AS3822-ZQFT
AS3822-ZQFT Datasheet
AS3822 LED Driver
| Part | Datasheet |
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AS3822-ZQFT |
AS3822-ZQFT (pdf) |
| Related Parts | Information |
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AS3822-ZTQW |
AS3822-ZTQW |
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AS3822-ZTQT |
AS3822-ZTQT |
| PDF Datasheet Preview |
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| AS3822 LED Driver 8 channel white LED controller for LCD backlight The AS3822 is a 8 channels precision LED controller for use in LCDbacklight panels. Dynamic power feedback controls the external power supply to guarantee best efficiency. Build in safety features include thermal shutdown as well as open and short LED detection. The device is programmable via serial interface. Key Features • 8 Channel LED driver • Output voltage only limited by external transistor • Output current only limited by external transistor • Linear current setting using 10-bit DAC • Current accuracy VDAC=250mV Product Facts Outputs [#] LED current per output [mA] Features Error detection Read-back LED-to-LED matching [%] Supply voltage [V] Package 8 depends on external FET Enhanced digital feedback, 3D, DPLL to QFN32 5x5 -0.5p TQFP32 7x7 -0.8p Additional Information Applications The AS3822 is suitable for LED backlighting for LCD such as TV sets and monitors |
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