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LM4431 - Micropower Shunt Voltage Reference

Description

Ideal for space critical applications, the LM4431 voltage reference is available in the sub-miniature (3 mm x 1.3 mm) SOT-23 surface-mount package.

Features

  • n Small package: SOT-23 n No output capacitor required Connection Diagram SOT-23 DS011374-1.
  • This pin must be left floating or connected to pin 2. Top View Order Number LM4431M3-2.5 See NS Package Number M03B (JEDEC Registration TO-236AB) SOT-23 Package Marking Information Only three fields of marking are possible on the SOT-23’s small surface. The following table gives the meaning of the three fields. Part Marking S2E First Field: S = Reference Second Field: 2 = 2.500V Voltage Option.

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LM4431 Micropower Shunt Voltage Reference July 1998 LM4431 Micropower Shunt Voltage Reference General Description Ideal for space critical applications, the LM4431 voltage reference is available in the sub-miniature (3 mm x 1.3 mm) SOT-23 surface-mount package. The LM4431’s advanced design eliminates the need for an external stabilizing capacitor while ensuring stability with any capacitive load, thus making the LM4431 easy to use. The operating current range is 100 µA to 15 mA. The LM4431 utilizes fuse and zener-zap reverse breakdown voltage trim during wafer sort to ensure that the parts have an accuracy of better than ± 2.0% at 25˚C.
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