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TP8533ED Datasheet(PDF) 1 Page - Shenzhen Tianyuan Semiconductor Co., Ltd.

Part # TP8533ED
Description  High efficiency non-isolated buck LED constant current driver chip
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Manufacturer  TPOWER [Shenzhen Tianyuan Semiconductor Co., Ltd.]
Direct Link  http://www.tpower-ic.com/
Logo TPOWER - Shenzhen Tianyuan Semiconductor Co., Ltd.

TP8533ED Datasheet(HTML) 1 Page - Shenzhen Tianyuan Semiconductor Co., Ltd.

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TP8533ED
高效率的非隔离降压 LED 恒流驱动芯片
V1.0
Shenzhen TPOWER Semiconductor
1
概述
TP8533ED 是一款高效率的非隔离降压 LED 恒流驱动芯
片,适用于 85VAC~265VAC 全电压输入范围的非隔离降
压型 LED 恒流驱动电源。
TP8533ED 内部集成了高精度的电流检测和恒流驱动电
路,能够实现高精度的 LED 恒流输出和出色的线电压调整
率。同时,TP8533ED 工作在峰值电流关断,零电流导通
的电感电流临界模式下,LED 输出电流并不随电感量和
LED 输出电压的变化而变化,从而具有优异的负载调整率
和对电感量变化不敏感的优点。
TP8533ED 内部集成 500V 功率管,并采用源极驱动方式,
芯片的工作电流很低,无需辅助绕组检测和供电,无需任
何补偿元件,只需要很少的外围元件,即可实现高效率的
LED 恒流输出,极大的节约了系统的成本和体积。
TP8533ED 工作电压范围宽,适用于 85VAC~265VAC 全
电压范围的交流输入。同时 TP8533ED 集成了多种保护功
能,以保证系统的稳定和可靠。包括 LED 开路、短路保护,
CS 电阻短路保护,芯片温度智能控制和芯片供电欠压保护
等。
特点
 内部集成 500V 功率管
 电感电流临界模式
 芯片超低工作电流
 无需辅助绕组检测和供电
 宽输入电压
 系统工作效率高
 ±5%LED 输出电流精度
 LED 开路/短路保护
 CS 电阻短路保护
 芯片供电欠压保护
 芯片温度智能控制
 对电感变化不敏感
 自动重启动功能
 系统 BOM 成本低
 采用 DIP8L 封装
应用
 LED 球泡灯,蜡烛灯,玉米灯
 LED 日光灯,PAR 灯
 其它 LED 照明
典型应用电路


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