AT9919 Hysteretic Buck High-Brightness LED Driver

Microchip

Description

AT9919 Hysteretic Buck High-Brightness LED Driver with High-Side Current Sensing .
AT9919 is a PWM controller IC designed to drive high-brightness LEDs using a buck topology.

📥 Download Datasheet

AT9919 Datasheet Preview — Preview of AT9919 PDF

Datasheet Specifications

Part number: AT9919
Manufacturer: Microchip ↗
File Size: 532.81 KB
Datasheet: AT9919-Microchip.pdf
Description: Hysteretic Buck High-Brightness LED Driver

Features

* AEC-Q100 Qualified
* Hysteretic Control with High-side Current Sensing
* Wide Input Voltage Range: 4.5V to 40V
* >90% Efficiency
* Typical ±5% LED Current Accuracy
* Up to 2 MHz Switching Frequency
* Adjustable Constant LED Current

Applications

* LED Lighting Applications

AT9919 Distributors

📁 Related Datasheet

AT9910 - 1A Low Dropout Regulator (Global Mixed-mode Technology)
AT9911 - 1A Low Dropout Regulator (Global Mixed-mode Technology)
AT9915 - 1.5A Low Dropout Regulator (Global Mixed-mode Technology)
AT9917 - Automotive LED Driver (Supertex)
AT9932 - Automotive Boost-Buck LED Lamp Driver (Supertex)
AT90-0001 - Digital Attenuator/ 31.0 dB/ 5-Bit/ TTL Driver/ DC-6.0 GHz (Tyco Electronics)

📌 All Tags

Hysteretic Buck High-Brightness LED Driver Microchip

Microchip AT9919-like datasheet

AT9933