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TS29100CW25 bảng dữ liệu(PDF) 7 Page - Taiwan Semiconductor Company, Ltd |
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TS29100CW25 bảng dữ liệu(HTML) 7 Page - Taiwan Semiconductor Company, Ltd |
7 / 8 page TS29100/1/2 7-7 2003/12 rev. A Application Information (continues) Power SOP-8 Thermal Characteristics TS29101/2 series’ performance is its power SOP-8 package featuring half the thermal resistance of a standard SOP-8 package. Lower thermal resistance means more output current or higher input voltage for a given package size. Lower thermal resistance is achieved by connect the four ground pins with the die attached pad to create a single piece electrical and thermal conductor. This concept have been used by MOSFET production for years, proving very reliable and cost effective for the user. As under: Thermal resistance consists of two main elements, Θjc (junction to case) and Θca (case to ambient). Using the power SOP-8 reduces Θca, the total thermal resistance, Θja (junction to ambient) is the limiting factor in calculating the maximum power dissipation capability of the device. Typically, the power SOP-8 have a Θjc of 20 oC/W dramatically , this is significantly lower than the standard SOP-8 which is typically 75 oC/W. Θca is reduced because pin 5~8 can be soldered directly to a ground plane which significantly reduces the case to sink and sink to ambient thermal resistance. Power Dissipation From under curves, the minimum area of copper necessary for the par to operate safely can be determined. The maximum allowable temperature rise must be calculated to determine operation along which curve. |
Số phần tương tự - TS29100CW25 |
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Mô tả tương tự - TS29100CW25 |
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