ADP8866結合了可編程背光LED電荷泵驅動器和自動閃爍功能。9個LED驅動器可以獨立編程，電流最高可達25 mA。電流水平、漸變時間和閃爍速率可以一次編程并在一個環(huán)路上自主執(zhí)行。背光LED可以設置獨立的漸亮和漸暗時間。

整個配置由一個雙電容電荷泵驅動，其增益為1×、1.5×和2×。這種配置采用2.5 V至5.5 V電源供電，能夠驅動最高240 mA的輸出電流。該器件具備完整的安全特性，包括短路保護、過壓保護和過溫保護，因而很容易實現(xiàn)安全、穩(wěn)定的設計。此外，輸入浪涌電流會受到集成式軟啟動及其受控輸入至輸出隔離的限制。

The ADP8866 combines a programmable backlight LED charge pump driver with automatic blinking functions. Nine LED drivers can be independently programmed at currents up to 25 mA. The current level, fade time, and blinking rate can be programmed once and executed autonomously on a loop. Separate fade-in and fade-out times can be set for the backlight LEDs.
Driving all of this is a two-capacitor charge pump with gains of 1×, 1.5×, and 2×. This setup is capable of driving a maximum IOUT of 240 mA from a supply of 2.5 V to 5.5 V. A full suite of safety features including short-circuit, overvoltage, and over-temperature protection allows easy implementation of a safe and robust design. Additionally, input inrush currents are limited via an integrated soft start combined with controlled input to output isolation.

?