500mA Linear Li-Ion Battery Charger

Overview TF4057 is a constant current/constant voltage linear charger for single-cell lithium-ion battery with excellent performance. TF4057 adopts SOT23-6 package with less peripheral components, making it very suitable for portable products, and suitable for supplying USB power and adapter po

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TUOFENG

拓锋半导体

600mA lithium battery charger

文件：376.27 Kbytes 页数：6 Pages

TPOWER

天源中芯

500 MA linear lithium battery charger

文件：282.36 Kbytes 页数：12 Pages

ASICBilliton Ltd.

拓微集成南京拓微集成电路有限公司

4.0 inch ( 101.6mm ) 5X7 DOT MATRIX LED DISPLAY

DESCRIPTION The UVP-4057/4157 4257AA/4357AA is 4.0 inch (101.6mm) height 5X7 dot matrix display. Single color display have the choices of three bright colors-AlGaAs red/green/red orange. All device have gray face and white dot. The AlGaAs red LED chip are made from AlGaAs on a non-transparent Ga

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UOT

东贝光电