功率调光IC支持PWM占空比调光线性模拟调光无频闪！
AP7158B是以恒定关断时间模式工作的平均电流模式控制LED驱动器IC。 AP7158B不会产生峰均比误差，因此大大提高了LED电流的准确度，线路和负载调整率，而无需进行环路补偿或高端电流检测。
输出LED电流精度为±2％。AP7158B可由8.0 - 100V电源供电。提供PWM调光输入，可接受外部控制TTL兼容信号。
输出电流可由内部250mV基准电压源进行编程，或通过0.2 - 1.5V调光输入进行外部控制。
特征
快速平均电流控制
内部8至100V线性稳压器
线性和PWM调光功能
跳过模式输出短路保护
需要很少的外部元件进行操作应用
DC/ DC LED驱动器
应用
LED路灯
平板显示器的背光照明
通用恒流源
标志和装饰LED照明
景观灯驱动IC 植物生长灯驱动IC
联系曾生：13410492646 QQ:3004825478可提供IC测试板和配套方案。
大功率调光IC支持PWM占空比调光线性模拟调光无频闪！
General Description
The AP5169Bis an average current mode control LED driver IC operating in a constant off-time mode. AP5169Bdoes not produce a peak-to-average error, and therefore greatly improves accuracy, line and load regulation of the LED current without any need for loop compensation or high-side current sensing. The output LED current accuracy is ±2%.
The AP5169Bcan be powered from an 8.0 - 100V supply. A PWM dimming input is provided that accepts an external control TTL compatible signal. The output current can be programmed by an internal 250mV reference, or controlled externally through a 0.2 – 1.5V dimming input.
Features
Ø Fast average current control
Ø Internal 8 to 100V linear regulator
Ø Linear and PWM dimming capability
Ø Output short circuit protection with skip mode
Ø Requires few external components for operation
Applications
Ø DC/DC LED driver applications
Ø LED street lighting
Ø Back lighting of flat panel displays
Ø General purpose constant current source
Ø Signage and decorative LED lighting
Ø Chargers
联系曾生：13410492646 QQ:3004825478可提供IC测试板和配套方案。
