AOZ1977AI

Overview

The AOZ1977AI is a DC-DC controller from the EZBoost series, designed for LED driver applications. It operates with a supply voltage range of 8V to 30V and supports output voltages up to 16V. The device utilizes boost topology and features PWM dimming capabilities. It offers selectable switching frequencies of 100kHz and 350kHz. Packaged in a 16-SOIC (3.90mm wide) surface-mount case, it functions within an ambient temperature range of -40°C to 85°C.

Feature Summary

• Supports PWM dimming control for LED brightness adjustment
• Features selectable switching frequencies for design flexibility
• Utilizes boost topology for efficient power conversion

Applications

• LED backlighting systems

Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm package integrity and pin alignment against the 16-SO specification. Review datasheet revisions for any parameter updates prior to integration into new designs.

Selection Notes

Evaluate compatibility with existing boost converter topologies and required output voltage levels. Ensure thermal management solutions accommodate the 16-SO package constraints. Verify that the selected switching frequency aligns with external component availability and electromagnetic interference requirements.

Part Context

Part of the Alpha & Omega Semiconductor EZBoost family, targeting high-efficiency power management solutions. Designed for compact electronic devices requiring reliable LED driving capabilities within strict size and performance parameters.

Replacement Considerations

This part is officially listed as End-of-Life. No direct public substitute part numbers are confirmed in the provided documentation. Designers should consult manufacturer resources for current alternative recommendations.