AT9919 driver equivalent, hysteretic buck high-brightness led driver.
* AEC-Q100 Qualified
* Hysteretic Control with High-side Current Sensing
* Wide Input Voltage Range: 4.5V to 40V
* >90% Efficiency
* Typical ±5% LED C.
* LED Lighting Applications
* Automotive Applications
General Description
AT9919 is a PWM controller IC designe.
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 VDC to 40 VDC and employs hysteretic control with a high-side current sense resistor to set the constant output curre.
Image gallery
Download