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TL431-Q1 Datasheet PDF - Texas Instruments

Part NameDescriptionManufacturer
TL431-Q1 ADJUSTABLE PRECISION SHUNT REGULATOR TI
Texas Instruments TI
Other PDF  no available.
TL431-Q1 Datasheet PDF :   TL431-Q1 pdf   
TL431-Q1 image

description
The TL431 is a three-terminal adjustable shunt regulator with specified thermal stability over applicable automotive temperature ranges. The output voltage can be set to any value between Vref (approximately 2.5 V) and 36 V, with two external resistors (see Figure 17). This device has a typical output impedance of 0.2 Ω. Active output circuitry provides a sharp turn-on characteristic, making this device an excellent replacement for Zener diodes in many applications, such as onboard regulation, adjustable power supplies, and switching power supplies.

Qualified for Automotive Applications
Operation From −40°C to 125°C
Reference Voltage Tolerance at 25°C
  − 1%...A Grade
  − 0.5%...B Grade
Typical Temperature Drift
  − 14 mV (Q Temp)
Low Output Noise
0.2-ΩTypical Output Impedance
Sink-Current Capability = 1 mA to 100 mA
Adjustable Output Voltage = Vrefto 36 V

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