三段式开关调光的高功率因数非隔离降压LED驱动芯片

TP8621是一款具有三段式开关调光功能的高功率因数非隔离降压型LED恒流驱动芯片。芯片集成了单级有源功率因数校正电路，特别适合于85VAC~265VAC全电压输入范围的高性能非隔离降压型LED照明系统调光应用。\n\nTP8621集成了三段式开关调光功能。LED输出电流可以通过普通开关的开关动作在100%、50%和10%之间进行切换。TP8621的调光方式简单方便，只需要普通的开关而不需要额外的调光器，简化了LED照明系统的设计。\n\nTP8621集成了单级有源功率因数校正电路，系统可以实现很高的功率因数和很低的输入电流总谐波失真。TP8621工作在准谐振开关模式，

TPOWER

天源中芯

Three-stage switch dimming high power factor non-isolated buck LED driver chip

文件：648.05 Kbytes 页数：7 Pages

TPOWER

天源中芯

Chokes Data Communication Circuits

General purpose pulse transformers. These units can be used in common applications such as: • isolating • line coupling • matching • some can be used as common mode chokes

文件：176.29 Kbytes 页数：2 Pages

FILTRAN

费尔兰特

Data Communication Circuits

文件：1.16147 Mbytes 页数：2 Pages

APITECH

LEVER ACTION PC CARD EJECTORS

[KEYSTONE] LEVER ACTION PC CARD EJECTORS Card ejectors offer a simple and reliable way of installing and ejecting circuit boards. Card ejectors reduce the stress on board connectors by improper removal of board. Ejectors also protect components on board from damage during removal or installati

文件：367.57 Kbytes 页数：1 Pages

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