upplies, and switching power supplies. Ordering Information{ PACKAGE TA -40C 40 C to 125 125C C ORDERABLE PART NUMBER TOP-SIDE MARKING TACQ SOT-23-5 (DBV) Reel of 3000 TL431AQDBVRQ1 SOT-23-5 (DBV) Reel of 3000 TL431QDBVRQ1 T3QU SOT-23-3 (DBZ) Reel of 3000 TL431AQDBZRQ1 TAQU For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI web site at http://www.ti.com. Package drawings, thermal data, and symbolization are available at http://www.ti.com/packaging. symbol REF ANODE functional block diagram CATHODE CATHODE + REF _ Vref ANODE Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PowerFLEX is a trademark of Texas Instruments. Copyright (c) 2008-2013, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products co
s. Ordering Information{ PACKAGE TA -40C to 125C ORDERABLE PART NUMBER TOP-SIDE MARKING TACQ SOT-23-5 (DBV) Reel of 3000 TL431AQDBVRQ1 SOT-23-3 (DBZ) Reel of 3000 TL431BQDBZRQ1 T3FU SOT-23-5 (DBV) Reel of 3000 TL431QDBVRQ1 T3QU SOT-23-3 (DBZ) Reel of 3000 TL431AQDBZRQ1 TAQU For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI web site at http://www.ti.com. Package drawings, thermal data, and symbolization are available at http://www.ti.com/packaging. symbol REF ANODE CATHODE functional block diagram CATHODE + REF _ Vref ANODE Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PowerFLEX is a trademark of Texas Instruments. Copyright 2008, Texas Instruments Incorporated !"# $"%&! '#( '"! ! $#!! $# )# # #* "# '' +,( '"! $!#- '# #!#&, !&"'# #- && $##( PO
evice Status (1) Package Type Package Pins Package Drawing Qty Eco Plan Lead/Ball Finish MSL Peak Temp (2) (6) (3) Op Temp (C) Device Marking (4/5) TL431AQDBVRQ1 ACTIVE SOT-23 DBV 5 3000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM -40 to 125 TACQ TL431AQDBZRQ1 ACTIVE SOT-23 DBZ 3 3000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM -40 to 125 TAQU TL431BQDBZRQ1 ACTIVE SOT-23 DBZ 3 3000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM -40 to 125 T3FU (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - T
evice Status (1) Package Type Package Pins Package Drawing Qty Eco Plan Lead/Ball Finish MSL Peak Temp (2) (6) (3) Op Temp (C) Device Marking (4/5) TL431AQDBVRQ1 ACTIVE SOT-23 DBV 5 3000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM -40 to 125 TACQ TL431AQDBZRQ1 ACTIVE SOT-23 DBZ 3 3000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM -40 to 125 TAQU TL431BQDBZRQ1 ACTIVE SOT-23 DBZ 3 3000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM -40 to 125 T3FU (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - T
s. Ordering Information{ PACKAGE TA -40C to 125C ORDERABLE PART NUMBER TOP-SIDE MARKING TACQ SOT-23-5 (DBV) Reel of 3000 TL431AQDBVRQ1 SOT-23-3 (DBZ) Reel of 3000 TL431BQDBZRQ1 T3FU SOT-23-5 (DBV) Reel of 3000 TL431QDBVRQ1 T3QU SOT-23-3 (DBZ) Reel of 3000 TL431AQDBZRQ1 TAQU For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI web site at http://www.ti.com. Package drawings, thermal data, and symbolization are available at http://www.ti.com/packaging. symbol REF ANODE CATHODE functional block diagram CATHODE + REF _ Vref ANODE Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PowerFLEX is a trademark of Texas Instruments. Copyright 2008, Texas Instruments Incorporated !"# $"%&! '#( '"! ! $#!! $# )# # #* "# '' +,( '"! $!#- '# #!#&, !&"'# #- && $##( PO
es. Ordering Information PACKAGE TA -40C to 125C ORDERABLE PART NUMBER TOP-SIDE MARKING SOT-23-5 (DBV) Reel of 3000 TL431AQDBVRQ1 TACQ SOT-23-3 (DBZ) Reel of 3000 TL431BQDBZRQ1 T3FU SOT-23-5 (DBV) Reel of 3000 TL431QDBVRQ1 T3QU SOT-23-3 (DBZ) Reel of 3000 TL431AQDBZRQ1 TAQU Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. symbol REF ANODE CATHODE functional block diagram CATHODE + REF _ Vref ANODE Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PowerFLEX is a trademark of Texas Instruments. Copyright 2006, Texas Instruments Incorporated !"# $"%&! '#( '"! ! $#!! $# )# # #* "# '' +,( '"! $!#- '# #!#&, !&"'# #- && $##( POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 1 SGLS302B - MARCH 2005 - REVISED MAY 2006 equivalent schematic{ CATHODE
