TL431IDT STMicroelectronics, TL431IDT Datasheet - Page 6
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TL431IDT
Manufacturer Part Number
TL431IDT
Description
IC VREF PROGRAMMABLE 8-SOIC
Manufacturer
STMicroelectronics
Specifications of TL431IDT
Reference Type
Shunt, Adjustable
Voltage - Output
2.495 ~ 36 V
Tolerance
±2%
Temperature Coefficient
100ppm/°C
Number Of Channels
1
Current - Cathode
500µA
Current - Output
100mA
Operating Temperature
-40°C ~ 105°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Product
Voltage References
Topology
Shunt References
Output Voltage
2.495 V to 36 V
Initial Accuracy
2 %
Average Temperature Coefficient (typ)
100 PPM / C
Series Vref - Input Voltage (max)
37 V
Shunt Current (max)
100 mA
Maximum Operating Temperature
+ 105 C
Input Voltage
2.52 V
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Shunt Current (min)
1 mA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Input
-
Current - Quiescent
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
497-2227-2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
TL431IDT
Manufacturer:
ST
Quantity:
20 000
Electrical characteristics
Table 5.
1. See definition of
2. The dynamic impedance is defined as
3.1
6/16
⏐ 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
I
= 10 mA, R1 = 10 kΩ , R2 = ∞
T
I
V
T
V
k
k
k
TL431IY: -40° C to 125° C, T
Reference input voltage deviation over temperature range
Δ
the full temperature range.
Figure 4.
min
min
min
KA
KA
KA
KA
= 10 mA, ΔV
= 10 mA, ΔV
= 10 mA, R1 = 10 kΩ , R2 = ∞ , T
V
ref
(1)
= V
= V
= V
= V
≤ T
≤ T
≤ T
Section 3.1: Reference input voltage deviation over temperature range
Δ
is defined as the difference between the maximum and minimum values obtained over
V
ref
ref
ref
ref
amb
amb
amb
ref
, I
, I
, Δ I
k
k
= V
≤ T
≤T
≤ T
= 10 mA
= 10 mA, T
k
KA
KA
max
Reference input voltage deviation over temperature range
max
max
= 1 to 100 mA, F ≤ 1 kHz
ref max
= 10 V to V
= 36 V to 10 V
(2)
Parameter
V
V
ref max.
ref min.
- V
|
min
ZKA
ref min
≤ T
T1
ref
|
amb
=
amb
min
≤ T
Doc ID 4467 Rev 7
ΔV
---------------
Δ
≤ T
max
= 25°C (unless otherwise specified)
I
KA
k
amb
≤ T
max
T2
Min.
2.44
2.41
-2.7
-2
TL431IY
2.495 2.55
Typ.
0.22
-1.4
1.8
0.8
0.5
2.6
-1
7
Max.
1000
3000
2.58
below.
6.5
2.5
0.5
30
4
1
Temperature
Min.
2.47
2.44
-2.7
-2
TL431AIY
2.495 2.52
Typ.
0.22
-1.4
1.8
0.8
0.5
2.6
-1
7
Max.
1000
3000
2.55
6.5
1.2
0.6
0.5
30
4
TL431
mV/V
Unit
mV
mA
µA
µA
nA
V
Ω