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Product Detailed Parameters
- Description：IC LED DRIVER CTRLR PWM 12WSON
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Type：DC DC Controller
- Topology：SEPIC, Step-Up (Boost)
- Internal Switch(s)：No
- Number of Outputs：1
- Voltage - Supply (Min)：6V
- Voltage - Supply (Max)：40V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：2MHz
- Dimming：PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：12-WFDFN Exposed Pad
- Supplier Device Package：12-WSON (3x3)
- Grade：-
- Qualification：-
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Overview
The LM3430SDX is a DC-DC controller designed for LED backlighting applications, manufactured by Texas Instruments. It operates within an input voltage range of 6 V to 40 V and supports a maximum switching frequency of 1115 kHz. The device features a single output channel and utilizes PWM dimming for brightness control. It is housed in a 12-WFDFN Exposed Pad package with surface mount mounting type. The component is rated for an operating junction temperature range of -40°C to 125°C.
Feature Summary
- Supports PWM dimming for precise LED brightness control
- Integrated boost topology suitable for LED backlighting
- Wide input voltage range accommodating various power sources
Applications
- LED backlighting systems
- Portable electronic display illumination
- Automotive interior lighting
Procurement Notes
Verify the specific ordering suffix, such as NOPB, against the required RoHS compliance status. Confirm the package designation matches the 12-WFDFN Exposed Pad requirement for PCB layout compatibility. Ensure the supplier provides valid traceability documentation for Texas Instruments components to guarantee authenticity and quality standards.
Selection Notes
Select this controller when designing high-voltage LED backlight drivers requiring wide input tolerance. Consider the 1115 kHz switching frequency for component size optimization. Evaluate thermal management needs given the 125°C junction temperature rating. Verify that the application does not require internal switches, as this is a controller only.
Part Context
This part belongs to the LM3430 series of LED lighting drivers from Texas Instruments. It is specifically engineered for boost converter topologies in backlighting applications. The SDX suffix indicates the specific tape and reel packaging configuration for automated assembly processes.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source data. Consult official Texas Instruments documentation or authorized distributor cross-reference tools for compatible alternatives.
