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TP8205 데이터시트(PDF) 1 Page - Shenzhen Tianyuan Semiconductor Co., Ltd.

부품명 TP8205
상세설명  High precision double winding primary feedback LED constant current driver chip
PDF  6 Pages
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제조업체  TPOWER [Shenzhen Tianyuan Semiconductor Co., Ltd.]
홈페이지  http://www.tpower-ic.com/
Logo TPOWER - Shenzhen Tianyuan Semiconductor Co., Ltd.

TP8205 데이터시트(HTML) 1 Page - Shenzhen Tianyuan Semiconductor Co., Ltd.

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TP8205
高精度的双绕组原边反馈 LED 恒流驱动芯片
V1.1
Shenzhen TPOWER Semiconductor
1
概述
TP8205是一款高精度的双绕组原边反馈的反激型LED恒流
驱动芯片。芯片工作在电感电流断续模式,特别适合于
85VAC~265VAC全电压输入范围的小功率隔离式LED照明
系统应用。
TP8205采用源极驱动方式和专有的变压器双绕组控制技
术,无需利用变压器的辅助绕组来反馈LED的输出电流就可
以实现LED恒流输出。同时TP8205的工作电流很低,无需
变压器辅助绕组来给芯片进行供电。
TP8205 工作在原边反馈模式下,通过原边反馈的信息即可
以实现高精度的 LED 恒流输出,并不需要光耦、次级反馈
电路和任何补偿电路。此外,TP8205 内部集成了 650V 功
率管,这样只需要很少的外围元件,即可实现高精度的 LED
恒流输出,显著地简化了 LED 照明系统的设计。
TP8205工作电压范围宽,适用于85VAC~265VAC全电压
范围的交流输入。同时TP8205集成了多种保护功能,以保
证系统的稳定和可靠。包括VCC供电欠压保护,LED开路
保护,LED短路保护和芯片过温保护等。
特点
 内部集成 650V 功率管
 原边反馈模式,不需要次级反馈电路
 变压器双绕组控制技术
 工作电流低,不需辅助绕组供电
 宽输入电压范围
 ±5% LED 输出电流精度
 VCC 电源钳位功能
 LED 开路保护
 LED 短路保护
 芯片供电欠压保护
 芯片过温保护
 自动重启动功能
 系统体积小,BOM 成本低
 采用 SOP8L 封装
应用
 GU10 LED 射灯
 E17/E27 LED 蜡烛灯
 LED 球泡灯
 其它 LED 照明
典型应用电路


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