Part number: AT9919
Manufacturer: Supertex
File Size: 346.64KB
Download: 📄 Datasheet
Description: High Brightness LED Driver
*
* Hysteretic control with high-side current sensing
*
* Wide input voltage range: 4.5 to 40V
*
* >90% Efficiency
*
* Typical ±5% LED current.
*
* Automotive LED lighting applications
General Description
The AT9919 is a PWM controller IC designed to drive.
The AT9919 is a PWM controller IC designed to drive high brightness LEDs using a buck topology. It operates from an input voltage of 4.5 to 40VDC and employs hysteretic control with a high-side current sense resistor to set the constant output curren.
Image gallery
TAGS
📁 Related Datasheet
AT9910 - 1A Low Dropout Regulator
(Global Mixed-mode Technology)
Global Mixed-mode Technology
1A Low Dropout Regulator
AT9910
Features
1.8V, 2.5V and 3.3V Options Over Current and Over Temperature Protection .
AT9911 - 1A Low Dropout Regulator
(Global Mixed-mode Technology)
Global Mixed-mode Technology
1A Low Dropout Regulator
AT9911
Features
2.5V Options Over Current and Over Temperature Protection 400mV Dropout .
AT9915 - 1.5A Low Dropout Regulator
(Global Mixed-mode Technology)
Global Mixed-mode Technology
AT9915
1.5A Low Dropout Regulator
Features
1.2V,1.8V, 2.5V and 3.3V Options Over Current and Over Temperature Prot.
AT9917 - Automotive LED Driver
(Supertex)
Supertex inc.
Automotive LED Driver IC with High Current Accuracy
Features
► Switch mode controller for boost, SEPIC & buck converters ► Closed loop c.
AT9917 - Automotive LED Driver
(Microchip)
AT9917
Automotive LED Driver IC with High Current Accuracy
Features
• AEC-Q100 Automotive Reliability Qualified • Switch Mode Controller for Boost, .
AT9919 - Hysteretic Buck High-Brightness LED Driver
(Microchip)
AT9919
Hysteretic Buck High-Brightness LED Driver with High-Side Current Sensing
Features
• AEC-Q100 Qualified • Hysteretic Control with High-side C.
AT9932 - Automotive Boost-Buck LED Lamp Driver
(Supertex)
Supertex inc.
Automotive Boost-Buck LED Lamp Driver IC
Features
► ► ► ► ► ► ► ► ► ► ► ► ► ► Constant output current Steps output voltage up or down Ve.
AT9932 - Automotive Boost-Buck LED Lamp Driver
(Microchip)
AT9932
Automotive Boost-Buck LED Lamp Driver IC
Features
• Constant Output Current • Steps Output Voltage Up or Down • Very Low Susceptibility to In.
AT9933 - Hysteretic Boost-Buck LED Driver
(Microchip)
AT9933
Hysteretic Boost-Buck (Ćuk) LED Driver IC with High-Side Current Sensing
Features
• AEC-Q100 Automotive Qualified, See Product Identification.
AT9933 - Hysteretic Boost-Buck (cuk) LED Driver
(Supertex)
www..com
AT9933 Hysteretic Boost-Buck (Ćuk) LED Driver IC
Features
► ► ► ► ► ► ► ► ► ► Constant current LED Driver Steps input voltage Up .