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16-Channel White LED Controller for LCD Backlighting

Package Information

CAD Model: View CAD Model
Pkg. Type: 48 QFN
Pkg. Code:
Lead Count (#):
Pkg. Dimensions (mm): 7 x 7
Pitch (mm): 0.5

Environmental & Export Classifications

ECCN (US) EAR99
HTS (US) 8542.39.0090
Moisture Sensitivity Level (MSL) 3
Pb (Lead) Free Yes

Product Attributes

Pkg. Type 48 QFN
Carrier Type Tape & Reel
Advanced Features 8bit Analog dimming DAC, DC/DC FB Control
Channels (#) 16
Controller / Integrated Controller
DC/DC Converter Interfaces (#) 2
Dimming Resolution (bits) 12
Interface SPI
LED Current Accuracy (%) 1.5
LED Driver Channels (#) 16
Moisture Sensitivity Level (MSL) 3
Operating Voltage Range (V) 4.5 - 5.5
Pass Device FET
Pb (Lead) Free Yes
Pitch (mm) 0.5
Pkg. Dimensions (mm) 7 x 7
Qty. per Reel (#) 4000
Temp. Range (°C) -40 to +85°C

Description

The AS3820 is a 16-channel precision LED for use in LCD-backlight panels. Dynamic power feedback controls the external power supply to guarantee the best efficiency.

Built-in safety features include thermal shutdown as well as open and short LED detection. The device is programmable via a serial interface.