TLV431QPKG3 datasheet by Texas Instruments

TLV431QPKG3 Frequently Asked Questions (FAQs)

• What is the recommended operating temperature range for TLV431QPKG3?
  The recommended operating temperature range for TLV431QPKG3 is -40°C to 125°C. However, it's essential to note that the device can operate up to 150°C, but with reduced accuracy and reliability.
• How do I ensure the TLV431QPKG3 is stable and doesn't oscillate?
  To ensure stability, it's crucial to follow proper PCB layout guidelines, use a bypass capacitor (typically 10nF to 100nF) between the VREF and GND pins, and maintain a minimum output capacitance of 100nF. Additionally, avoid using long traces and minimize parasitic inductance.
• What is the maximum output current that the TLV431QPKG3 can sink or source?
  The TLV431QPKG3 can sink up to 15mA and source up to 1.5mA. It's essential to ensure that the output current doesn't exceed these limits to prevent device damage or malfunction.
• Can I use the TLV431QPKG3 as a voltage regulator?
  While the TLV431QPKG3 is primarily a voltage reference, it can be used as a voltage regulator in certain applications. However, it's essential to note that the device is not designed for high-current or high-power applications, and its output voltage regulation may not be as tight as a dedicated voltage regulator.
• How do I calculate the output voltage of the TLV431QPKG3?
  The output voltage of the TLV431QPKG3 is determined by the ratio of the resistors connected between the VREF and ADJ pins. The output voltage can be calculated using the formula: VOUT = VREF * (1 + R1/R2), where R1 and R2 are the resistors connected between the VREF and ADJ pins.