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TL431 Datasheet Three-terminal Programmable Shunt Regulator Diode

Manufacturer: Motorola Semiconductor (now NXP Semiconductors)

Overview: Order this document by TL431/D TL431, A, B Programmable Precision References The TL431, A, B integrated circuits are three–terminal programmable shunt regulator diodes.

Key Features

  • igure 6.) ppm V ref _C + ǒ T1 Ambient Temperature D Vref V ref @ 25_C D T Ǔ T2 X 10 6 +DT V ref D Example : DV V + 8.0 mV and slope is positive, @ 25_C + 2.495 V, DT + 70_C ref A ref a 3. The dynamic impedance ZKA is defined as |Z KA| 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 + DDVIKA x 106 + 45.8 ppmń_C + 0.008 70 (2.495) Ȁ| [ |ZKA| ǒ 1 ) R1 R2 Ǔ 4.

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