TL431ILPRAG datasheet(4/18 Pages) ONSEMI

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TL431A, B Series, NCV431A, B Series, SCV431A

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ELECTRICAL CHARACTERISTICS (TA = 25°C, unless otherwise noted.)

Characteristic

Symbol

TL431AI /

NCV431AI/

SCV431AI

TL431AC

TL431BC / TL431BI /

TL431BV /

NCV431BV

Unit

Min

Typ

Max

Min

Typ

Max

Min

Typ

Max

Reference Input Voltage (Figure 1)

VKA = Vref, IK = 10 mA

TA = 25°C

TA = Tlow to Thigh (Note 6)

Vref

2.47

2.44

2.495

−

2.52

2.55

2.47

2.453

2.495

−

2.52

2.537

2.485

2.475

2.495

2.505

2.515

V

Reference Input Voltage Deviation Over

Temperature Range (Figure 1, Notes 7, 8)

VKA= Vref, IK = 10 mA

DVref

−

7.0

30

−

3.0

17

−

3.0

17

mV

Ratio of Change in Reference Input Voltage to

Change in Cathode to Anode Voltage

IK = 10 mA (Figure 2),

DVKA = 10 V to Vref

DVKA = 36 V to 10 V

DV

ref

DV

KA

−

−1.4

−1.0

−2.7

−2.0

−

−1.4

−1.0

−2.7

−2.0

−

−1.4

−1.0

−2.7

−2.0

mV/V

Reference Input Current (Figure 2)

IK = 10 mA, R1 = 10 k, R2 = ∞

TA = 25°C

TA = Tlow to Thigh (Note 6)

Iref

−

1.8

−

4.0

6.5

−

1.8

−

4.0

5.2

−

1.1

−

2.0

4.0

mA

Reference Input Current Deviation Over

Temperature Range (Figure 2, Note 7)

IK = 10 mA, R1 = 10 k, R2 = ∞

DIref

−

0.8

2.5

−

0.4

1.2

−

0.8

2.5

mA

Minimum Cathode Current For Regulation

VKA = Vref (Figure 1)

Imin

−

0.5

1.0

−

0.5

1.0

−

0.5

1.0

mA

Off−State Cathode Current (Figure 3)

VKA = 36 V, Vref = 0 V

Ioff

−

20

1000

−

20

1000

−

0.23

500

nA

Dynamic Impedance (Figure 1, Note 9)

VKA = Vref, DIK = 1.0 mA to 100 mA

f

≤ 1.0 kHz

|ZKA|

−

0.22

0.5

−

0.22

0.5

−

0.14

0.3

W

Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product

performance may not be indicated by the Electrical Characteristics if operated under different conditions.

6. Tlow

= −40

°C for TL431AIP TL431AILP, TL431IP, TL431ILP, TL431BID, TL431BIP, TL431BILP, TL431BV, TL431AIDM, TL431IDM,

TL431BIDM, NCV431AIDMR2G, NCV431AIDR2G, NCV431BVDR2G, SCV431AIDMR2G

=0

°C for TL431ACP, TL431ACLP, TL431CP, TL431CLP, TL431CD, TL431ACD, TL431BCD, TL431BCP, TL431BCLP, TL431CDM,

TL431ACDM, TL431BCDM, SCV431AIDMR2G

Thigh = +85°C for TL431AIP, TL431AILP, TL431IP, TL431ILP, TL431BID, TL431BIP, TL431BILP, TL431IDM, TL431AIDM, TL431BIDM

= +70

°C for TL431ACP, TL431ACLP, TL431CP, TL431ACD, TL431BCD, TL431BCP, TL431BCLP, TL431CDM, TL431ACDM,

TL431BCDM

= +125

°C TL431BV, NCV431AIDMR2G, NCV431AIDR2G, NCV431BVDMR2G, NCV431BVDR2G, SCV431AIDMR2G

7. Guaranteed by design.

8. The deviation parameter

DVref is defined as the difference between the maximum and minimum values obtained over the full operating

ambient temperature range that applies.

DVref = Vref max

-Vref min

DTA = T2 - T1

T2

Ambient Temperature

T1

Vref min

Vref max

The average temperature coefficient of the reference input voltage,

aVref is defined as:

V

ref

ppm

_C

+

D V

ref

V

ref

@25

_C

X106

D T

A

+

D V

ref

x106

D T

A

(V

ref

@25

_C)

aVref can be positive or negative depending on whether Vref Min or Vref Max occurs at the lower ambient temperature. (Refer to Figure 6.)

Example :

DV

ref +

8.0 mV and slope is positive,

V

ref

@25

_C + 2.495 V, DT

A +

70

_C

a V

ref +

0.008 x 106

70 (2.495)

+ 45.8 ppm _C

9. The dynamic impedance ZKA is defined as |ZKA| +

D V

KA

D I

K

When the device is programmed with two external resistors, R1 and R2, (refer

to Figure 2) the total dynamic impedance of the circuit is defined as: |Z

KA

|

[ |Z

KA

|

1

) R1

R2

10. NCV431AIDMR2G, NCV431AIDR2G, NCV431BVDMR2G, NCV431BVDR2G, SCV431AIDMR2G Tlow = −40°C, Thigh = +125°C.

NCV prefix is for automotive and other applications requiring unique site and control change requirements.

Số phần tương tự - TL431ILPRAG

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	TL431ILPRAG	471Kb / 22P	Programmable Precision References April, 2022 - Rev. 43

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Mô tả tương tự - TL431ILPRAG

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