TL431ACDT STMicroelectronics, TL431ACDT Datasheet - Page 7

• Manufacturer Part Number: TL431ACDT
• Description: IC VREF PROG 2.5V-36V 8-SOIC
• Manufacturer: STMicroelectronics

Specifications of TL431ACDT

• 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: 0°C ~ 70°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: + 70 C
• Input Voltage: 2.52 V
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Shunt Current (min): 1 mA
• Fixed / Adjust / Prog: Adjust
• Output Voltage (max): 2.495 to 36V
• Reference Voltage Accuracy (max): 1
• Input Voltage (max): 37V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 8
• Package Type: SO N
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Input: -
• Current - Quiescent: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-3034-2

TL431
Table 5.
1. See definition of
2. The dynamic impedance is defined as
3.1
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
I
= 10 mA, R1 = 10 kΩ, R2 = ∞
T
I
T
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 5.
min
min
max
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
Reference input voltage deviation over temperature range
= 1 to 100 mA, F ≤ 1 kHz
max
ref max
max
max
= 10 V to V
= 36 V to 10 V
(2)
Parameter
- V
|
min
ZKA
ref min
≤ T
ref
|
=
amb
amb
min
ΔV
--------------- -
Doc ID 4467 Rev 8
Δ
≤ T
I
KA
k
≤ T
= 25°C (unless otherwise specified)
max
amb
≤
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
Electrical characteristics
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
mV/V
Unit
mV
mA
µA
µA
nA
V
Ω
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