ZN423 Datasheet - ETC

ZN423, PRECISION VOLTAGE REFERENCE SOURCE

THIS DOCUMENT IS FOR MAINTENANCE PURPOSES ONLY AND IS NOT RECOMMENDED FOR NEW DESIGNS DS2347 - 3.0 ZN423 PRECISION VOLTAGE REFERENCE SOURCE The ZN42.

Features

* s s s s s s s s Low Voltage Low Temperature Coefficient Very Good Long Term Stability Low Slope Resistance Low RMS Noise Tight Tolerance High Power Supply Rejection Ratio 2-Lead TO-18 Metal Can Package ZN423 (CM-2) Fig.1 Pin connections (bottom view) ABSOLUTE MAXIMUM RATINGS Reference current, IREF

Applications

* 5V, 0.5A Power Supply The circuit shown in Fig.5 is essentially a constant current source modified by the feedback components R2 and R3 to give a constant voltage output. The output of the ZN424P need only be 2V above the negative rail, by placing the load in the collector of the output transistor T

ZN423_ETC.pdf