TL431AC 데이터 시트보기 (PDF) - Microsemi Corporation

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TL431AC

PROGRAMMABLE PRECISION REFERENCES

Microsemi Corporation 

TL431

ELECTRICAL CHARACTERISTICS

Tamb = 25°C (unless otherwise specified)

Symbol

Parameter

TL431I

Min. Typ. Max.

TL431AI

Min. Typ. Max.

Vref

∆Vref

∆----V---r--e---f

∆Vka

Iref

∆Iref

Imin

Ioff

ZKA

Reference Input Voltage

VKA = Vref , Ik = 10 mA Tamb = 25°C

Tmin ≤Tamb ≤ Tmax

Reference Input Voltage Deviation Over-

Temperature Range - note 1

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

Ratio of Change in Reference Input

Voltage to Change in Cathode to Anode

Voltage

Ik = 10mA

∆VKA = 10V to Vref

∆VKA = 36V to 10V

Reference Input Current

Ik = 10mA, R1 = 10kΩ, R2 = ∞

Tamb = 25°C

Tmin ≤Tamb ≤Tmax

Reference Input Current Deviation

Over Temperature Range

Ik = 10mA, R1 = 10kΩ, R2 =∞

Tmin ≤Tamb ≤ Tmax

Minimum Cathode Current for Regulation

VKA = Vref

Off-State Cathode Current

Dynamic Impedance note 2

VKA = Vref ,∆ Ik = 1 to100mA, f ≤1kHZ

2.44

2.41

2.495 2.55

2.58

7

30

-1.4 -2.7

-1

-2

1.8

4

6.5

0.8

2.5

0.5

1

2.6 1000

0.22 0.5

2.47 2.495 2.52

2.44

2.55

7

30

-1.4 -2.7

-1

-2

1.8

4

6.5

0.8

1.2

0.5

0.7

2.6 1000

0.22 0.5

1∆)V∆reVf r=ef

is defined

Vref max. -

as the difference

Vref min.

between

the

maximum

and

minimum

values

obtained

over

the

full

temperature

range.

Unit

V

mV

mV/V

µA

µA

mA

nA

Ω

V ref max.

V ref min.

T1

2)

The

dynamic

Impedance

is

definied

as

ZKA =

∆----V-----K-----A--

∆IK

T2

Temperature

3/10

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