The LM136-2.5 integrated circuit is a precision 2.5V shunt regulator diode. This monolithic IC voltage reference operates as a low-temperature-coefficient 2.5V zener with 0.2 Ohms dynamic impedance. A third terminal on ther LM136-2.5 allows the reference voltage and temperature coefficient to be trimmed easily. The LM136-2.5 is useful as a precision 2.5V low voltage reference for digital voltmeters, power supplies or op amp circuitry. The 2.5V makes it convenient to obtain a stable reference from 5V logic supplies. Further, since the LM136-2.5 operates as a shunt regulator, it can be used as either a positive or negative voltage reference. Original Creation Date: 07/10/95 Last Update Date: 12/13/99 Last Major Revision Date: 12/03/99
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Low temperature coefficient Wide operating current 10mA 0.2 Ohms dynamic impedance +1% initial tolerance available Guaranteed temperature stability Easily trimmed for minimum temperature drift Fast turn-on Three lead transistor package
(Note 1) Reverse Current 15mA Forward Current 10mA Storage Temperature +150 C Operating Ambient Temperature (Note +125 C Maximum Junction Temperture (Note 150 C Lead Temperture (Soldering, 10 Seconds) Thermal Resistance ThetaJA (Still Air Flow) (500LF/Min Air Flow) ThetaJC Package Weight (Typical) ESD Rating (Note 300 C
1000V Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is functional, but do not guaranteed specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not operated under the listed test conditions. The maximum power dissipation must be derated at elevated temperatures and is dictated by Tjmax (maximum junction temperature), ThetaJA (package junction to ambient thermal resistance), and TA (ambient temperature). The maxium allowable power dissipation at any temperature is Pdmax = (Tjmax - TA) /ThetaJA or the number given in the Absolute Maximum Ratings, whichever is lower. Human body model, 1.5K Ohms in series with 100pF.