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TL431K Dataheets PDF



Part Number TL431K
Manufacturers UTC
Logo UTC
Description three-terminal adjustable regulator
Datasheet TL431K DatasheetTL431K Datasheet (PDF)

UNISONIC TECHNOLOGIES CO., LTD TL431 LINEAR INTEGRATED CIRCUIT PROGRAMMABLE PRECISION REFERENCE  DESCRIPTION The UTC TL431 is a three-terminal adjustable regulator with a guaranteed thermal stability over applicable temperature ranges. The output voltage may be set to any value between VREF (approximately 2.5V) and 36V with two external resistors. It provides very wide applications, including shunt regulator, series regulator, switching regulator, voltage reference and others.  FEATURES * .

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UNISONIC TECHNOLOGIES CO., LTD TL431 LINEAR INTEGRATED CIRCUIT PROGRAMMABLE PRECISION REFERENCE  DESCRIPTION The UTC TL431 is a three-terminal adjustable regulator with a guaranteed thermal stability over applicable temperature ranges. The output voltage may be set to any value between VREF (approximately 2.5V) and 36V with two external resistors. It provides very wide applications, including shunt regulator, series regulator, switching regulator, voltage reference and others.  FEATURES * Programmable output Voltage to 36V. * Low dynamic output impedance 0.2Ω. * Sink current capability of 1.0 to 100mA. * Equivalent full-range temperature coefficient of 50ppm/°C typical for operation over full rated operating temperature range.  ORDERING INFORMATION Ordering Number Lead Free Halogen Free Package Pin Assignment 12345678 TL431K-AB3-R TL431G-AB3-R SOT-89 R A K - - - - - TL431K-AE2-R TL431G-AE2-R SOT-23-3 R K A - - - - - TL431K-AE3-R TL431G-AE3-R SOT-23 R K A - - - - - TL431NSL-AE3-R TL431NSG-AE3-R SOT-23 K R A - - - - - TL431NSL-AE2-R TL431NSG-AE2-R SOT-23-3 K R A - - - - - TL431NSL-AH3-R TL431NSG-AH3-R TSOT-23 K R A - - - - - TL431K-AF5-R TL431G-AF5-R SOT-25 X X K R A - - - TL431K-AF5-B-R TL431G-AF5-B-R SOT-25 X A X K R - - - TL431K-AF5-C-R TL431G-AF5-C-R SOT-25 R A K X X - - - TL431K-S08-R TL431G-S08-R SOP-8 KAAXXAAR TL431K-K03-K TL431G-G03-K SIP-3 RAK - - - - - TL431K-T92-B TL431G-T92-B TO-92 RAK - - - - - TL431K-T92-K TL431G-T92-K TO-92 RAK - - - - - Note: Pin Code: K: Cathode A: Anode R: Reference X: No Connection Packing Tape Reel Tape Reel Tape Reel Tape Reel Tape Reel Tape Reel Tape Reel Tape Reel Tape Reel Tape Reel Bulk Tape Box Bulk www.unisonic.com.tw Copyright © 2018 Unisonic Technologies Co., Ltd 1 of 6 QW-R103-003.AQ TL431  MARKING PACKAGE SOT-23-3 SOT-23 (TL431) SOT-23-3 SOT-23 TSOT-23 (TL431NS) SOT-25 MARKING LINEAR INTEGRATED CIRCUIT PACKAGE SOP-8 MARKING SIP-3 SOT-25 (Pin B, C) SOT-89  PIN CONFIGURATION (For SOP-8) TO-92  BLOCK DIAGRAM REFERENCE 2.5V VREF CATHODE REFERENCE (R) CATHODE (K) ANODE(A) ANODE UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 6 QW-R103-003.AQ TL431 LINEAR INTEGRATED CIRCUIT  ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies, unless otherwise specified) PARAMETER SYMBOL RATINGS UNIT Cathode Voltage VKA 37 V Cathode Current Range(Continuous) Reference Input Current Range IKA -100 ~ +150 mA IREF -0.05 ~ +10 mA TO-92 770 mW SOT-89 800 mW Power Dissipation SOT-23/SOT-23-3 TSOT-23/SOT-25 PD 300 mW SIP-3 400 mW SOP-8 600 mW Operating Junction TJ +150 °C Operating Ambient (Note 2) TOPR -40 ~ +125 °C Storage Temperature TSTG -65 ~ +150 °C Notes: 1. Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. 2. It is guarantee by design, not.


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