LM3509SD/NOPB
Product Overview
Category
The LM3509SD/NOPB belongs to the category of LED drivers.
Use
It is used to drive and control LED lighting in various applications.
Characteristics
- Input Voltage Range: 2.7V to 5.5V
- Output Current: Up to 30mA
- Dimming Control: Analog/PWM
- Package Type: WSON-10
- Operating Temperature Range: -40°C to 125°C
Package
The LM3509SD/NOPB comes in a WSON-10 package.
Packaging/Quantity
The product is typically available in reels with a quantity specified by the manufacturer.
Specifications
- Input Voltage Range: 2.7V to 5.5V
- Output Current: Up to 30mA
- Switching Frequency: Adjustable up to 2MHz
- Dimming Control: Analog or PWM
- Thermal Shutdown Protection
- Overcurrent Protection
Detailed Pin Configuration
The LM3509SD/NOPB has the following pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. EN (Enable) 4. DIM (Dimming Control) 5. FB (Feedback) 6. SW (Switch Node) 7. AGND (Analog Ground) 8. PGND (Power Ground) 9. NC (No Connection) 10. VOUT (Output Voltage)
Functional Features
- Wide Input Voltage Range
- High Efficiency
- Flexible Dimming Control
- Integrated Protection Features
Advantages and Disadvantages
Advantages
- Wide input voltage range allows for versatile application
- High efficiency helps in reducing power consumption
- Flexible dimming control enables customization of lighting effects
- Integrated protection features enhance reliability and safety
Disadvantages
- Limited output current may not be suitable for high-power LED applications
- The WSON-10 package may require careful handling during assembly
Working Principles
The LM3509SD/NOPB operates by converting the input voltage to a controlled output current, which drives the connected LEDs. The dimming control feature modulates the output to achieve desired lighting effects. Integrated protection mechanisms ensure safe operation under various conditions.
Detailed Application Field Plans
The LM3509SD/NOPB is well-suited for various LED lighting applications, including: - Portable electronic devices - Automotive interior lighting - Backlighting for displays - Decorative and accent lighting
Detailed and Complete Alternative Models
Some alternative models to the LM3509SD/NOPB include: - LM3409 - LM3410 - LM3429 - LM3430
In conclusion, the LM3509SD/NOPB is a versatile LED driver with a wide input voltage range, flexible dimming control, and integrated protection features. While it may have limitations in high-power applications, its compact package and efficient operation make it suitable for a wide range of LED lighting solutions.
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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af LM3509SD/NOPB i tekniske løsninger
Question: What is the input voltage range for LM3509SD/NOPB?
Answer: The input voltage range for LM3509SD/NOPB is 2.7V to 5.5V.Question: What is the maximum output current of LM3509SD/NOPB?
Answer: The maximum output current of LM3509SD/NOPB is 30mA.Question: Can LM3509SD/NOPB be used in automotive applications?
Answer: Yes, LM3509SD/NOPB is suitable for automotive applications.Question: What is the typical efficiency of LM3509SD/NOPB?
Answer: The typical efficiency of LM3509SD/NOPB is 90%.Question: Does LM3509SD/NOPB have built-in over-temperature protection?
Answer: Yes, LM3509SD/NOPB features built-in over-temperature protection.Question: What is the operating temperature range for LM3509SD/NOPB?
Answer: The operating temperature range for LM3509SD/NOPB is -40°C to 125°C.Question: Can LM3509SD/NOPB be used for backlighting applications?
Answer: Yes, LM3509SD/NOPB is suitable for backlighting applications.Question: What is the typical dropout voltage of LM3509SD/NOPB?
Answer: The typical dropout voltage of LM3509SD/NOPB is 200mV at 20mA load.Question: Is LM3509SD/NOPB compatible with PWM dimming control?
Answer: Yes, LM3509SD/NOPB is compatible with PWM dimming control.Question: What package type does LM3509SD/NOPB come in?
Answer: LM3509SD/NOPB is available in a WSON-10 package.