Absolute Maximum Rating
Cathode Voltage (Note 1)
Vka
37
V
Continuous Cathode Current Range
Ik
-100 ~ +150
mA
Reference Input Current Range
Iref
-0.05 ~ +10
mA
Power Dissipation (Note 2, 3)
TO-92
0.625
SOT-89 / SOP-8
Pd
0.5
W
SOT-23
0.3
Operating Junction Temperature Range
Tj
+125
oC
Storage Temperature Range
TSTG
-65 ~ +150
oC
Note 1: Voltage values are with respect to the anode terminal unless otherwise noted.
Note 2: Tj Max = 150 oC
Note 3: Rating apply to ambient temperature at 25 oC
Recommend Operating Condition
Cathode Voltage Range
Cathode Current Range (for regulation)
Electrical Characteristics
(Ta=25 oC, unless otherwise specified.)
Parameter
Symbo
Reference
TS431
voltage
TS431A
Vref
TS431B
Deviation of reference input
voltage, over temp. (Note 4)
∆Vref
Reference Input current
Iref
Radio of change in Vref to
change in cathode Voltage
∆Vref /
∆Vka
Deviation of reference input
current, over temp.
Iref(DEV)
Minimum operating cathode
current
Off-state Cathode Current
Ika(min)
Ioff
Dynamic Output Impedance
|Zka|
Vka
Ik
Test Conditions
Vka =Vref, Ik=10mA (Figure 1)
Ta = full range
Vka =Vref, Ik=10mA (Figure 1)
R1=10KΩ, R2= ∞ , Ika=10mA
(Figure 2)
Ika=10mA, Vka = 10V to Vref,
Vka = 36V to 10V (Figure 2)
Ta= full range
R1=10KΩ, R2= ∞ , Ika=10mA
(Figure 2)
Vka=Vref (Figure 1)
Vref=0V (Figure 3) Vka=36V
f<1KHz, Vka=Vref
Ika=1mA to 100mA (Figure 1)
Ref ~ 36
V
1 ~ 100
mA
Min Typ Max Unit
2.450
2.550
2.475 2.495 2.525
V
2.487
2.513
--
3
17
mV
--
0.7
4.0
uA
--
-1.4 -2.7
mV/V
--
- 1.0 - 2.0
--
0.4
1.2
uA
--
0.4
0.6
mA
--
--
1.0
uA
--
0.22 0.5
Ω
TS431/A/B
2-8
2003/12 rev. B