lm431ac-mdc National Semiconductor Corporation, lm431ac-mdc Datasheet - Page 3

• Manufacturer Part Number: lm431ac-mdc
• Description: Adjustable Precision Zener Shunt Regulator
• Manufacturer: National Semiconductor Corporation

Symbol and Functional Diagrams
DC Test Circuits
Note: V
Z
= V
REF
(1 + R1/R2) + I
REF
• R1
01005599
01005505
01005504
FIGURE 2. Test Circuit for V
FIGURE 1. Test Circuit for V
Test Circuit for Off-State Current
3
01005506
Z
Z
= V
>
V
REF
REF
01005555
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