TL431 TO-92标准规格书下载

TL431 Adjustable Accurate Reference Source

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FEATURES

== Low dynamic output impedance ,its typical value is 0.2 Trapping current capability is 1 to 100mA

The typical value of the equivalent temperature factor in the whole

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temperature scope is 50 ppm/℃

The effective temperature compensation in the working range of full temperatureLow output noise voltage Fast on-state response

The output voltage can be adjusted to 36V

ABSOLUTE MAXIMUM RATINGS(Operating temperature range applies unless otherwise specified)

VCathode Voltage VkA Cathode Current(Continoues) IKA Power Dissipation PD Operating temperature Topr 0-70 ℃ 0℃ ℃

ELECTRICAL CHARCTERISTICS (Tamp=25℃ unless otherwise specified) Note:TMIN=0℃,TMAX=+70℃

Parameter Symbol Test conditions MIN TYP MAXUNITReference Input Voltage Vref VKA=VREF,IkA2.4952.545Deviation of reference Input V VKA=VREF,IkA=10mA

△Vref/△T

Over temperature(note) Tmin≤Ta≤Tmax 4.5 17 mV

Ratio Of Change in Reference Input △ VKA

Voltage to the change in Cathode IkA==10V~ VREF -1.0 -2.7 mV/V△Vref/△VKA

Voltage

△V

KA mV/V =36V~10V

IkA10 mA,R110ΚΩ,R2=∞Deviation Of Reference Input Current IkA=10 mA,R1=10ΚΩ,R2=∞ uA

△Iref/△T Over Full Temperature Range TA=full Temperature

Minimum cathode current for regulation IKAKA =VREFOff-state cathode Current Dynamic Impedance

IKA(oFFKA=36V, VREF VKA =VREF,IKA=1to100mA

ZKA f≤1.0KHZ Ω

Note:TMIN=0℃,TMAX=+70℃

CLASSIFICATION OF Vref Rank 0.5% Range 2.483-2.507

1% 2.470-2.520 2% 2.445-2.545

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