PT4115是一款连续电感电流导通模式的降压恒流源，用于驱动一颗或者多颗串联LED。根据不同外部器件，芯片可以驱动高达数十瓦的LED。PT4115具有调光功能，通过DIM引脚实现模拟调光和宽范围PWM调光。当VDIM低于0.3V时，功率开关关断，芯片进入低功耗待机状态主要技术参数  输入电压范围...

📅 2014-12-24 👤 shengyj12345

4115 LED PT 降压

COT Drivers Control LED Ripple Current

COT Drivers Control LED Ripple Current...

📅 2013-10-09 👤 31633073

Drivers Control Current Ripple

Solutions for LED Driver Overvoltage Protection

Boost LED drivers are often used to drive LEDs in series. If an LED fails while open,overvoltage protection (OVP) is necessary to avoid the damage to ...

📅 2013-10-14 👤 jiangfire

Overvoltage Protection Solutions Driver