Part Number | AT9919 |
Manufacturer | Supertex |
Title | High Brightness LED Driver |
Description | 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 ... |
Features |
► ► Hysteretic control with high-side current sensing ► ► Wide input voltage range: 4.5 to 40V ► ► >90% Efficiency ► ► Typical ±5% LED current accuracy ► ► Up to 2.0MHz switching frequency ► ► Adjustable constant LED current ► ► Analog or PWM control signal... |
Datasheet | AT9919 Datasheet |