사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | DC DC Regulator |
| Topology | Step-Down (Buck) |
| InternalSwitch(s) | Yes |
| NumberofOutputs | 1 |
| Voltage-Supply(Min) | 5V |
| Voltage-Supply(Max) | 36V |
| Current-Output/Channel | 3A (Switch) |
| Frequency | 2MHz |
| Dimming | PWM |
| Applications | Backlight, Lighting |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) Exposed Pad |
개요
Description
The MP2480DN-LF-Z is a high-efficiency, step-down (buck) LED driver designed for a variety of lighting applications. It is manufactured by Monolithic Power Systems (MPS) and is optimized for driving high-brightness LEDs efficiently. The device operates with a wide input voltage range, typically from 4.5V to 55V, making it suitable for both automotive and general lighting applications.
Key features of the MP2480DN-LF-Z include high efficiency up to 96%, a programmable LED current via an external resistor, and an integrated power MOSFET to minimize external components. It supports both analog and PWM dimming, providing flexibility in controlling the brightness of connected LEDs.
The MP2480DN-LF-Z is also designed with various protection features, including over-voltage, over-current, and thermal shutdown, enhancing the reliability of the overall LED driver system. Its compact design and ease of use make it an excellent choice for designers looking to implement cost-effective and efficient LED lighting solutions.
Key features of the MP2480DN-LF-Z include high efficiency up to 96%, a programmable LED current via an external resistor, and an integrated power MOSFET to minimize external components. It supports both analog and PWM dimming, providing flexibility in controlling the brightness of connected LEDs.
The MP2480DN-LF-Z is also designed with various protection features, including over-voltage, over-current, and thermal shutdown, enhancing the reliability of the overall LED driver system. Its compact design and ease of use make it an excellent choice for designers looking to implement cost-effective and efficient LED lighting solutions.
Equivalent
The MP2480DN-LF-Z is a DC-DC step-down LED driver from Monolithic Power Systems. Equivalent products may include:
1. TPS92512 from Texas Instruments - A high-brightness LED driver.
2. LT3476 from Analog Devices - Multitopology high-power LED driver.
3. LM3409 from Texas Instruments - High efficiency buck LED driver.
4. AL8806 from Diodes Incorporated - Buck LED driver.
5. PT4115 from PowTech - Step-down constant current LED driver.
Ensure compatibility by checking the specifications and application requirements.
1. TPS92512 from Texas Instruments - A high-brightness LED driver.
2. LT3476 from Analog Devices - Multitopology high-power LED driver.
3. LM3409 from Texas Instruments - High efficiency buck LED driver.
4. AL8806 from Diodes Incorporated - Buck LED driver.
5. PT4115 from PowTech - Step-down constant current LED driver.
Ensure compatibility by checking the specifications and application requirements.
Features
The MP2480DN-LF-Z is a step-down converter with various features tailored for efficient power management. It functions using a wide 4.5V to 55V input voltage range, making it suitable for numerous applications. The converter can deliver up to 1.2A of continuous output current. It employs a high-efficiency internal power switch that helps in minimizing the total power dissipation. The device also features an internal compensation network which simplifies the design process by eliminating the need for external compensation components.
The MP2480DN-LF-Z supports a fixed 340 kHz switching frequency, optimizing the trade-off between efficiency and component size. It also includes cycle-by-cycle current limiting and frequency foldback, adding layers of protection and enhancing reliability under overload conditions. Additionally, the device offers thermal shutdown, output over-voltage protection, and a soft-start feature to prevent inrush current during startup. The converter's compact design and robust feature set make it ideal for use in distributed power systems, battery-powered devices, and general-purpose point-of-load applications.
The MP2480DN-LF-Z supports a fixed 340 kHz switching frequency, optimizing the trade-off between efficiency and component size. It also includes cycle-by-cycle current limiting and frequency foldback, adding layers of protection and enhancing reliability under overload conditions. Additionally, the device offers thermal shutdown, output over-voltage protection, and a soft-start feature to prevent inrush current during startup. The converter's compact design and robust feature set make it ideal for use in distributed power systems, battery-powered devices, and general-purpose point-of-load applications.
Pinout
The MP2480DN-LF-Z is a monolithic step-down switch mode converter with an 8-pin configuration. This device is designed for driving high-brightness LEDs and operates at a fixed 1.3MHz switching frequency, allowing for a compact overall solution. Here is a brief overview of its pin functions:
1. SW (Switch Output): Connects to the inductor and carries the switching current.
2. GND (Ground): Common ground reference for the device.
3. FB (Feedback): Connects to the output LED string for voltage feedback.
4. COMP (Compensation): Connects to an external RC compensation network to stabilize the control loop.
5. EN (Enable): Used to enable or disable the device. A high voltage enables the device.
6. VIN (Input Voltage): Supplies power for the internal circuitry and the switch.
7. SS (Soft Start): Connects to an external capacitor to control the soft-start time.
8. NC (No Connect): Typically not internally connected and can be left floating.
This concise pin description helps in understanding the connection and function of the MP2480DN-LF-Z in LED driver applications.
1. SW (Switch Output): Connects to the inductor and carries the switching current.
2. GND (Ground): Common ground reference for the device.
3. FB (Feedback): Connects to the output LED string for voltage feedback.
4. COMP (Compensation): Connects to an external RC compensation network to stabilize the control loop.
5. EN (Enable): Used to enable or disable the device. A high voltage enables the device.
6. VIN (Input Voltage): Supplies power for the internal circuitry and the switch.
7. SS (Soft Start): Connects to an external capacitor to control the soft-start time.
8. NC (No Connect): Typically not internally connected and can be left floating.
This concise pin description helps in understanding the connection and function of the MP2480DN-LF-Z in LED driver applications.
Manufacturer
The MP2480DN-LF-Z is manufactured by Monolithic Power Systems (MPS). MPS is a company that specializes in designing, developing, and providing high-performance analog and mixed-signal semiconductor solutions. Their products are used in a variety of applications, including power management, battery management, lighting, and automotive sectors, among others. MPS is known for its innovative power solutions that help improve the efficiency and performance of electronic devices.
Application
The MP2480DN-LF-Z is a step-down converter designed for LED driver applications. Its key application areas include:
1. LED Lighting: Used in both residential and commercial LED lighting systems for efficient power conversion and driving LEDs with consistent current.
2. Display Backlighting: Suitable for powering LED backlights in LCD displays, monitors, and televisions.
3. Automotive Lighting: Utilized in automotive lighting systems due to its efficiency and reliability under varying conditions.
4. General Purpose LED Drivers: Can be employed in any application requiring efficient and stable LED driving solutions, including architectural lighting and signage.
Its compact design and high efficiency make it versatile for various LED applications where space and energy efficiency are critical.
1. LED Lighting: Used in both residential and commercial LED lighting systems for efficient power conversion and driving LEDs with consistent current.
2. Display Backlighting: Suitable for powering LED backlights in LCD displays, monitors, and televisions.
3. Automotive Lighting: Utilized in automotive lighting systems due to its efficiency and reliability under varying conditions.
4. General Purpose LED Drivers: Can be employed in any application requiring efficient and stable LED driving solutions, including architectural lighting and signage.
Its compact design and high efficiency make it versatile for various LED applications where space and energy efficiency are critical.
Package
The MP2480DN-LF-Z is typically available in a SOIC-8 (Small Outline Integrated Circuit) package. This package type is designed for surface mount technology, making it suitable for compact electronic circuit designs.
