TL431IZT STMicroelectronics, TL431IZT Datasheet - Page 5
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TL431IZT
Manufacturer Part Number
TL431IZT
Description
IC VREF PROGRAMMABLE TO-92
Manufacturer
STMicroelectronics
Specifications of TL431IZT
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
Through Hole
Package / Case
TO-92-3 (Standard Body), TO-226
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
Through Hole
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
497-2228-2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
TL431
Table 4.
1. See definition of
2. The dynamic impedance is defined as
⏐ 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
= 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
max
max
max
= 1 to 100 mA, f ≤ 1 kHZ
= 10 V to V
(2)
Parameter
min
|
amb
ZKA
≤ T
= 25° C
ref
|
amb
amb
=
≤ T
Doc ID 4467 Rev 7
ΔV
---------------
= 25°C (unless otherwise specified)
max
Δ
I
KA
k
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
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
5/16