LT3909IDD#PBF
- Mfr.Part #
- LT3909IDD#PBF
- Manufacturer
- Linear Technology
- Package / Case
- 12-WFDFN Exposed Pad
- Datasheet
- Download
- Description
- LT3909 - 2-STRING 50MA, 2MHZ STE
- Stock
- 8,406
- In Stock :
- 8,406
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- Manufacturer :
- Linear Technology
- Product Category :
- LED Drivers
- Supply Voltage :
- 12V
- Mounting Type :
- Surface Mount
- Topology :
- Step-Up (Boost)
- Internal Switch(s) :
- yes
- Terminal Form :
- NO LEAD
- Terminal Finish :
- Matte Tin (Sn)
- JESD-609 Code :
- e3
- Factory Lead Time :
- 8 Weeks
- RoHS Status :
- ROHS3 Compliant
- Applications :
- Automotive
- Terminal Pitch :
- 0.45mm
- Number of Outputs :
- 2
- Operating Temperature :
- -40°C~125°C TJ
- Output Polarity :
- TRUE
- Terminal Position :
- Dual
- Package / Case :
- 12-WFDFN Exposed Pad
- Width :
- 3mm
- Dimming :
- Analog, PWM
- Frequency :
- 2MHz
- Base Part Number :
- LT3909
- Length :
- 3mm
- Input Characteristics :
- Standard
- Number of Terminations :
- 12
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Voltage - Supply (Max) :
- 40V
- Height Seated (Max) :
- 0.8mm
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Number of Segments :
- 20
- Published :
- 2015
- Current - Output / Channel :
- 50mA
- Surface Mount :
- yes
- Peak Reflow Temperature (Cel) :
- NOT SPECIFIED
- Pin Count :
- 12
- Voltage - Supply (Min) :
- 2.9V
- Packaging :
- Tube
- Number of Functions :
- 1
- Type :
- DC DC Regulator
- Datasheets
- LT3909IDD#PBF

LED Drivers Linear Technology LT3909IDD#PBF Overview
Explore the dynamic capabilities of the LT3909IDD#PBF, a highly sophisticated LED driver from Linear Technology, designed to cater to demanding lighting applications. This LED driver excels in maintaining constant current for parallel LED strings, ensuring uniform brightness and extended LED life. With its capability to support up to 2 strings of LEDs at 50mA each and a high-frequency operation at 2MHz, the LT3909IDD#PBF is ideal for high-density applications where efficiency and compactness are critical. The integration of advanced features in a small package underscores its suitability for advanced, space-sensitive lighting solutions, making it a preferred choice for industry professionals looking to optimize their lighting applications with reliable, high-performance LED Drivers from Linear Technology.
LT3909IDD#PBF Features
The LT3909IDD#PBF LED driver is equipped with dual string capability, supporting 50mA per string, which allows for consistent lighting across multiple configurations. Its high switching frequency of 2MHz minimizes the size of external components, thereby reducing overall design footprint. Additionally, the device incorporates internal thermal protection and LED string fault detection, which enhances system reliability and safety, making it an excellent choice for critical applications.
LT3909IDD#PBF Applications
- Automotive Lighting: Utilized in headlamps and tail lights, the LT3909IDD#PBF ensures consistent luminosity and reliability under varying operating conditions.
- Backlighting Systems: Ideal for backlighting in automotive and aviation instrumentation panels, offering high brightness and uniform light distribution.
- Portable Lighting: Applies in portable or battery-powered lighting equipment, providing efficient power management and consistent light output.
- Architectural Lighting: Used in architectural feature lighting, the driver supports creative and uniform lighting solutions that can be integrated into modern architectural designs.
- Industrial Lighting: Ensures robust performance in harsh environments, typical of industrial settings, contributing to safety and visibility.
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