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nexperia

TL431AMFDT Datasheet Preview

TL431AMFDT Datasheet

Adjustable precision shunt regulators

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TL431 family
Adjustable precision shunt regulators
Rev. 6 — 9 January 2019
Product data sheet
1. Product profile
1.1. General description
Three-terminal shunt regulator family with an output voltage range between
Vref = 2.495 V and 36 V, to be set by two external resistors.
Table 1. Product overview
Reference voltage Temperature range (Tamb)
tolerance (Vref)
0 °C to 70 °C
-40 °C to 85 °C
2.0 %
TL431CDBZR
TL431IDBZR
1.0 %
TL431ACDBZR
TL431AIDBZR
0.5 %
TL431BCDBZR
TL431BIDBZR
-40 °C to 125 °C
TL431QDBZR
TL431FDT
TL431MFDT
TL431AQDBZR
TL431AFDT
TL431AMFDT
TL431BQDBZR
TL431BFDT
TL431BMFDT
Pinning configuration
(see Table 5)
normal pinning
normal pinning
mirrored pinning
normal pinning
normal pinning
mirrored pinning
normal pinning
normal pinning
mirrored pinning
1.2. Features and benefits
Programmable output voltage up to 36 V
Three different reference voltage tolerances:
• • Standard grade: 2 %
A-Grade: 1 %
B-Grade: 0.5 %
Typical temperature drift: 9 mV (in a range of 0 °C up to 70 °C)
Low output noise
Typical output impedance: 0.2 Ω
Sink current capability: 1 mA to 100 mA
AEC-Q100 qualified (grade 1)




nexperia

TL431AMFDT Datasheet Preview

TL431AMFDT Datasheet

Adjustable precision shunt regulators

No Preview Available !

Nexperia
TL431 family
Adjustable precision shunt regulators
1.3. Applications
Shunt regulator
Precision current limiter
Precision constant current sink
Isolated feedback loop for Switch Mode Power Supply (SMPS)
1.4. Quick reference data
Table 2. Quick reference data
Symbol Parameter
Conditions
VKA
cathode-anode voltage
IK
cathode current
Vref
reference voltage
VKA = Vref; IK = 10 mA;
Standard-Grade (2.0 %) Tamb = 25 °C
A-Grade (1.0 %)
B-Grade (0.5 %)
Min Typ Max Unit
Vref -
36 V
1
-
100 mA
2440 2495 2550 mV
2470 2495 2520 mV
2483 2495 2507 mV
2. Pinning information
Table 3. Pinning
Pin
Symbol
Description
Simplified outline
SOT23; normal pinning: All types without MFDT ending
1
K
cathode
3
2
REF
reference
3
A
anode
Graphic symbol
REF
A
K
006aab355
1
SOT23; mirrored pinning: All types with MFDT ending
1
REF
reference
2
K
cathode
3
A
anode
2
3
REF
A
K
006aab355
1
2
TL431_FAM
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 6 — 9 January 2019
© Nexperia B.V. 2019. All rights reserved
2 / 19


Part Number TL431AMFDT
Description Adjustable precision shunt regulators
Maker nexperia
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