White LED Driver with PWM Brightness Control in Small Package

文件：1.6433 Mbytes 页数：24 Pages

AWINIC

艾为电子

集成 PWM 调光的串联 WLED 驱动器

\n AW9962 是一款高效率的电感升压型白光 LED 驱动器。AW9962 内部集成了 40V 的功 率开关，可支持单串最多 10 颗 LED 应用。 AW9962的1.1MHz固定工作频率减小了输出 电压纹波，提高了转换效率，而且允许使用封 装更小的外围器件。 \n AW9962 的反馈电压为 200mV，如典型应用 图所示，LED 的电流通过外置设定电阻确定。 AW9962 支持 PWM 调光方式，LED 的电流可 通过加在CTRL引脚的PWM调光信号的占空 比来控制。\n AW9962 内置软启动功能，最大限度地减小电 源的浪涌电流。AW996 · 2.7V 至 5.5V 的输入电压范围 \n· 38V 过压保护（OVP）电压支持最多 10 颗串联 LED \n· 采用创新的 CDC(Classification Drive Control)输出驱动 技术，显著提升 EMI 性能 \n· 200mV 反馈电压 \n· 1% PWM 调光电流精度±20%\n · 支持最低 0.3%的 PWM 调光(VFB.TYP=0.6mV)\n · 1.1MHz 开关频率 \n· 内置过流保护和过温保护功能\n · 内置软启动功能，限制启动时的浪涌电流\n · 纤小的 TDFN2×2-6L 封装;

Awinic

艾为电子

丝印：AL62；Package：TDFN2x2-6L；White LED Driver with PWM Brightness Control in Small Package

文件：1.6433 Mbytes 页数：24 Pages

AWINIC

艾为电子

High Efficiency PWM Dimming Boost WLED Driver

The AW9962E is a white LED (WLED) driver with integrated boost converter. The boost converter runs at 1.1MHz fixed switching frequency, with an internal 40V, 2A switch FET, the AW9962E can drive one string (up to 10 LEDs) and parallel LED strings.The full-scale WLED current can be set by the equatio PWM control input for CABC operation1.1MHz Switching Frequency38V Over-voltage Protection for up to 10 LEDs in Series200mV Reference Voltage2.7V to 5.5V Input Voltage RangeOver-current and Over-temperature ProtectionBuilt-in Soft-start Limits Inrush CurrentSOT23-6L package;

Awinic

艾为电子

High Efficiency, Support 0.3% PWM Dimming Boost WLED Driver

The AW9962H is a white LED (WLED) driver with integrated boost converter. The boost converter runs at 1.1MHz fixed switching frequency, with an internal 40V, 2A switch FET, the AW9962H can drive one string (up to 10 LEDs) and parallel LED strings. The full-scale WLED current can be set by the equati Support 0.3% PWM dimmingPWM control input for CABC operation1.1MHz Switching Frequency38V Over-voltage Protection for up to 10 LEDs in Series200mV Reference Voltage2.7V to 5.5V Input Voltage RangeOver-current and Over-temperature ProtectionBuilt-in Soft-start Limits Inrush CurrentDFN 2mmX2mmX0.7;

Awinic

艾为电子