LM36923YFFR

LED Driver IC Overview

The LM36923YFFR is a high-efficiency triple-string white LED driver IC manufactured by Texas Instruments. It utilizes a boost topology to drive three independent LED strings with a maximum output current of 25 mA per channel. The device operates within an input voltage range of 2.5 V to 5.5 V and supports switching frequencies of 500 kHz and 1 MHz. It features I2C and PWM dimming capabilities for precise brightness control. The component is housed in a compact 12-DSBGA package and functions reliably across an operating temperature range of -40°C to +85°C.

LED Driver IC Feature Summary

• Integrates three independent regulated outputs for driving multiple LED strings simultaneously.
• Supports digital I2C and analog PWM dimming interfaces for flexible brightness control.
• Incorporates internal power switches within a small footprint DSBGA package.

LED Driver IC Applications

• Mobile device display backlighting
• Camera flash illumination systems
• Portable electronic indicator lighting

LED Driver IC Procurement Notes

Verify the specific suffix 'YFFR' against the manufacturer's official datasheet to confirm pinout, thermal characteristics, and RoHS compliance status. Ensure the ordering quantity aligns with the standard reel packaging specifications provided by Texas Instruments. Cross-reference the EDA models with your design tools prior to finalizing procurement to guarantee compatibility.

LED Driver IC Selection Notes

Select this component when designing circuits requiring three separate LED channels with low current requirements around 25 mA. It is suitable for space-constrained applications due to its DSBGA packaging. Consider the 500 kHz and 1 MHz switching options to optimize external inductor size versus efficiency trade-offs based on the specific system power budget.

LED Driver IC Part Context

This part belongs to the LM36923H series of LED drivers from Texas Instruments. It is designed specifically for portable electronics where power efficiency and board space are critical constraints. The device integrates protection features typical of modern PMIC solutions for LED management.

LED Driver IC Replacement Considerations

Consult the official datasheet for direct pin-to-pin compatible alternatives within the same family. Verify that any substitute maintains the required 25 mA output current capability and 12-DSBGA package dimensions.