage range, typically from 4.75V to 18V, making it suitable for various power sources, including batteries and adapters.
Key features include a 2A continuous output current capability, a fast transient response, and a current-mode control for stable operation. The MP1482DS-LF-Z also offers protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout to enhance reliability and safety. Its compact package size allows it to be used in space-limited applications such as portable electronics, telecommunications, and industrial applications.
The device is generally used in applications requiring efficient step-down voltage conversion with minimal external components, making it a popular choice for designers looking to optimize power efficiency and board space.
Key features include a 2A continuous output current capability, a fast transient response, and a current-mode control for stable operation. The MP1482DS-LF-Z also offers protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout to enhance reliability and safety. Its compact package size allows it to be used in space-limited applications such as portable electronics, telecommunications, and industrial applications.
The device is generally used in applications requiring efficient step-down voltage conversion with minimal external components, making it a popular choice for designers looking to optimize power efficiency and board space.
Equivalent
The MP1482DS-LF-Z is a step-down (buck) regulator. Equivalent products might include:
1. TI LM2596: A similar 3A step-down voltage regulator.
2. Microchip MIC4576: Another 3A step-down converter.
3. On Semiconductor MC34063: Though less powerful, is a popular buck converter.
4. Diodes Inc AP1509: Comparable in power and functionality.
Specifications and requirements should be verified to ensure compatibility.
1. TI LM2596: A similar 3A step-down voltage regulator.
2. Microchip MIC4576: Another 3A step-down converter.
3. On Semiconductor MC34063: Though less powerful, is a popular buck converter.
4. Diodes Inc AP1509: Comparable in power and functionality.
Specifications and requirements should be verified to ensure compatibility.
Features
The MP1482DS-LF-Z is a monolithic step-down switch mode converter designed for power-efficient applications. It operates with an input voltage range of 4.75V to 18V and delivers an output current of up to 2A. Key features include a high-efficiency synchronous rectification design, which minimizes power loss, and a fixed 380kHz switching frequency that optimizes performance and reduces component size. The device also offers internal compensation, which simplifies the design process and enhances stability. Other features include cycle-by-cycle over-current protection, thermal shutdown, and an internal soft-start to prevent inrush current during startup. The MP1482DS-LF-Z is housed in a thermally-enhanced SOIC-8 package, allowing for efficient heat dissipation, which is essential for maintaining reliability in compact systems. It is well-suited for a variety of applications, including distributed power systems, battery-powered devices, and general-purpose point-of-load regulation in industrial and consumer electronics.
Pinout
The MP1482DS-LF-Z is a step-down (buck) converter IC. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The functions of the pins are as follows:
1. VIN: Power supply input for the converter.
2. SW: Switch output, connected to the inductor.
3. GND: Ground pin.
4. FB: Feedback input to set output voltage via a resistor divider.
5. COMP: Compensation pin for stability, connected to a capacitor and resistor.
6. EN: Enable pin to turn the device on and off.
7. BOOT: Bootstrap pin to provide a drive voltage higher than the input voltage for the high-side FET.
8. NC: No connection, may be present depending on the specific variant or left as a placeholder.
Always refer to the manufacturer's datasheet for precise and detailed information, as the specifics can vary slightly based on the exact model and revision.
1. VIN: Power supply input for the converter.
2. SW: Switch output, connected to the inductor.
3. GND: Ground pin.
4. FB: Feedback input to set output voltage via a resistor divider.
5. COMP: Compensation pin for stability, connected to a capacitor and resistor.
6. EN: Enable pin to turn the device on and off.
7. BOOT: Bootstrap pin to provide a drive voltage higher than the input voltage for the high-side FET.
8. NC: No connection, may be present depending on the specific variant or left as a placeholder.
Always refer to the manufacturer's datasheet for precise and detailed information, as the specifics can vary slightly based on the exact model and revision.
Manufacturer
The MP1482DS-LF-Z is manufactured by Monolithic Power Systems, Inc. (MPS). MPS is a company that specializes in the development of power management solutions. It designs and manufactures integrated circuits (ICs) that manage power in electronic systems, with a focus on high-performance, cost-effective products. The company serves a wide range of markets, including industrial, automotive, consumer electronics, computing, and telecommunications. MPS is known for its innovative approach to power solutions, often integrating multiple functions into a single chip to enhance efficiency and performance while reducing the footprint and cost of the end product.
Application
The MP1482DS-LF-Z is a DC-DC buck converter, and its application areas typically include power management solutions where efficient voltage conversion is necessary. Common applications are:
1. Consumer Electronics: Used in devices like smartphones, tablets, and laptops for battery management and voltage regulation.
2. Telecommunications: Powers various components in networking equipment and communication devices.
3. Industrial Automation: Provides power regulation in factory automation systems and industrial machinery.
4. Automotive Systems: Used in infotainment systems and other electronic subsystems requiring stable power supplies.
5. Embedded Systems: Supports microcontrollers and other components in various embedded applications.
The converter's efficiency and compact design make it suitable for use in space-constrained environments demanding reliable power regulation.
1. Consumer Electronics: Used in devices like smartphones, tablets, and laptops for battery management and voltage regulation.
2. Telecommunications: Powers various components in networking equipment and communication devices.
3. Industrial Automation: Provides power regulation in factory automation systems and industrial machinery.
4. Automotive Systems: Used in infotainment systems and other electronic subsystems requiring stable power supplies.
5. Embedded Systems: Supports microcontrollers and other components in various embedded applications.
The converter's efficiency and compact design make it suitable for use in space-constrained environments demanding reliable power regulation.
Package
The MP1482DS-LF-Z is typically available in an 8-lead SOIC (Small Outline Integrated Circuit) package. This package type is compact and suitable for surface-mount technology, making it ideal for use in space-constrained applications.
