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LM340 数据表(PDF) 9 Page - National Semiconductor (TI) |
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LM340 数据表(HTML) 9 Page - National Semiconductor (TI) |
9 / 15 page Application Hints (Continued) Figures 6, 7 show the information for the SOT-223 package. Figure 6 assumes a θ (J–A) of 74˚C/W for 1 ounce copper and 51˚C/W for 2 ounce copper and a maximum junction tem- perature of 125˚C. Please see AN-1028 for power enhancement techniques to be used with the SOT-223 package. Typical Applications DS007781-41 FIGURE 6. θ (J–A) vs Copper (2 ounce) Area for the SOT-223 Package DS007781-42 FIGURE 7. Maximum Power Dissipation vs T AMB for the SOT-223 Package Fixed Output Regulator DS007781-13 Note: Bypass capacitors are recommended for optimum stability and transient response, and should be located as close as possible to the regulator. High Input Voltage Circuits DS007781-14 DS007781-15 www.national.com 9 |
类似零件编号 - LM340 |
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类似说明 - LM340 |
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