s. Ordering Information{ PACKAGE TA -40C to 125C ORDERABLE PART NUMBER TOP-SIDE MARKING TACQ SOT-23-5 (DBV) Reel of 3000 TL431AQDBVRQ1 SOT-23-3 (DBZ) Reel of 3000 TL431BQDBZRQ1 T3FU SOT-23-5 (DBV) Reel of 3000 TL431QDBVRQ1 T3QU SOT-23-3 (DBZ) Reel of 3000 TL431AQDBZRQ1 TAQU For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI web site at http://www.ti.com. Package drawings, thermal data, and symbolization are available at http://www.ti.com/packaging. symbol REF ANODE CATHODE functional block diagram CATHODE + REF _ Vref ANODE Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PowerFLEX is a trademark of Texas Instruments. Copyright 2008, Texas Instruments Incorporated !"# $"%&! '#( '"! ! $#!! $# )# # #* "# '' +,( '"! $!#- '# #!#&, !&"'# #- && $##( PO
s. Ordering Information{ PACKAGE TA -40C to 125C ORDERABLE PART NUMBER TOP-SIDE MARKING TACQ SOT-23-5 (DBV) Reel of 3000 TL431AQDBVRQ1 SOT-23-3 (DBZ) Reel of 3000 TL431BQDBZRQ1 T3FU SOT-23-5 (DBV) Reel of 3000 TL431QDBVRQ1 T3QU SOT-23-3 (DBZ) Reel of 3000 TL431AQDBZRQ1 TAQU For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI web site at http://www.ti.com. Package drawings, thermal data, and symbolization are available at http://www.ti.com/packaging. symbol REF ANODE CATHODE functional block diagram CATHODE + REF _ Vref ANODE Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PowerFLEX is a trademark of Texas Instruments. Copyright 2008, Texas Instruments Incorporated !"# $"%&! '#( '"! ! $#!! $# )# # #* "# '' +,( '"! $!#- '# #!#&, !&"'# #- && $##( PO
es. Ordering Information PACKAGE TA -40C to 125C ORDERABLE PART NUMBER TOP-SIDE MARKING SOT-23-5 (DBV) Reel of 3000 TL431AQDBVRQ1 TACQ SOT-23-3 (DBZ) Reel of 3000 TL431BQDBZRQ1 T3FU SOT-23-5 (DBV) Reel of 3000 TL431QDBVRQ1 T3QU SOT-23-3 (DBZ) Reel of 3000 TL431AQDBZRQ1 TAQU Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. symbol REF ANODE CATHODE functional block diagram CATHODE + REF _ Vref ANODE Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PowerFLEX is a trademark of Texas Instruments. Copyright 2006, Texas Instruments Incorporated !"# $"%&! '#( '"! ! $#!! $# )# # #* "# '' +,( '"! $!#- '# #!#&, !&"'# #- && $##( POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 1 SGLS302B - MARCH 2005 - REVISED MAY 2006 equivalent schematic{ CATHODE
es. Ordering Information PACKAGE TA -40C to 125C ORDERABLE PART NUMBER TOP-SIDE MARKING SOT-23-5 (DBV) Reel of 3000 TL431AQDBVRQ1 TACQ SOT-23-3 (DBZ) Reel of 3000 TL431BQDBZRQ1 T3FU SOT-23-5 (DBV) Reel of 3000 TL431QDBVRQ1 T3QU SOT-23-3 (DBZ) Reel of 3000 TL431AQDBZRQ1 TAQU Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. symbol REF ANODE CATHODE functional block diagram CATHODE + REF _ Vref ANODE Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PowerFLEX is a trademark of Texas Instruments. Copyright 2006, Texas Instruments Incorporated !"# $"%&! '#( '"! ! $#!! $# )# # #* "# '' +,( '"! $!#- '# #!#&, !&"'# #- && $##( POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 1 SGLS302B - MARCH 2005 - REVISED MAY 2006 equivalent schematic{ CATHODE
