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Product Detailed Parameters
- Description：IC LED DRIVER CTRLR PWM 10HVSSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Controller
- Topology：Step-Down (Buck)
- Internal Switch(s)：No
- Number of Outputs：1
- Voltage - Supply (Min)：6V
- Voltage - Supply (Max)：42V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：-
- Dimming：Analog, PWM
- Applications：-
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：10-HVSSOP
- Grade：Automotive
- Qualification：-
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Overview
The LM3409MY/NOPB is a P-FET buck controller designed for high-power LED drivers. It operates with an input voltage range of 6V to 42V and supports output currents up to 1.5A. The device features adjustable switching frequency, precision dimming control via analog or PWM signals, and thermal shutdown protection. It is housed in a 10-MSOP-PowerPAD package and functions within a temperature range of -40°C to +125°C.
Feature Summary
- Integrates a P-channel MOSFET driver for efficient buck conversion
- Supports both analog and pulse-width modulation dimming methods
- Includes thermal shutdown for enhanced operational safety
Applications
- High-power automotive LED lighting systems
- Industrial LED illumination fixtures
- General-purpose constant current LED drivers
Procurement Notes
Verify the exact suffix against official Texas Instruments documentation to confirm package type and tape/reel specifications. Ensure compatibility with your PCB footprint, specifically the PowerPAD thermal pad requirements. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components and confirm RoHS compliance status.
Selection Notes
Select this component when a compact solution for high-current LED driving is required. The integrated PFET reduces external component count compared to discrete designs. Consider the 42V input limit; for higher voltage applications, evaluate the LM3409HV variant instead. Ensure the chosen switching frequency aligns with available inductor sizes and efficiency targets.
Part Context
This part belongs to the LM3409 family of P-FET buck controllers from Texas Instruments. It shares architectural similarities with the LM3409HV but is rated for lower input voltages. The MY/NOPB designation indicates a specific MSOP package variant without halogen content, distinguishing it from other packaging options like the MYX series.
Replacement Considerations
LM3409QMY/NOPB: Automotive qualified version with similar electrical characteristics. LM3409HV/NOPB: Higher input voltage capability up to 75V. LM3409MYX/NOPB: Alternative packaging option within the same functional family.
