TIGER ELECTRONIC CO.,LTD
TO-92 Encapsulate Adjustable Reference Source
T L431
Adjustable Accurate Reference Source
TO-92
FEATURES
The output voltage can be adjusted to 36V
Low dynamic output impedance ,its typical value is 0.2Ω
Trapping current capability is 1 to 100mA
The typical value of the equivalent temperature factor in the
whole temperature scope is 50 ppm/℃
The effective temperature compensation in the working
range of full temperature
Low output noise voltage
Fast on -state response
1.REFERENCE
2.ANODE
3.CATHODE
1 2 3
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Parameter
Cathode Voltage
Cathode Current Range (Continuous)
Reference lnput Current Range
Power Dissipation
Operating temperature
Storage temperature Range
SYMBOL
V
KA
I
KA
Iref
P
D
Topr
Tstg
VALUE
37
-100-+150
0.05-+10
770
0-70
-65-+150℃
UNITS
V
mA
mA
mW
℃
℃
ELECTRICAL CHARACTERISTICS (Tamb=25℃ unless otherwise specified)
Parameter
Reference lnput Voltage
Deviation of reference input Voltage
Over temperature (note)
Ratio Of Change in Reference lnput
Voltage to the change in Cathode
Voltage
Reference lnput Current
Deviation Of Reference lnput Current
Over Full Temperature Range
Minimum cathode current for
regulation
Off-state cathode Current
Dynamic lmpedance
Symbol
V
ref
△
V
ref
/
△
T
Test
conditions
MIN
2.450
TYP
2.5
4.5
-1.0
-0.5
1.5
0.4
0.45
0.05
0.15
MAX
2.550
17
-2.7
-2.0
4
1.2
1.0
1.0
0.5
UNIT
V
mV
m V/V
m V/V
μA
μA
mA
μA
Ω
V
KA
=V
REF
, I
KA
=10mA
V
KA
=V
REF
, I
KA
=10mA
Tmin≤Ta≤Tmax
I
KA
=10mA
△
V
KA
=10V~V
REF
△
V
ref
/
△
V
KA
l
ref
△
l
ref
/
△
T
I
KA(min)
I
KA(OFF)
Z
KA
△V
KA
=36V~10V
I
KA
= 10mA,R
1
=10KΩ
R
2
=∞
l
KA
=10mA, R
1
=10KΩ
R
2
=∞
T
A
=full Temperature
V
KA
=V
REF
V
KA
=36V ,V
REF
=0
V
KA
=V
REF
, l
KA
=1 to 100mA
f≤1.0KHz
Note:T
MIN
=0
℃
,T
MAX
=+70℃
CLASSIFICATION OF V
ref
Rank
Range
0.5%
2.487-2.512
1%
2.475-2.525
2%
2.450-2.550
TGS [ Tiger Electronic Co.,Ltd ]
