HomedatasheetTL431IDR

TL431IDR Datasheet

Voltage References
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Description

The TL431IDR and TL432 are three-terminal adjustable shunt regulators, 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 (see Figure 17). These devices have a typical output impedance of 0.2 Ω. Active output circuitry provides a very sharp turn-on characteristic, making these devices excellent replacements for Zener diodes in many applications, such as onboard regulation, adjustable power supplies, and switching power supplies. The TL432 has exactly the same functionality and electrical specifications as the TL431IDR, but has different pinouts for the DBV, DBZ, and PK packages. Both the TL431IDR and TL432 devices are offered in three grades, with initial tolerances (at 25°C) of 0.5%, 1%, and 2%, for the B, A, and standard grade, respectively. In addition, low output drift vs temperature ensures good stability over the entire temperature range. TL431IDR Features • Reference Voltage Tolerance at 25°C• Typical Temperature Drift (TL431B)– 6 mV (C Temp)– 14 mV (I Temp, Q Temp)• Low Output Noise• 0.2-Ω Typical Output Impedance• Sink-Current Capability . . . 1 mA to 100 mA
Features

Parameters

[{"Name":"Initial Accuracy:","Value":"2 %"},{"Name":"Series VREF - Input Voltage (Max):","Value":"37 V"},{"Name":" Shunt Current (Max):","Value":"100 mA"},{"Name":"Maximum Operating Temperature:","Value":"+ 85 C"},{"Name":" Minimum Operating Temperature:","Value":"- 40 C"},{"Name":"Shunt Current (Min):","Value":"600 uA"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

DIODES INCORPORATED

Diodes Incorporated is a leading global manufacturer and supplier of high-quality, application-specific, standard products within the broad discrete, logic and analog semiconductor markets. Diodes Incorporated primarily serves the computing, consumer, communications, industrial and automotive segments. Diodes’ diverse product portfolio includes parts for LCD/LED TVs and displays, desktop, notebook and tablet computing, smartphones and hand-held devices, set-top boxes, power supplies and USB protection as well as many other application areas.

Diodes Incorporated offers a wide array of products including diodes, rectifiers, transistors, MOSFETs, gate drivers, protection devices, function-specific arrays, amplifiers and comparators, Hall-effect sensors and temperature sensors, power management devices including LED drivers, AC-DC converters and controllers, DC-DC switching regulators, linear voltage regulators, current monitors, and voltage reference and shunt regulators, along with special function devices including USB power switches, load switch devices, voltage supervisors and motor controllers.


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