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MP2481DH-LF-Z
+StücklisteIC LED DRVR RGLTR PWM 1.2A 8MSOP
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HerstellerMonolithic Power Systems Inc.
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Herstellerteil #MP2481DH-LF-Z
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Paket MSOP-8
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Auf Lager3723
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Type | DC DC Regulator |
| Topology | Step-Down (Buck) |
| Internal Switch(s) | Yes |
| Number of Outputs | 1 |
| Voltage - Supply (Min) | 4.5V |
| Voltage - Supply (Max) | 36V |
| Current - Output / Channel | 1.2A |
| Frequency | 1.4MHz |
| Dimming | Analog, PWM |
| Applications | Automotive, Backlight, Lighting |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Übersicht
Description
Additional features include a wide input voltage range, typically from 4.5V to 55V, which makes it suitable for various applications such as automotive, industrial, and architectural lighting. The MP2481DH-LF-Z offers excellent thermal performance and over-current protection, enhancing overall system reliability. It also features a high switching frequency up to 1MHz, allowing the use of smaller external components and reducing the overall solution size.
The device is available in a thermally-enhanced SOIC-8 package, which helps in heat dissipation and ensures robust performance in demanding environments. This LED driver is ideal for applications where efficiency, compactness, and reliability are critical.
Equivalent
1. Texas Instruments LM3405: A constant current buck converter for driving high-brightness LEDs.
2. ON Semiconductor NCP3066: A monolithic switching regulator for LED and general-purpose applications.
3. Diodes Incorporated AL8805: A constant current step-down regulator for driving high-power LEDs.
Ensure to verify specifications like input voltage, output current, and features for compatibility.
Features
1. Wide Input Voltage Range: Supports 4.5V to 55V, accommodating various power sources.
2. High Efficiency: Delivers up to 97% efficiency, optimizing energy use and reducing heat output.
3. Constant Current Output: Provides stable and consistent current to LEDs, ensuring uniform brightness.
4. Integrated Power MOSFET: Minimizes external components, aiding in compact circuit design.
5. Dimming Capabilities: Offers PWM and analog dimming options, allowing flexible brightness control.
6. Protection Features: Includes over-voltage, over-current, and thermal shutdown protections, enhancing safety and reliability.
7. High Switching Frequency: Operates at a high frequency of up to 2MHz, reducing the size of external components.
8. Compact Package: Housed in an 8-pin SOIC package with exposed pad, facilitating efficient thermal management.
These features make the MP2481DH-LF-Z ideal for automotive, architectural, and display lighting applications where efficiency and reliability are crucial.
Pinout
Key features include:
1. Wide input voltage range: 4.5V to 55V.
2. High efficiency up to 97%.
3. Internal 4.5A power switch.
4. High-side current sense.
5. Cycle-by-cycle current limiting.
6. Open and short LED protection.
7. Thermal shutdown protection.
This IC is suitable for a variety of applications, including automotive lighting, general illumination, and architectural lighting systems.
Manufacturer
Application
1. LED Lighting: Used in general lighting solutions such as residential, commercial, and industrial fixtures.
2. Automotive Lighting: Suitable for automotive interior and exterior lighting systems.
3. Display Backlighting: Utilized in LCD backlighting for TVs, monitors, and other display panels.
4. Architectural Lighting: Employed in decorative and functional architectural lighting projects.
5. Signage and Advertising: Powers LED systems in signs and advertising displays.
This driver is favored for its reliability, efficiency, and compact design, making it versatile for various LED-based applications.