(China (Mainland))
Product Summary
The tl431cpsr is a three-terminal adjustable shunt regulator, with specified thermal stability over applicable automotive, commercial, and military temperature ranges. The output voltage can be set to any value between Vref (approximately 2.5 V) and 36 V, with two external resistors. The tl431cpsr has a typical output impedance of 0.2Ω. Active output circuitry provides a very sharp turn-on characteristic, making the device excellent replacements for Zener diodes in many applications, such as onboard regulation, adjustable power supplies, and switching power supplies.
Parametrics
tl431cpsr absolute maxing ratings: (1)Cathode voltage, VKA: 37V; (2)Continuous cathode current range, IKA: -100 mA to 150 mA; (3)Reference input current range: -50μA to 10 mA; (4)Operating virtual junction temperature, TJ: 150℃; (5)Storage temperature range, Tstg: -65℃ to 150℃.
Features
tl431cpsr features: (1)Operation From -40℃ to 125℃; (2)Reference Voltage Tolerance at 25℃: 0.5% B Grade; 1% A Grade; 2% Standard Grade; (3)Low Output Noise; (4)0.2-Ω Typical Output Impedance; (5)Sink-Current Capability 1 mA to 100 mA; (6)Adjustable Output Voltage Vref to 36 V.
Diagrams
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 TL431CPSR |
Texas Instruments |
Voltage & Current References Adjustable Precision Shunt Regulator |
Data Sheet |
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TL431CPSRG4 |
Texas Instruments |
Voltage & Current References Adjustable Precision Shunt Regulator |
Data Sheet |
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