TL431IDT STMicroelectronics, TL431IDT Datasheet - Page 5

• 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

TL431
3
Table 3.
1. See definition of
2. The dynamic impedance is defined as
Symbol
⏐ZKA⏐
ΔV
ΔVref
------------
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
Electrical characteristics
TL431C: 0° C to 70° C (T
k
k
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
= 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
Parameter
(2)
|
amb
min
ZKA
≤ T
= 25° C
|
amb
ref
=
amb
ΔV
--------------- -
= 25° C unless otherwise specified)
Doc ID 4467 Rev 8
Δ
≤ T
I
KA
k
max
2.423
Min.
2.44
-2.7
-2
TL431C
2.495 2.55
Typ.
0.22
-1.4
1.8
0.4
0.5
2.6
-1
3
range.
2.567
Max.
1000
5.2
1.2
0.5
17
4
1
Electrical characteristics
2.453
Min.
2.47
-2.7
-2
TL431AC
2.495 2.52
Typ.
0.22
-1.4
1.8
0.4
0.5
2.6
-1
3
2.537
Max.
1000
5.2
1.2
0.6
0.5
15
4
mV/V
Unit
mV
mA
µA
µA
nA
Ω
V
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