APL431 Anpec Electronics Corporation, APL431 Datasheet - Page 4

• Manufacturer Part Number: APL431
• Description: Adjustable Precision Shunt Regulator
• Manufacturer: Anpec Electronics Corporation

APL431
Test figures
Figure 1. Test Circuit for V
Figure 2. Test Circuit for V
Application schematic
Copyright
Rev. C.1 - Jun., 2003
1mA to maintain APL431 work properly.
R
b
V
should provide cathode current large than
IN
V
V
IN
V
IN
O
ANPEC Electronics Corp.
R
= V
5-Volt Precision Regulator
b
R1
R2
KA
V
= V
REF
REF
V
I
REF
REF
(1+R
KA
KA
=V
>V
1
REF
REF
/R
I
,
2
, V
K
) + I
27.5k
27.5k
0.1%
0.1%
I
O
K
=V
REF
V
V
KA
o
o
V
=V
R
o
1
REF
4
Figure 3. Test Circuit for I
V
IN
K(off)
I
K(off)
www.anpec.com.tw
V
o