| CAD 模型: | View CAD Model |
| Pkg. Type: | 48 QFN |
| Pkg. Code: | |
| Lead Count (#): | |
| Pkg. Dimensions (mm): | 7 x 7 |
| Pitch (mm): | 0.5 |
| ECCN (US) | EAR99 |
| HTS (US) | 8542.39.0090 |
| Moisture Sensitivity Level (MSL) | 3 |
| Pb (Lead) Free | Yes |
| 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 |
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.