【2015年收编】BP9833A 8-24W 过EMC，成本低，内置mos易生产

1.方案名称：BP9833A

2.方案品牌：上海晶丰明源

3.方案规格：SOP-8

4.方案简介：

The BP9833A is a high precision buck constantcurrent LED driver. The device operates in criticalconduction mode and is suitable for 85Vac~265Vacuniversal input offline LED lighting.The BP9833A integrates a 500V power MOSFET.With patent pending MOSFET driving technique, theoperating current of the IC is very low. So it doesn’tneed the auxiliary winding for supplying the chip. Itcan achieve excellent constant current performancewith very few external components, so the systemcost and size are minimized.The BP9833A utilizes patent pending current controlmethod. It can achieve precise output current andexcellent line regulation. The driver operates incritical conduction mode, the output current does notchange with the inductance and LED output voltage.The BP9833A offers rich protection functions toimprove the system reliability, including LED opencircuit protection, LED short circuit protection, VCCunder voltage protection, CS resistor short circuitprotection and thermal regulation function.

5.方案特点和适用范围：

特点

 采用SOP8 封装

 内部集成500V 功率管

 集成高压供电功能

 电感电流临界连续模式

 无需辅助绕组检测和供电

 宽电压输入电压

 ±5% LED 输出电流精度

 LED 短路保护

 芯片供电欠压保护

 过热调节功能