Datasheet Specifications
- Part number
- A8500
- Manufacturer
- Allegro MicroSystems
- File Size
- 834.87 KB
- Datasheet
- A8500_AllegroMicroSystems.pdf
- Description
- Flexible WLED/RGB Backlight Driver
Description
A8500 Flexible WLED/RGB Backlight Driver for Medium Size LCDs .
Features
* ▪ Active current sharing between LED strings for ±1.5% typical current matching and ±1.2% typical accuracy ▪ Drive up to 12 series × 8 parallel = 96 LEDs (Vf = 3.2 V, If = 20 mA) ▪ Flexible dimming, using alternative methods: ▫ LED duty cycle control (PWM pin) ▫ DC current using serial programming (Applications
* The A8500 can support any application requiring 4 to 96 WLEDs. The boost converter is a constant frequency currentmode converter. Each LED channel can sink 25 mA, and channels can be paralleled for higher currents. Flexible dimming allows output channels to either run at an adjustable DC value or wA8500 Distributors
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