s. Ordering Information{ PACKAGE TA -40C to 125C ORDERABLE PART NUMBER TOP-SIDE MARKING TACQ SOT-23-5 (DBV) Reel of 3000 TL431AQDBVRQ1 SOT-23-3 (DBZ) Reel of 3000 TL431BQDBZRQ1 T3FU SOT-23-5 (DBV) Reel of 3000 TL431QDBVRQ1 T3QU SOT-23-3 (DBZ) Reel of 3000 TL431AQDBZRQ1 TAQU For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI web site at http://www.ti.com. Package drawings, thermal data, and symbolization are available at http://www.ti.com/packaging. symbol REF ANODE CATHODE functional block diagram CATHODE + REF _ Vref ANODE Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PowerFLEX is a trademark of Texas Instruments. Copyright 2008, Texas Instruments Incorporated !"# $"%&! '#( '"! ! $#!! $# )# # #* "# '' +,( '"! $!#- '# #!#&, !&"'# #- && $##( PO
s. Ordering Information{ PACKAGE TA -40C to 125C ORDERABLE PART NUMBER TOP-SIDE MARKING TACQ SOT-23-5 (DBV) Reel of 3000 TL431AQDBVRQ1 SOT-23-3 (DBZ) Reel of 3000 TL431BQDBZRQ1 T3FU SOT-23-5 (DBV) Reel of 3000 TL431QDBVRQ1 T3QU SOT-23-3 (DBZ) Reel of 3000 TL431AQDBZRQ1 TAQU For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI web site at http://www.ti.com. Package drawings, thermal data, and symbolization are available at http://www.ti.com/packaging. symbol REF ANODE CATHODE functional block diagram CATHODE + REF _ Vref ANODE Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PowerFLEX is a trademark of Texas Instruments. Copyright 2008, Texas Instruments Incorporated !"# $"%&! '#( '"! ! $#!! $# )# # #* "# '' +,( '"! $!#- '# #!#&, !&"'# #- && $##( PO
s. Ordering Information{ PACKAGE TA -40C to 125C ORDERABLE PART NUMBER TOP-SIDE MARKING TACQ SOT-23-5 (DBV) Reel of 3000 TL431AQDBVRQ1 SOT-23-3 (DBZ) Reel of 3000 TL431BQDBZRQ1 T3FU SOT-23-5 (DBV) Reel of 3000 TL431QDBVRQ1 T3QU SOT-23-3 (DBZ) Reel of 3000 TL431AQDBZRQ1 TAQU For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI web site at http://www.ti.com. Package drawings, thermal data, and symbolization are available at http://www.ti.com/packaging. symbol REF ANODE CATHODE functional block diagram CATHODE + REF _ Vref ANODE Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PowerFLEX is a trademark of Texas Instruments. Copyright 2008, Texas Instruments Incorporated !"# $"%&! '#( '"! ! $#!! $# )# # #* "# '' +,( '"! $!#- '# #!#&, !&"'# #- && $##( PO
) 40.2k 1% resistor (0603) 100k SMT cermet trimmer, 11 turns MAX16818ATI+ (28-pin TQFN-EP, 5mm x 5mm) Voltage-output, high-side currentsense amplifier MAX4073TAXK+ (5-pin SC70-5) Low-voltage, adjustable precision shunt regulators (SOT23) Texas Instruments TL431AQDBZRQ1 Shunts PCB: MAX16818 Evaluation Kit+ Component Suppliers SUPPLIER PHONE WEBSITE Central Semiconductor 631-435-1110 www.centralsemi.com Diodes Inc. 805-446-4800 www.diodes.com Fairchild Semiconductor 888-522-5372 www.fairchildsemi.com IRC, Inc. 361-992-7900 www.irctt.com Murata Mfg. Co., Ltd. 770-436-1300 www.murata.com Panasonic Corp. 800-344-2112 www.panasonic.com Sumida Corp. 847-545-6700 www.sumida.com Vishay/Vitramon 203-268-6261 www.vishay.com Note: Indicate that you are using the MAX16818 when contacting these component suppliers. 2 _______________________________________________________________________________________ MAX16818 Evaluation Kit Recommended Equipment Before beginning, the following equipment is needed: * 6V to 2
es. Ordering Information PACKAGE TA -40C to 125C ORDERABLE PART NUMBER TOP-SIDE MARKING SOT-23-5 (DBV) Reel of 3000 TL431AQDBVRQ1 TACQ SOT-23-3 (DBZ) Reel of 3000 TL431BQDBZRQ1 T3FU SOT-23-5 (DBV) Reel of 3000 TL431QDBVRQ1 T3QU SOT-23-3 (DBZ) Reel of 3000 TL431AQDBZRQ1 TAQU Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. symbol REF ANODE CATHODE functional block diagram CATHODE + REF _ Vref ANODE Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PowerFLEX is a trademark of Texas Instruments. Copyright 2006, Texas Instruments Incorporated !"# $"%&! '#( '"! ! $#!! $# )# # #* "# '' +,( '"! $!#- '# #!#&, !&"'# #- && $##( POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 1 SGLS302B - MARCH 2005 - REVISED MAY 2006 equivalent schematic{ CATHODE