LM3552SDX/NOPB

LED Driver IC Overview

The LM3552SDX/NOPB is a single-channel LED lighting driver IC from Texas Instruments, designed for camera flash applications. It operates within an input voltage range of 2.7 V to 5.5 V and delivers a maximum output current of 1.2 A. The device utilizes a boost topology with a switching frequency of 1.25 MHz. It is housed in a WSON-12 package and supports surface mount installation. The component functions across a temperature range of -40°C to +85°C.

LED Driver IC Feature Summary

• Integrated overvoltage protection circuitry
• Supports I2C control interface
• Optimized for dual flash LED systems

LED Driver IC Applications

• Camera flash drivers
• Mobile device illumination
• Portable electronic lighting

LED Driver IC Procurement Notes

Verify the specific suffix NOPB against the manufacturer's latest documentation to ensure compliance with RoHS standards and lead-free manufacturing requirements. Confirm that the WSON-12 package variant matches the intended PCB footprint. Check for any recent process change notifications or obsolescence notices, as availability may vary by distributor channel.

LED Driver IC Selection Notes

Select this component when a compact, high-current solution is required for single-channel flash applications. Ensure the design accommodates the 1.25 MHz switching frequency and the thermal characteristics of the WSON-12 package. Verify that the system voltage remains within the 2.7 V to 5.5 V operational window for reliable performance.

LED Driver IC Part Context

This part belongs to the LM3553/LM3552 family of LED drivers from Texas Instruments. These devices are engineered for portable electronics requiring efficient flash lighting. The LM3552 variant specifically targets single-channel applications, distinguishing it from dual-channel counterparts in the same series.

LED Driver IC Replacement Considerations

Public sources indicate the LM3551SD/NOPB as a parametric equivalent substitute. Verify compatibility regarding package dimensions and electrical specifications before implementation.