tl431aiydt-au STMicroelectronics, tl431aiydt-au Datasheet - Page 5

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

TL431
Table 4.
1. See definition of
2. The dynamic impedance is defined as
Reference input voltage deviation over temperature range
⏐ ZKA⏐
Symbol
ΔVref
------------
ΔV
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
k
k
T
Δ
the full temperature range.
Figure 4.
min
amb
min
min
KA
KA
KA
KA
amb
= 10mA, ΔV
= 10mA, R1 = 10kΩ , R2 = ∞
V
KA
ref
(1)
= V
= V
= V
= V
≤ T
≤ T
≤ T
Reference input voltage deviation over temperature range
= 25°C
= 36V to 10V
Δ
is defined as the difference between the maximum and minimum values obtained over
= 25°C (unless otherwise specified)
V
ref
ref
ref
ref
amb
amb
amb
ref
, I
, I
, Δ I
= V
≤ T
≤T
≤ T
k
k
KA
= 10 mA, T
=10 mA, T
k
max
Reference input voltage deviation over temperature range
max
max
ref max
= 1 to100mA, f ≤ 1kHZ
= 10V to V
V
V
(2)
Parameter
ref max.
ref min.
- V
|
min
amb
ZKA
T1
ref min
≤ T
ref
= 25°C
|
amb
=
≤ T
ΔV
---------------
Δ
max
I
KA
k
T2
Min.
2.44
2.41
-2.7
-2
below.
TL431I
2.495 2.55
Typ.
0.22
-1.4
1.8
0.8
0.5
2.6
-1
7
Max.
1000
2.58
6.5
2.5
0.5
30
4
1
Temperature
Electrical characteristics
Min.
2.47
2.44
-2.7
-2
TL431AI
2.495 2.52
Typ.
0.22
-1.4
1.8
0.8
0.5
2.6
-1
7
Max.
1000
2.55
6.5
1.2
0.7
0.5
30
4
mV/V
Unit
mV
mA
µA
µA
nA
V
Ω
5/15