TL431CZT-AP datasheet(2/10 Pages) STMICROELECTRONICS

부품명	TL431CZT-AP

상세설명	PROGRAMMABLE VOLTAGE REFERENCE

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TL431

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ABSOLUTE MAXIMUM RATINGS

OPERATING CONDITIONS

ELECTRICAL CHARACTERISTICS

T

amb = 25°C (unless otherwise specified)

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.

2) The dynamic Impedance is definied as

ZKA =

Symbol

Parameter

Value

Unit

VKA

Cathode to Anode Voltage

37

V

Ik

Continuous Cathode Current Range

-100 to +150

mA

Iref

Reference Input Current Range

-0.05 to +10

mA

pd

Power Dissipation 1)

TO92

SO8 batwing

625

960

mW

Tstg

Storage Temperature Range

-65 to +150

°C

1. Pd is calculated with Tamb = +25°C, Tj = +150°C and Rthja = 200°C/W for TO92 package

= 130°C/W for SO8 batwing package

Symbol

Parameter

Value

Unit

VKA

Cathode to Anode Voltage

Vref to 36

V

Ik

Cathode Current

1 to 100

mA

Toper

Operating Free-air Temperature Range TL431C/AC

TL431I/AI

0 to +70

-40 to +105

°C

Symbol

Parameter

TL431C

TL431AC

Unit

Min.

Typ.

Max.

Min.

Typ.

Max.

Vref

Reference Input Voltage

VKA = Vref , Ik = 10 mA

Tamb = 25°C

Tmin ≤Tamb ≤ Tmax

2.44

2.423

2.495

2.55

2.567

2.47

2.453

2.495

2.52

2.537

V

∆V

ref

Reference Input Voltage Deviation Over-

Temperature Range - note 1

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

3

17

3

15

mV

Ratio of Change in Reference Input

Voltage to Change in Cathode to Anode

Voltage - (figure 2)

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

5.2

1.8

4

5.2

µA

∆I

ref

Reference Input Current Deviation

Over Temperature Range

Ik = 10mA, R1 = 10k

Ω, R2 =∞

Tmin ≤Tamb ≤ Tmax

0.4

1.2

0.4

1.2

µA

Imin

Minimum Cathode Current for Regulation

VKA = Vref

0.5

1

0.5

0.6

mA

Ioff

Off-State Cathode Current

2.6

1000

2.6

1000

nA

ZKA

Dynamic Impedance - note 2

VKA = Vref ,∆ Ik = 1 to100mA, f ≤1kHZ

0.22

0.5

0.22

0.5

Ω

∆Vref

∆Vka

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

T1

T2

Temperature

V ref max.

V ref min.

∆VKA

∆IK

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

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