Datasheet ZR431L (Diodes) - 2

ZR431L Typical Applications Circuit
(cont.)

V+ ZSR*** V+ VOUT IN OUT 30 Common R1 0.01µF VREF R1 R2 V REF V OUT R2

VOUT(MIN) = VREF + VREG

 1 R 

 1 R    

V  1 V 1 OUT   VREF OUT  VREF

 2 R   2 R 
OUTPUT CONTROL OF A THREE TERMINAL FIXED SERIES REGULATOR REGULATOR
V+ V+

R1A R1B

VREF OUTPUT

OUTPUT V

INPUT REF

V  2V ON

R2A R2B

V = V+ OFF

V = 2.5V TH

 B 1 R 

Low limit  1  V

REF  B 2 R 

 

A 1 R Hig lim h it  1  V

REF
SINGLE SUPPLY COMPARATOR WITH TEMPERATURE
 2 R A 
COMPENSATED THRESHOLD OVER VOLTAGE/UNDER VOLTAGE PROTECTION CIRCUIT Functional Block Diagram
VZ

GND

ZR431L 2 of 9 April 2015 Document number: DS33256 Rev. 4 - 2
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