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TLV431B

PinoutSpecificationsCathode voltage, VKA (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 VContinuous cathode current range, IK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .−20 mA to 20 mAReference current range, I...

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SeekIC No. : 004522493 Detail

TLV431B: PinoutSpecificationsCathode voltage, VKA (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 VContinuous cathode current range, IK . . . . . . ...

TLV431B Data Sheet

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Part Number:
TLV431B
Supply Ability:
5000

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  • 1~5000
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  • Processing time
  • 15 Days
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Product Details

Description



Pinout

Connection Diagram


Specifications

Cathode voltage, VKA (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
Continuous cathode current range, IK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .−20 mA to 20 mA
Reference current range, Iref . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   −0.05 mA to 3 mA
Package thermal impedance, JA (see Notes 2 and 3): D package . . . . . . . . . . . . . .  . . . 97°C/W
                                                                                  DBV package . . . . . . . . . . . . . . . .  206°C/W
                                                                                  DBZ package. . . . . . . . . . . . . . . . . 206°C/W
                                                                                  DCK package . . . . . . . . . . . . . .  . . 252°C/W
                                                                                  LP package . . . .   . . . . . . . . . . . . . 140°C/W
                                                                                  PK package . . . . . . . . . . . . . . . . . . . 52°C/W
Operating virtual junction temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150°C
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65°C to 150°C


Description

The TLV431B is a low-voltage 3-terminal adjustable voltage reference with specified thermal stability over applicable industrial and commercial temperature ranges. Output voltage can be set to any value between VREF(1.24 V) and 6 V with two external resistors (see Figure 2). These devices operate from a lower voltage(1.24 V) than the widely used TL431 and TL1431 shunt-regulator references.

When used with an optocoupler, the TLV431B is an ideal voltage reference in isolated feedback circuits for 3-V to 3.3-V switching-mode power supplies. These devices have a typical output impedance of 0.25 . Active output circuitry provides a very sharp turn-on characteristic, making them excellent replacements for low-voltage Zener diodes in many applications, including on-board regulation and adjustable power supplies.




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