TL431ACMX 데이터 시트보기 (PDF) - Wing Shing International Group

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TL431ACMX

Adjustable Precision Shunt Regulator (I Grade)

Wing Shing International Group 

TL431I

Adjustable Precision Shunt Regulator (I Grade)

RECOMMENDED OPERATING CONDITIONS

Characteristic

Symbol

Cathode Voltage

VKA

Cathode Current

IK

ELECTRICAL CHARACTERISTICS

(Ta = 25oC, VKA = VREF, IK = 10mA unless otherwise specified)

Test Condition

Min

REF

0.5

Typ Max

40

100

Unit

V

mA

Characteristic

Reference Input Voltage

Deviation of Reference Input

Voltage Over Full Temperature

Range

Ratio of Change in Reference Input

Voltage to the Change in Cathode

Voltage

Reference Input Current

Deviation of Reference Input

Current Over Full Temperature

Range

Minimum Cathode Current for

Regulation

Off-State Cathode Current

Dynamic Impedance

Symbol

VREF

VREF(dev)

∆V R EF

∆V K A

IREF

IREF(dev)

IK(min)

IK(off)

ZKA

Test Condition

Tmin ≤ Ta ≤ Tmax

Vka=Vref, Ik=10mA

∆VKA = 10V-VREF

∆VKA = 36V- 10V

R1 = 10KΩ, R2 = ∞

R1 = 10KΩ, R2 = ∞

VKA = 42V, VREF = 0

IK = 10mA to 100 mA , f ≤ 1.0KHz

Min

Typ

Max

Unit

2.445 2.495 2.545

V

3

17

mV

-1.4

-2.7

mV/V

-1.0

-2.0

1.5

4

µA

0.4

1.2

µA

0.50 1

mA

0.05

1.0

µA

0.15

0.5

Ω

Ordering Information

Grade

AA

A

B

Accuracy

0.5% of Typ.

1 % of Typ.

2 % of Typ.

Marking

TL431AA

TL431A

TL431

Min.

2.488V

2.475V

2.445V

Typ.

2.495V

2.495V

2.495V

Max.

2.513V

2.525V

2.545V

Notice: Please don't confuse the version of product (-A,-I,-B Suffix) with Grade of product (AA,A,B).

TEST CIRCUITS

Fig.1. Test Circuit for VKA = VREF

IN P U T

VKA

IK

V REF

B T 432

Fig.2. Test Circuit for VKA ≥ VREF

IN P U T

V KA

Fig.3. Test Circuit for Ioff

IN P U T

VKA

R1

IR E F

R 2 V R EF

IK

B T 432

IK (O F F )

B T 432

V K A = V R E F (1+ R 1/R 2)+ IR E F R 1

2

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