The LTC3208 is a highly integrated multidisplay LED controller. It features a high-efficiency, low-noise charge pump that provides power to the MAIN, SUB, RGB, CAM, and AUX LED displays. Dimming and on/off control for all displays are achieved through the I2C serial interface. The MAIN and SUB displays offer 256 brightness levels, while the RGB and CAM displays offer 16 brightness levels.
The LTC3208 is a highly integrated multidisplay LED controller that provides a 1 A high‑efficiency, low‑noise charge pump to power MAIN, SUB, RGB, CAM and AUX LED displays. It supports 1x, 1.5x and 2x boost modes, automatic mode switching, and offers 256 brightness steps for MAIN and SUB displays and 4096 color combinations for the RGB display.
The device is supplied in a 5 mm × 5 mm 32‑lead QFN package, operates from –40 °C to 85 °C, and includes extensive protection features such as short‑circuit, thermal shutdown, and open/short LED protection. Detailed electrical characteristics, pin functions, and typical performance curves are provided in the document.
| Charge Pump Modes | 1x, 1.5x, 2x |
|---|---|
| Total Output Current | Up to 1 A |
| Package Type | 5 mm × 5 mm 32‑Lead QFN |
| Operating Temperature Range | -40 °C to 85 °C |
| Brightness Levels (MAIN/SUB) | 256 levels |
| UVLO Threshold (Vpat) | 1.5 V |
The LTC3208 can deliver up to 1 A total output current.
The MAIN display supports 256 brightness states.
It is offered in a 5 mm × 5 mm 32‑lead QFN plastic package.
The device is rated for operation from –40 °C to 85 °C.