TL431AIDT STMicroelectronics, TL431AIDT Datasheet - Page 6
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TL431AIDT
Manufacturer Part Number
TL431AIDT
Description
IC VREF PROGRAMMABLE 8-SOIC
Manufacturer
STMicroelectronics
Specifications of TL431AIDT
Reference Type
Shunt, Adjustable
Voltage - Output
2.495 ~ 36 V
Tolerance
±1%
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
1 %
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
Contains lead / RoHS non-compliant
Voltage - Input
-
Current - Quiescent
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
497-2225-2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TL431AIDT
Manufacturer:
IC
Quantity:
74 225
Part Number:
TL431AIDT
Manufacturer:
ST
Quantity:
20 000
Electrical characteristics
Table 4.
1. See definition of
2. The dynamic impedance is defined as
6/19
Symbol
⏐ZKA⏐
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
= 10 mA, R1 = 10 kΩ, R2 = ∞
T
T
I
T
V
V
k
k
TL431I: -40° C to 105° C, T
min
amb
min
min
KA
KA
KA
KA
= 10 mA, ΔV
= 10 mA, R1 = 10 kΩ, R2 = ∞
KA
(1)
= V
= V
= V
= V
≤ T
≤ T
≤ T
Section 3.1: Reference input voltage deviation over temperature range
= 25° C
= 36 V to 10 V
ref
ref
ref
ref
amb
amb
amb
, I
, I
, Δ I
k
k
≤ T
≤ T
≤ T
= 10 mA, T
=10 mA, T
k
KA
= 1 to 100 mA, f ≤ 1 kHZ
max
max
max
= 10 V to V
(2)
Parameter
min
|
amb
ZKA
≤ T
= 25° C
ref
|
=
amb
amb
ΔV
--------------- -
≤ T
Doc ID 4467 Rev 8
Δ
= 25°C (unless otherwise specified)
I
KA
k
max
Min.
2.44
2.41
-2.7
-2
TL431I
2.495 2.55
Typ.
0.22
-1.4
1.8
0.8
0.5
2.6
-1
7
Max.
1000
2.58
below.
6.5
2.5
0.5
30
4
1
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
TL431
mV/V
Unit
mV
mA
µA
µA
nA
V
Ω