TL431 Fairchild Semiconductor, TL431 Datasheet - Page 3

• Manufacturer Part Number: TL431
• Description: The TL431/TL431A are three-terminal adjustable regulator series with a guaranteed thermal stability over applicable temperature ranges
• Manufacturer: Fairchild Semiconductor

Electrical Characteristics
(T
• T
Parameter
Reference Input Voltage
Deviation of Reference
Input Voltage Over-
Temperature (Note 1)
Ratio of Change in
Reference Input Voltage
to the Change in
Cathode Voltage
Reference Input Current
Deviation of Reference
Input Current Over Full
Temperature Range
Minimum Cathode Cur-
rent for Regulation
Off - Stage Cathode
Current
Dynamic Impedance
(Note 2)
A
MIN
= +25°C, unless otherwise specified)
= -25 °C, T
MAX
= +85 °C
ΔI
Symbol
I
I
ΔV
ΔV
KA(OFF)
KA(MIN)
V
ΔV
REF
I
Z
REF
ΔT
REF
REF
REF
KA
KA
/ΔT
/
/
V
V
T
I
=10mA
I
R
I
R
T
V
V
V
I
f ≥1.0KHz
KA
KA
KA
KA
MIN
A
KA
KA
KA
KA
KA
1
1
=10KΩ,R
=10KΩ,R
=Full Range
=10mA,
=10mA,
=1 to 100mA
=V
=V
=V
=36V, V
=V
≤T
Conditions
REF
REF
REF
REF
A
≤T
, I
, I
,
MAX
ΔV
V
ΔV
10V
2
2
REF
KA
KA
REF
=∞
=∞
KA
KA
=10mA
=10mA
=0
=10V-
=36V-
2.440 2.495 2.550 2.470 2.495 2.520
Min. Typ.
-
-
-
-
-
-
-
-
TL431
- 1.0
0.45
0.05
0.15
-0.5
4.5
1.5
0.4
Max. Min. Typ. Max.
-2.7
-2.0
1.2
1.0
1.0
0.5
17
4
-
-
-
-
-
-
-
-
TL431A
0.45
0.05
0.15
-1.0
-0.5
0.4
4.5
1.5
TL431/TL431A
-2.7
-2.0
1.2
1.0
1.0
0.5
17
4
mV/V
Unit
mV
mA
μA
μA
μA
V
Ω
3