TL431AID datasheet(5/13 Pages) STMICROELECTRONICS

Nome de Peças	TL431AID

Descrição Electrónicos	Programmable Voltage Reference

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TL431

Electrical Characteristics

5/13

Table 4.

Tamb = 25°C (unless otherwise specified)

Symbol

Parameter

TL431I

TL431AI

Unit

Min.

Typ.

Max.

Min.

Typ.

Max.

Vref

Reference Input Voltage

VKA = Vref , Ik = 10 mA, Tamb = 25°C

Tmin ≤Tamb ≤ Tmax

2.44

2.41

2.49

5

2.55

2.58

2.47

2.44

2.49

5

2.52

2.55

V

∆V

ref

Reference Input Voltage Deviation Over Temperature

Range (1)

VKA = Vref , Ik =10 mA, Tmin≤Tamb≤ Tmax

1.

∆V

ref is defined as the difference between the maximum and minimum values obtained over the full temperature range.

∆V

ref = Vref max. - Vref min.

730

7

30

mV

Ratio of Change in Reference Input Voltage to Change

in Cathode to Anode Voltage

Ik = 10mA,

∆V

KA = 10V to Vref

∆V

KA = 36V to 10V

-1.4

-1

-2.7

-2

-1.4

-1

-2.7

-2

mV/V

Iref

Reference Input Current

Ik = 10mA, R1 = 10k

Ω, R2 = ∞

Tamb = 25°C

Tmin ≤Tamb ≤Tmax

1.8

4

6.5

1.8

4

6.5

µA

∆Iref

Reference Input Current Deviation Over Temperature

Range

Ik = 10mA, R1 = 10k

Ω, R2 =∞

Tmin ≤Tamb ≤ Tmax

0.82.5

0.81.2

µA

Imin

Minimum Cathode Current for Regulation

VKA = Vref

0.5

1

0.5

0.7

mA

Ioff

Off-State Cathode Current

2.6

1000

2.6

1000

nA

⏐ZKA⏐

Dynamic Impedance (2)

VKA = Vref , ∆ Ik = 1 to100mA, f ≤1kHZ

2.

The dynamic Impedance is definied as

|ZKA| =

0.22

0.5

0.22

0.5

Ω

T1

T2

Temperature

V ref max.

V ref min.

∆Vref

∆Vka

------------

∆VKA

∆IK

-----------------

Nº de peça semelhante - TL431AID

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Motorola, Inc	TL431AID	258Kb / 16P	PROGRAMMABLE PRECISION REFERENCES
Texas Instruments	TL431AID	1Mb / 75P	[Old version datasheet] PRECISION PROGRAMMABLE REFERENCE
ON Semiconductor	TL431AID	173Kb / 18P	PROGRAMMABLE PRECISION REFERENCES April, 2012 ??Rev. 34
Texas Instruments	TL431AID	1Mb / 76P	[Old version datasheet] PRECISION PROGRAMMABLE REFERENCE
NXP Semiconductors	TL431AID	189Kb / 16P	Adjustable precision shunt regulators 1997 Feb 25

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