L4974 查看數據表（PDF） - STMicroelectronics
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L4974 Datasheet PDF : 22 Pages
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L4974A
Figure 34 : Junctionto AmbientThermal Resistance
vs. Area onBoard Heatsink (DIP 16+2+2)
Figure 35: Maximum Allowable Power Dissipa-
tion vs. Ambient Temperature (Pow-
erdip)
Figure 36: Open Loop Frequency and Phase of Er-
ror Amplifier (see fig. 7C).
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