TYPICAL APPLICATION
VCC > 2.2V
CAT102
VIN
Opto-isolator
Regulator
with
Isolation
VOUT
1V regulated
output
C1
0.1µF
5 IN
OUT 3
CAT102
2 GND
1
FB
R3
100Ω
C2
1µF
R4
100kΩ
R1
22kΩ
R2
33kΩ
Figure 2. Opto-Feedback Application Circuit
In order to allow proper operation of the optocoupler and the CAT102, the supply voltage VCC must be greater
than 2.2V.
© Catalyst Semiconductor, Inc.
5
Characteristics subject to change without notice
Doc. No. MD-4007 Rev. N