TL431 Просмотр технического описания (PDF) - First Components International

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TL431

Programmable Precision Reference

First Components International 

TL431 Programmable Precision Reference

Total Power Dissipation @TC=25℃

Derate above 25℃ Case Temperature

T,D Suffix Package

P Suffix Package

PD

H Suffix Package

LT1 Suffix Package

1.5

W

3.0

THERMAL CHARACTERISTICS

Characteristics

Thermal Resistance, Junction to Ambient

Thermal Resistance, Junction to Case

Symbol

T,D

Suffix

P

Suffix

H

Suffix

LT1

Suffix

RθJA 178 114 110 575

RθJC

83

41

8 150

Unit

℃/W

℃/W

RECOMMENDED OPERATING CONDITIONS

Condition/Value

Symbol

Min

Cathode to Anode Voltage

Cathode Current

VKA

Vref

IK

1.0

Max

Unit

36

V

100

mA

ELECTRICAL CHARACTERISTICS(Ambient temperature at 25℃ unless otherwise noted)

Characteristic

Reference Input Voltage (Fig 1)

TL431

Symbol

Unit

Min

Typ

Max

VKA=Vref , IK=10mA

TA=+25℃ Tolerance 0.5%

1%

2%

TA=Tlow to Thigh (Note 1)

Reference Input Voltage Deviation Over

Temperature Range (Fig 1, Note 1,2)

VKA=Vref . IK=10mA

Ratio of Change in Reference Input Voltage

To Change in Cathode to Anode Voltage

IK=10mA (Figure 2), ΔVKA=10V to Vref

ΔVKA=36V to 10V

Vref

2.483

2.470

2.445

2.453

ΔVref

--

∆Vref

∆VKA

--

--

2.495

--

3.0

-1.4

-1.0

2.507

2.520

2.55

2.537

17

-2.7

-2.0

V

mV

mV/V

3

2001-05-A

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