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TL431CDM Datasheet(PDF) 1 Page - Microsemi Corporation |
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TL431CDM Datasheet(HTML) 1 Page - Microsemi Corporation |
1 / 12 page DESCRIPTION KEY FEA TURES W INITIAL VOLTAGE REFERENCE ACCURACY OF 0.4% (TL431B) W SINK CURRENT CAPABILITY 1mA to 100mA W TYPICAL OUTPUT DYNAMIC IMPEDANCE LESS THAN 200m Ω; TYPICAL OUTPUT IMPEDANCE OF THE TL431B LESS THAN 100m Ω W ADJUSTABLE OUTPUT VOLTAGE FROM 2.5V TO 36V W AVAILABLE IN SURFACE-MOUNT PACKAGES W LOW OUTPUT NOISE W TYPICAL EQUIVALENT FULL RANGE TEMPERATURE COEFFICIENT OF 30ppm/°C W DIRECT PIN-TO-PIN REPLACEMENT FOR INDUSTRY STANDARD TL431 AND TL1431 The TL431/TL431A/TL431B series precision adjustable three terminal shunt voltage regulators are pin-to-pin compatible with the industry standard TL431. The output voltage of this reference is programmable by using two external resistors from 2.5V to 36V. These devices offer low output impedance for improved load regulation. The typical output impedance of these devices is 200m Ω. These devices find application in the feedback path of switching power supplies, OVP crowbar circuits, reference for A/D, D/A, and as zener diodes with improved turn-on characteristics. P RECISION P ROGRAMMABLE R EFERENCES PRODUCT HIGHLIGHT P ACKAGE ORDER INFORMA TION T A (°C) Initial Tolerance Plastic SOIC 8-pin DM Plastic TO-92 3-pin LP 2% TL431CDM TL431CLP 0 to 70 1% TL431ACDM TL431ACLP 0.4% TL431BCDM TL431BCLP 2% TL431IDM TL431ILP -40 to 85 1% TL431AIDM TL431AILP 0.4% TL431BIDM TL431BILP TL431/A & TL431B R1 R2 V OUT V IN R1 R2 V O = 1 + * VREF Note: All surface-mount packages are available in Tape & Reel. Append the letter "T" to part number. (i.e. TL431CDMT) TO-92 (LP) package also available in ammo-pack. P RECISION P ROGRAMMABLE R EFERENCES P RODUCTION D AT A S HEET T HE I NFINITE P OWER OF I NNOV A TION TL431/TL431A/TL431B Copyright © 1999 Rev. 1.3 9/99 1 11861 WESTERN AVENUE, GARDEN GROVE, CA. 92841, 714-898-8121, FAX: 714-893-2570 L IN F INITY M ICROELECTRONICS I NC . NOTE: For current data & package dimensions, visit our web site: http://www.linfinity.com. |
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