TL431 Просмотр технического описания (PDF) - IK Semicon Co., Ltd

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TL431

Programmable Precision Reference

IK Semicon Co., Ltd 

Electrical Characteristics (Continued)

TL431

The average temperature coefficient of the reference input voltage, ∝VREF, is defined as:

Where:

T2 − T1 = full temperature change (0-70˚C).

∝VREF can be positive or negative depending on whether the slope is positive or negative.

Example: VDEV = 8.0 mV, VREF = 2495 mV, T2 − T1 = 70˚C, slope is positive.

Note 6: The dynamic output impedance, rZ, is defined as:

When the device is programmed with two external resistors, R1 and R2, (see Figure 2 ), the dynamic output impedance of the overall circuit, rZ, is defined as:

Rev. 00

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