AS3490 driver equivalent, highly efficient 2-6 leds backlight driver.
*2 MHz DCDC Boost converter - Small 4.7µH external coil - Very high system efficiency of 86% (DCDC and current sources combined) - Very low voltage changes on output.
Display backlight driver for mobile phones, digital cameras, PND and PMPs.
coantmesntAsGtill
.
The AS3490 is an inductive highly efficient DCDC boost converter. The DCDC converter operates at a fixed frequency of 2MHz and includes soft startup to allow easy integration into noise sensitive RF systems. A predictable startup is guaranteed even w.
Image gallery
TAGS
Download (Size : 2.95MB)