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Product Detailed Parameters
- Description：IC LED DRV RGLTR PWM 16MA 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：2
- Voltage - Supply (Min)：2.7V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：-
- Current - Output / Channel：16mA
- Frequency：500kHz
- Dimming：PWM
- Applications：Backlight
- Operating Temperature：-30°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 LM2793LDX is a high-performance LED driver IC manufactured by Texas Instruments. It utilizes a switched capacitor (charge pump) topology to regulate and dim LEDs. The device supports PWM dimming and features two outputs with a maximum output current of 16mA per channel. It operates within a supply voltage range up to 5.5V and is housed in a compact 10-WSON package measuring 3x3 mm. The component is designed for efficient power management in portable applications.
Feature Summary
- Integrated switched capacitor charge pump architecture for efficient LED regulation
- Supports PWM dimming control for precise brightness adjustment
- Dual-channel output capability with independent current regulation
Applications
- Portable electronic device backlighting
- LED indicator circuits in consumer electronics
- Battery-powered lighting systems requiring efficient power conversion
Procurement Notes
Verify the specific suffix and package variant against official Texas Instruments documentation before procurement. Confirm that the received components match the exact part number designation, as variations may exist in marking or revision levels. Ensure compatibility with your system's voltage requirements and thermal constraints based on the datasheet specifications.
Selection Notes
Select this component when a compact, dual-channel LED driver with charge pump functionality is required. Consider its 16mA output limit and 5.5V input range suitability for low-power portable applications. Evaluate the 10-WSON package size against available PCB space and ensure the design accommodates the necessary external capacitors for the switched capacitor operation.
Part Context
This device belongs to the Texas Instruments family of power management integrated circuits, specifically categorized under LED drivers. It addresses the need for efficient, small-footprint solutions for driving LEDs in space-constrained portable devices. The technology leverages charge pump principles to provide stable current regulation without the complexity of inductor-based switching regulators.
Replacement Considerations
No public confirmed substitute part numbers are identified in the provided documentation. Verify functional equivalence carefully if considering alternatives from other manufacturers.
