onsemi

CAT4002ASD-GT3

CAT4002ASD-GT3 Description

The CAT4002ASD-GT3 from onsemi is a high-performance linear LED driver designed for multi-step current control in backlighting applications. Packaged in a compact SC70-6 form factor and supplied in Tape & Reel (TR), this IC is optimized for surface-mount designs requiring precise LED current regulation. With a 2.4V to 5.5V supply range and dual outputs (20mA per channel), it supports flexible power configurations while maintaining efficiency. Compliant with ROHS3 and REACH standards, it is ideal for environmentally conscious designs. Its Moisture Sensitivity Level (MSL 1) ensures reliability in diverse operating conditions.

CAT4002ASD-GT3 Features

• Linear Topology: Simplifies design with no inductor requirements, reducing EMI and BOM complexity.
• Integrated Switches: Eliminates external MOSFETs, saving board space and cost.
• Wide Voltage Range (2.4V–5.5V): Compatible with Li-ion batteries and low-voltage systems.
• Dual 20mA Outputs: Enables balanced current distribution for multi-LED backlight arrays.
• Multi-Step Dimming: Supports programmable brightness levels via external control.
• SC70-6 Package: Ultra-compact footprint (2mm x 2.1mm) for space-constrained PCBs.
• Robust Compliance: ROHS3, REACH Unaffected, and MSL 1 (Unlimited) rated for industrial durability.

CAT4002ASD-GT3 Applications

• LCD Backlighting: Smartphones, tablets, and portable displays requiring uniform illumination.
• Indicators & Panel Lighting: Automotive dashboards, industrial HMI, and consumer electronics.
• Battery-Powered Devices: Wearables and IoT sensors benefiting from low-voltage operation.
• Architectural Lighting: Low-current LED strips with precise dimming control.

Conclusion of CAT4002ASD-GT3

The CAT4002ASD-GT3 stands out for its integration, efficiency, and compact design, making it a superior choice for backlight and indicator applications. Its linear architecture reduces noise and component count, while dual-channel output ensures consistent performance. Ideal for portable and space-sensitive designs, this driver combines regulatory compliance with advanced functionality, offering a reliable solution for modern LED-driven systems.