SC622ULTRT

Overview

The SC622ULTRT is a charge pump LED lighting driver IC from the Semtech SC6 series, designed for high-efficiency flash applications. It features a single output capable of delivering up to 400 mA of output current. The device operates within an input voltage range of 3 V to 5.5 V and functions at a switching frequency of 250 kHz. It is housed in an MLPQ-UT-20 package with dimensions of 3 mm x 3 mm x 0.6 mm. The component supports a minimum operating temperature of -40°C and a maximum of +85°C, ensuring reliable performance across standard industrial temperature ranges.

Feature Summary

• Integrates automatic sleep mode functionality to minimize power consumption when LEDs are off
• Includes optional 1-second flash timeout capability for controlled illumination duration
• Features ultra-low shutdown current of 0.1 µA typical for extended battery life preservation
• Complies with WEEE and RoHS standards for environmental safety and regulatory adherence

Applications

• Mobile device camera flash systems
• Portable electronic device illumination
• Battery-powered optical signaling modules

Procurement Notes

Verify the specific ordering suffix and packaging configuration directly with the manufacturer or authorized distributors before finalizing procurement plans. Confirm that the requested quantity aligns with the standard tape and reel packaging requirements. Ensure that all technical specifications meet the design constraints for the target application environment. Cross-reference the part number against the latest datasheet revisions to confirm compatibility with existing system architectures.

Selection Notes

Select this component when a compact, high-efficiency solution is required for driving high-current LED flashes in space-constrained designs. The low quiescent current and small form factor make it suitable for portable devices where battery longevity and board real estate are critical. Evaluate the thermal management requirements based on the continuous discharge characteristics and ambient operating conditions.

Part Context

This part belongs to the SC6 series of power management integrated circuits manufactured by Semtech Corporation. The series focuses on providing efficient power conversion and regulation solutions for mobile and portable electronics. The SC622 specifically targets LED driving applications, offering a specialized topology optimized for flash lighting needs within the broader portfolio of analog and mixed-signal semiconductor products.

Replacement Considerations

Consult factory availability for direct substitutes as indicated in official documentation. No public confirmed substitute part numbers are available in the provided data.