AOZ1950DI

Overview

The AOZ1950DI is a single-output DC-DC boost converter LED driver IC from Alpha & Omega Semiconductor, part of the EZBoost series. It integrates an internal switch capable of delivering up to 1.1A and operates with a supply voltage range of 2.7V to 5.5V. The device supports analog and PWM dimming control for backlight applications. It features a maximum output voltage of 53V and switches at a frequency of 800kHz. The component is housed in a 10-DFN-EP (3x3) package with exposed pad for thermal management.

Feature Summary

• Integrates high-efficiency boost topology with internal power switch
• Supports dual-mode dimming via analog and PWM signals
• Designed for compact backlight solutions with small footprint

Applications

• LED backlight drivers
• Portable electronic display illumination
• Consumer electronics lighting systems

Procurement Notes

Verify component authenticity through authorized channels as this part is marked as obsolete. Check for valid manufacturer documentation to confirm pinout and electrical characteristics before integration. Ensure replacement strategies are evaluated due to end-of-life status.

Selection Notes

Select this IC for applications requiring integrated boost conversion and precise LED current regulation. Consider the 1.1A switch current limit and 53V output capability when designing the power stage. Evaluate thermal performance given the DFN package constraints.

Part Context

This component belongs to the EZBoost family of LED drivers designed by Alpha & Omega Semiconductor. It combines power management and control functions into a single solution, targeting space-constrained portable devices where efficiency and size are critical design parameters.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data. Due to the obsolete status, alternative components must be selected based on functional equivalence rather than direct substitution.