Data Sheet
ADJUSTABLE PRECISION SHUNT REGULATORS
Pin Configuration
M Package
(SOIC-8)
N Package
(SOT-23)
ANODE
AZ431-B
R Package
(SOT-89-3)
CATHODE
ANODE
ANODE
NC
1
2
3
4
8
7
6
5
REF
3
ANODE
ANODE
NC
REF
CATHODE
REF
ANODE CATHODE
1
2
1
2
3
Z Package
(TO-92)
Z Package
(TO-92 Ammo Packing)
K Package
(SOT-23-5)
3
2
1
CATHODE
ANODE
REF
3
2
1
CATHODE
ANODE
REF
NC
NC
CATHODE
1
2
3
5
ANODE
4
REF
Figure 2. Pin Configuration of AZ431-B (Top View)
Functional Block Diagram
CATHODE
REF
+
-
V
REF
ANODE
Figure 3. Functional Block Diagram of AZ431-B
Mar. 2007 Rev. 2. 4
2
BCD Semiconductor Manufacturing Limited