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Product Detailed Parameters
- Description：IC LED DRV RGLTR PWM 10WSON
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Type：DC DC Regulator
- Topology：Switched Capacitor (Charge Pump)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：2.8V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：4.5V
- Current - Output / Channel：150mA
- Frequency：-
- Dimming：PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：10-WFDFN Exposed Pad
- Supplier Device Package：10-WSON (3x3)
- Grade：-
- Qualification：-
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Overview
The LM2751SDX-B is a regulated LED driver IC from Texas Instruments featuring a switched capacitor topology. It operates within an input voltage range of 2.8 V to 5.5 V and delivers up to 150 mA output current. The device supports PWM dimming and provides a maximum output voltage of 4.5 V. Operating at a frequency of 725 kHz, it functions between -40°C and +85°C. Packaged in a WSON-10 format, this component is designed for efficient power management in backlight applications.
Feature Summary
- Integrated charge pump topology for regulated LED driving
- Supports PWM dimming functionality for brightness control
- Operates with low input voltage requirements suitable for battery-powered devices
Applications
- LED backlight drivers for portable electronics
- Power management systems for mobile devices
- Low-voltage LED illumination circuits
Procurement Notes
Verify the specific suffix 'B' against the official datasheet to confirm internal configuration differences compared to standard variants. Ensure the WSON-10 package thermal pad is properly connected for heat dissipation. Confirm RoHS compliance status matches project requirements. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components.
Selection Notes
Select this component when a compact solution for single-segment LED driving is required. The switched capacitor design eliminates the need for external inductors, reducing board space. Consider the 150 mA current limit and 4.5 V output ceiling to ensure compatibility with the target LED string. Verify that the operating temperature range meets environmental constraints.
Part Context
This part belongs to the LM2751 series of LED drivers. It shares the core architecture with the LM2751SD/NOPB but includes specific internal adjustments denoted by the 'B' suffix. The series is characterized by its small footprint and efficiency in low-power applications. It complements other Texas Instruments power management solutions for integrated system designs.
Replacement Considerations
The LM2751SD/NOPB is a related variant within the same family. Verify if the 'B' suffix indicates a specific binning or internal parameter change before substitution. No direct cross-model equivalents are documented in the provided data.
