TL431CS datasheet(3/11 Pages) AIC

部件名	TL431CS

功能描述	Adjustable Precision Shunt Regulators

PDF	11 Pages

Scroll/Zoom	100%

制造商	AIC [Analog Intergrations Corporation]

网页	http://www.analog.com.tw

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3 / 11 page

AIC431/TL431A/TL431

n TEST CIRCUITS

VREF

IREF

AIC431

VREF

IREF

AIC431

Note: VZ=VREF(1+R1/R2)+IREFxR1

Fig. 1 Test Circuit for VZ=VREF

Fig. 2 Test circuit for VZ>VREF

IZ(OFF)

AIC431

Fig. 3 Test circuit for off-state Current

n ELECTRICAL CHARACTERISTICS (Ta=25°C, unless otherwise specified.)

PARAMETER

TEST CONDITIONS

SYMBOL

MIN.

TYP.

MAX.

UNIT

VZ=VREF,

AIC431

2.482

2.495

2.508

IL =10mA (Fig. 1)

TL431A

2.470

2.495

2.520

Reference Voltage

TL431

VREF

2.455

2.495

2.535

Deviation of Reference

Input Voltage Over

Temperature (Note 3)

VZ = VREF , IL =10mA,

Ta = 0

°C~ +85°C (Fig. 1)

VDEV

9.0

Ratio of the Change in Refer-

ence Voltage to

IZ=10mA

∆V

Z=10V-VREF

-0.5

-2.0

mV/V

the Change in Cathode volt-

age

(Fig. 2)

∆V

Z=30V-10V

∆V

REF

∆V

-0.35

-1.5

mV/V

Reference Input Current

R1 =10K

Ω, R2=∞,

IL =10mA (Fig. 2)

IREF

0.8

3.5

µA

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