MAX1574ETB

LED Driver IC Overview

The MAX1574ETB is a white LED charge pump driver featuring a switched-capacitor topology with three independent output channels. It operates from a supply voltage range of 2.7 V to 5.5 V and delivers up to 60 mA per channel. The device supports multiple-step dimming control for brightness adjustment. Packaged in a compact 10-TDFN (3x3 mm) footprint, it dissipates up to 1.454 W of power. This component is designed for high-efficiency LED illumination applications requiring precise current regulation.

LED Driver IC Feature Summary

• Integrates a switched-capacitor charge pump architecture for efficient voltage conversion without external inductors.
• Provides three independent output channels capable of driving multiple white LEDs simultaneously.
• Supports multiple-step dimming functionality to enable flexible brightness control mechanisms.

LED Driver IC Applications

• White LED backlighting systems
• Portable electronic display illumination
• Compact LED lighting modules

LED Driver IC Procurement Notes

Verify the specific suffix designation against official Analog Devices documentation to confirm package type and tape/reel specifications. Ensure the procurement source provides valid RoHS compliance data. Cross-reference the manufacturer part number with authorized distributor catalogs to confirm active status and availability constraints prior to ordering.

LED Driver IC Selection Notes

Select this component when designing circuits requiring multi-channel white LED drive from a single-cell lithium battery or similar low-voltage source. The choice depends on the need for inductor-less design to save board space and the requirement for integrated dimming control within a small thermal envelope.

LED Driver IC Part Context

This device belongs to the Maxim Integrated line of LED lighting drivers, specifically targeting portable consumer electronics. It complements other DC-DC converters by offering a specialized solution for capacitive boost applications where size and simplicity are critical constraints for mobile device manufacturers.

LED Driver IC Replacement Considerations

Consult official cross-reference lists for direct substitutes. Verify pin compatibility and electrical parameters before considering alternative charge pump drivers from the same manufacturer family.