tl431aiydt-au STMicroelectronics, tl431aiydt-au Datasheet - Page 4

• Manufacturer Part Number: tl431aiydt-au
• Description: Programmable Voltage Reference
• Manufacturer: STMicroelectronics

Electrical characteristics
3
Table 3.
1. See definition of
2. The dynamic impedance is defined as
4/15
⏐ ZKA⏐
Symbol
ΔV
ΔVref
------------
ΔVka
ΔI
V
I
I
I
min
ref
off
ref
ref
ref
Reference input voltage
Reference input voltage deviation over temperature
range
Ratio of change in reference input voltage to change
in cathode to anode voltage
Reference input current
I
Reference input current deviation over temperature
range
Minimum cathode current for regulation
Off-state cathode current
Dynamic impedance
k
V
T
V
I
ΔV
= 10mA, R1 = 10kΩ , R2 = ∞
T
T
I
T
V
V
Electrical characteristics
T
k
k
min
amb
min
min
KA
KA
KA
KA
amb
= 10mA - ΔV
= 10mA, R1 = 10kΩ , R2 =∞
KA
(1)
= V
= V
= V
= V
Reference input voltage deviation over temperature
≤ T
≤ T
≤ T
= 25°C
= 36V to 10V
= 25°C (unless otherwise specified)
ref
ref
ref
ref
amb
amb
amb
, I
, I
, Δ I
k
≤ T
≤ T
≤ T
k
= 10 mA, T
= 10 mA, T
k
KA
max
max
max
= 1 to100mA, f ≤ 1kHZ
= 10V to V
Parameter
(2)
|
min
amb
ZKA
≤ T
ref
= 25°C
|
amb
=
≤ T
ΔV
---------------
Δ
I
max
KA
k
range.
2.423
Min.
2.44
-2.7
-2
TL431C
2.495 2.55
Typ.
0.22
-1.4
1.8
0.4
0.5
2.6
-1
3
2.567
Max.
1000
5.2
1.2
0.5
17
4
1
2.453
Min.
2.47
-2.7
-2
TL431AC
2.495 2.52
Typ.
0.22
-1.4
1.8
0.4
0.5
2.6
-1
3
2.537
1000
Max.
5.2
1.2
0.6
0.5
15
4
TL431
mV/V
Unit
mV
mA
µA
µA
nA
V
Ω