AX2021 Datasheet (AXElite) - 0.45A Step-down High Brightness LED Driver

AX2021, 0.45A Step-down High Brightness LED Driver

The AX2021 is a continuous conduction mode inductive step-down converter, designed for driving single or multiple series connected LED efficiently from a voltage source higher than the total LED chain voltage.

The device operates from an input supply between 8V and 32V and provides an externally adj

AX2021 Features

* Simple low parts count Wide input voltage range: 8V to 32V VÛmw`R

* yÑb€ current Up to 0.45A output Single pin on/off and brightness control using PWM Up to 1MHz switching frequency Typical 5% output w.goftechm current accuracy High-Side Current Sense Hysteretic Control: No Compensation Adjust