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LM27 Datasheet(PDF) 7 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part # LM27
Description  SOT-23, 짹3째C Accurate, 120째C-150째C Factory Preset Thermostat
PDF  10 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM27 Datasheet(HTML) 7 Page - National Semiconductor (TI)

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Typical Applications
20030703
Note: The fan’s control pin has internal pull-up. The 10k pull-down sets a slow fan speed. When the output of the LM27 goes low, the fan will speed up.
FIGURE 4. Two Speed Fan Speed Control
20030720
FIGURE 5. Fan High Side Drive
20030721
FIGURE 6. Fan Low Side Drive
www.national.com
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