CAT431L Datasheet, PDF (7/11 Pages) Catalyst Semiconductor – Low-Voltage Adjustable Precision Voltage Reference

TYPICAL APPLICATIONS
Shunt Voltage Regulator
R1
0.1%
VREF
R2
0.1%
CAT431L
Vo
( CAT431L
Vo = 1 +
R1
R2
VREF
Flyback Converter with Optical Isolation
~ ^VI
120V
-
+
Vo
3.3V
Gate Drive
VCC
Controller
GND
VFB
Current
Sense
CAT431L
7
Doc. No. 4006, Rev. J