Category: Integrated Circuit (IC)
Use: The LM3404HVMR/NOPB is a high-voltage buck regulator designed for driving high-power LEDs. It provides efficient and precise control of LED current in various lighting applications.
Characteristics: - High voltage input range - Adjustable output current - Wide dimming range - Internal compensation - Thermal shutdown protection - Small form factor
Package: The LM3404HVMR/NOPB is available in a compact 8-pin SOIC package, which ensures ease of integration into LED driver circuits.
Essence: This IC serves as a crucial component in LED lighting systems, enabling efficient power conversion and accurate current regulation for optimal LED performance.
Packaging/Quantity: The LM3404HVMR/NOPB is typically sold in reels containing 2500 units per reel.
The LM3404HVMR/NOPB features the following pin configuration:
___________
| |
NC |1 8| VCC
EN |2 7| GND
FB |3 6| DIM
VIN|4 5| SW
|___________|
Advantages: - Wide input voltage range accommodates various power sources. - Efficient power conversion minimizes energy loss. - Compact package size enables space-saving designs. - Precise current regulation ensures optimal LED performance. - Flexible dimming options provide versatile lighting control.
Disadvantages: - Limited maximum output current may not be suitable for high-power LED applications. - Requires external components for proper operation. - Higher cost compared to non-integrated LED driver solutions.
The LM3404HVMR/NOPB operates as a buck regulator, converting the higher input voltage to a lower regulated output voltage required for driving LEDs. It utilizes a switching transistor to control the current flow through the LEDs, achieving efficient power conversion. The feedback pin (FB) is used to sense the LED current and regulate it by adjusting the duty cycle of the switching transistor. The dimming control pin (DIM) allows for analog or pulse-width modulation (PWM) dimming of the LEDs.
The LM3404HVMR/NOPB finds extensive application in various lighting systems, including: 1. Automotive lighting 2. Street lighting 3. Architectural lighting 4. Industrial lighting 5. Signage lighting 6. Display backlighting
Its ability to handle high input voltages and provide precise current regulation makes it suitable for demanding lighting applications that require efficiency, reliability, and flexibility.
These alternative models offer different features and specifications, allowing designers to choose the most suitable solution based on their specific requirements.
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Question: What is the maximum input voltage for LM3404HVMR/NOPB?
Answer: The maximum input voltage for LM3404HVMR/NOPB is 75V.
Question: What is the typical output current capability of LM3404HVMR/NOPB?
Answer: The typical output current capability of LM3404HVMR/NOPB is 1A.
Question: Can LM3404HVMR/NOPB be used in automotive lighting applications?
Answer: Yes, LM3404HVMR/NOPB is suitable for automotive lighting applications.
Question: What is the operating temperature range for LM3404HVMR/NOPB?
Answer: The operating temperature range for LM3404HVMR/NOPB is -40°C to 125°C.
Question: Does LM3404HVMR/NOPB have built-in over-temperature protection?
Answer: Yes, LM3404HVMR/NOPB features built-in over-temperature protection.
Question: Is LM3404HVMR/NOPB compatible with dimming control?
Answer: Yes, LM3404HVMR/NOPB is compatible with dimming control.
Question: What is the typical efficiency of LM3404HVMR/NOPB in a boost configuration?
Answer: The typical efficiency of LM3404HVMR/NOPB in a boost configuration is 90%.
Question: Can LM3404HVMR/NOPB be used in LED backlighting applications?
Answer: Yes, LM3404HVMR/NOPB is suitable for LED backlighting applications.
Question: What is the recommended input capacitor value for LM3404HVMR/NOPB?
Answer: The recommended input capacitor value for LM3404HVMR/NOPB is 10µF.
Question: Does LM3404HVMR/NOPB require an external Schottky diode?
Answer: Yes, LM3404HVMR/NOPB requires an external Schottky diode for operation.