SEMICONDUCTOR
FA431Z/ZS/ZF
TECHNICAL DATA
PROGRAMMABLE PRECISION REFERENCES
B
C
The FA431Z/ZS/ZF integrated circuits are three-terminal
programmable shunt regulator diodes.
These monolithic IC voltage reference operate as a low
temperature coefficient zener which is programmable from
Vref to 40 volts with two external resistors.
DIM MILLIMETERS
4.70 MAX
4.80 MAX
A
E
B
G
C
D
E
F
3.70 MAX
0.55 MAX
1.00
D
These devices exhibit a wide operating current range of 1.0 to 100mA
with a typical dynamic impedance of 0.2Ω .
The characteristics of these references make them excellent
replacements for zener diodes in many applications
such as digital voltmeters, power supplies, and op amp circuitry.
The 2.5 volt reference makes it convenient to obtain a stable reference
from 5.0 volt logic supplies, and since the
1.27
G
H
J
0.85
0.45
_
H
14.00 +0.50
L
M
2.30
F
F
0.51 MAX
1. REFERENCE
2. ANODE
3
1
2
3. CATHODE
FA431 Series operates as a shunt regulator,
it can be used as either a positive or negative voltage reference.
TO-92
FEATURES
Divice Code Name :FA431 + Vref Code + Package Code
Vref Code
Tolerance (%)
ITEM
Package Code
E
B
L
L
Code
Code
Package
DIM MILLIMETERS
_
+
A
B
C
D
E
2.93 0.20
TO-92
SOT-89
SOT-23
±2.0
±1.0
±0.5
1.30+0.20/-0.15
1.30 MAX
0.45
A
C
F
S
FA431
1
3
2
2.40+0.30/-0.20
1.90
G
H
J
0.95
0.13+0.10/-0.05
0.00 ~ 0.10
0.55
K
L
Low Dynamic Output Impedance : 0.2Ω (Typ.).
Sink Current Capability of 1.0 to 100mA.
P
P
M
N
P
0.20 MIN
1.00+0.20/-0.10
7
(Typ.).
Equivalent Full-Range Temperature Coefficient of 50ppm/℃
M
Temperature Compensated for Operation Over Full Rated Operating
Temperature Range.
1. REFERENCE
2. ANODE
3. CATHODE
Low Output Noise Voltage.
compliance with RoHS requirements.
We declare that the material of product
SOT-23
LINE UP
A
Operating Voltage(V)
Package
TO-92
Type No.
FA431Z
C
Mark
H
G
FA431ZA
FA431ZC
FA431ZF
FA431ZAF
FA431ZCF
FA431ZS
FA431ZAS
FA431ZCS
FA431ACS
2.5~36
2.5~36
D
D
K
SOT-89
SOT-23
F
F
DIM MILLIMETERS
A
B
C
D
E
F
4.70 MAX
_
+
2.50 0.20
1.70 MAX
0.45+0.15/-0.10
4.25 MAX
1
2
3
_
+
1.50 0.10
RA3
RA2
G
H
J
0.40 TYP
1.7 MAX
0.7 MIN
1. REFERENCE
2. ANODE
K
0.5+0.15/-0.10
3. CATHODE
SOT-89
2012. 05. 02
Revision No : 4
1/5