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LM385 - Adjustable Micropower Voltage References

General Description

The LM185/LM285/LM385 are micropower 3

terminal adjustable band-gap voltage reference diodes.

Operating from 1.24 to 5.3V and over a 10 /LA to 20 mA current range, they feature exceptionally low dynamic impedance and good temperature stability.

Key Features

  • III Adjustable from 1.24V to 5.30V III Operating current of 10 /LA to 20 mA III 1% and 2% initial tolerance III 1 n dynamic impedance II Low temperature coefficient Connection Diagrams TO-92 Plastic Package TO-46 Metal Can Package SO Package + NC NC ADJ 8 TLIH/5250-9 Bottom View Order Number LM285BXZ, LM285BYZ, LM285Z, LM385BXZ, LM385BYZ or LM385Z See NS Package Number Z03A TL/H/5250-1 Bottom View Order Number LM185BH, LM185BXH or LM185BYH See NS Package Number H03A Block Diagram Typical.

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,------------------------------------------------------------------------, r ~National ~ Semiconductor .s..:.:. .csOr....C:n..:t. N LM 185/LM285/LM385 Adjustable Micropower Voltage References .scOr....C:.n.:t. Co) cO.Cnt General Description The LM185/LM285/LM385 are micropower 3·terminal adjustable band-gap voltage reference diodes. Operating from 1.24 to 5.3V and over a 10 /LA to 20 mA current range, they feature exceptionally low dynamic impedance and good temperature stability. On-chip trimming is used to provide tight voltage tolerance. Since the LM185 band-gap reference uses only transistors and resistors, low noise and good long-term stability result.