LM3648YFFR

LED Driver IC Overview

The LM3648YFFR is a single-output LED lighting driver IC from Texas Instruments, designed for boost topology applications. It supports an output current of 1.5 A and operates within a supply voltage range of 2.5 V to 5.5 V. The device features adjustable output voltage and selectable switching frequencies of 2 MHz or 4 MHz. It is housed in a DSBGA-12 package and functions reliably across a temperature range of -40°C to +85°C.

LED Driver IC Feature Summary

• Integrates a high-efficiency boost converter capable of driving LEDs with up to 1.5 A output current.
• Offers flexible switching frequency selection between 2 MHz and 4 MHz to optimize external component size.
• Supports adjustable output voltage to accommodate various LED string configurations.

LED Driver IC Applications

• Mobile device camera flash illumination
• General LED backlighting systems
• Portable electronic lighting modules

LED Driver IC Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct packaging and tape-and-reel specifications. Confirm that the DSBGA-12 package dimensions align with the target PCB footprint requirements. Cross-reference the RoHS compliance status and lead-free soldering recommendations with the latest product change notices provided by Texas Instruments prior to final procurement approval.

LED Driver IC Selection Notes

Select this component when a single-channel boost driver with 1.5 A capability is required for space-constrained designs. The choice depends on the need for I2C control if supported by the specific variant, though primary documentation highlights the boost topology and frequency options. Ensure the input voltage range of 2.5 V to 5.5 V matches the system power rail. Evaluate the thermal performance within the DSBGA-12 package for the intended ambient operating conditions.

LED Driver IC Part Context

This part belongs to the LM3648 series of LED drivers manufactured by Texas Instruments. It is categorized under LED Lighting Driver ICs and utilizes a surface-mount DSBGA-12 package. The device is distinct from dual-output variants like the LM3643AYFFR, focusing on single-channel efficiency and compactness for mobile and portable applications.

LED Driver IC Replacement Considerations

No public confirmed substitute part numbers are available in the provided source material.