TP8217 datasheet(6/7 Pages) TPOWER

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TP8217 Datasheet(PDF) 6 Page - Shenzhen Tianyuan Semiconductor Co., Ltd.

Part #	TP8217

Description	Three-stage switch dimming double winding primary feedback LED driver chip

PDF	7 Pages

Scroll/Zoom	100%

Manufacturer	TPOWER [Shenzhen Tianyuan Semiconductor Co., Ltd.]

Direct Link	http://www.tpower-ic.com/

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6 / 7 page

TP8217

三段式开关调光的双绕组原边反馈 LED 驱动芯片

V1.1

Shenzhen TPOWER Semiconductor

旁路电容

VCC的旁路电容需要紧靠芯片的VCC脚和GND脚。

散热考虑

在PCB走线时，建议增大DRN脚的铺铜面积，这样对

TP8217的散热会有好处。

功率环路面积

功率环路的面积应当尽可能的小，例如变压器初级绕组、

功率管、CS电阻、输入电容组成的电流环路面积和次级

绕组、输出二极管、输出电容组成的电流环路面积。这

样可以改善系统的EMI特性。

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