LM27 www.
ti.
com SNIS124D – AUGUST 2002 – REVISED JULY 2013 LM27 SOT-23, ±3°C Accurate, 120°C-150°C Factory Preset Thermostat Check for Samples: LM27 FEATURES 1 •2 Internal Comparator with Pin Selectable 2°C or 10°C Hysteresis • No External Components Required • Open-drain or Push-pull Digital Output; Supports CMOS Logic Levels • Internal Temperature Sensor with VTEMP Output Pin • VTEMP Output Allows After-assembly System Testing • Internal Voltage Reference and DAC for Trip- point Setting • Currently Available in 5-pin SOT-23 Plastic Package • Excellent Power Supply Noise Rejection APPLICATIONS • Microprocessor Thermal Management • Appliances • Portable Battery Powered Systems • Fan Cont...

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