000 Green (RoHS & no Sb/Br) SNCU Level-1-NA-UNLIM LM431 ACZ LM431ACZ/LFT4 ACTIVE TO-92 LP 3 2000 Green (RoHS & no Sb/Br) SNCU Level-1-NA-UNLIM LM431 ACZ LM431ACZ/NOPB ACTIVE TO-92 LP 3 1800 Green (RoHS & no Sb/Br) SNCU Level-1-NA-UNLIM -40 to 85 LM431 ACZ LM431AIM ACTIVE SOIC D 8 95 TBD CU SNPB Level-1-235C-UNLIM -40 to 85 LM431 AIM LM431AIM/NOPB ACTIVE SOIC D 8 95 Green (RoHS & no Sb/Br) CU SN Level-1-260C-UNLIM -40 to 85 LM431 AIM LM431AIM3 ACTIVE SOT-23 DBZ 3 1000 TBD CU SNPB Level-1-260C-UNLIM -40 to 85 N1E LM431AIM3/NOPB ACTIVE SOT-23 DBZ 3 1000 Green (RoHS & no Sb/Br) CU SN Level-1-260C-UNLIM -40 to 85 N1E LM431AIM3X ACTIVE SOT-23 DBZ 3 3000 TBD CU SNPB Level-1-260C-UNLIM -40 to 85 N1E LM431AIM3X/NOPB ACTIVE SOT-23 DBZ 3 3000 Green (RoHS & no Sb/Br) CU SN Level-1-260C-UNLIM -40 to 85 N1E LM431AIMX ACTIVE SOIC D 8 2500 TBD CU SNPB Level-1-235C-UNLIM -40 to 85 LM431 AIM Addendum-Page 1 Samples PACKAGE OPTION ADDENDU
otherwise the same KA431SAMF LM431BIM3 Precision Zener shunt regulator SOT23-3 SOT23-3 -25C to 85 -40C to 85C 2.5 2.5 S 1% accuracy KA431SLMF LM431CIM3 Precision Zener shunt regulator SOT23-3 SOT23-3 -25C to 85 -40C to 85C 2.5 2.5 S 0.5% accuracy KA431SMF LM431AIM3 Precision Zener shunt regulator SOT23-3 SOT23-3 -25C to 85C -40C to 85C 2.5 2.5 S 2% accuracy KA4558 LM1458N Dual operational amplifier MDIP-8 MDIP-8 0C to 70C 0C to 70C - - D Compatibility codes: D = Drop-in replacement S = Same function, package, and pinout but not drop-in replacement (May not meet all key specs. See datasheets for differences.) F = Same function, different pinout and/or package (See datasheets for differences.) National's LM301AN is an upgrade N = Similar function, different package and/or pinout (See datasheets for differences.) Supplier part number National Semiconductor part number Product description Supplier package National package Supplier temperature range National temperature range Supplier voltage options
en (RoHS & no Sb/Br) CU SN N / A for Pkg Type LM431 ACZ LM431ACZ/LFT4 ACTIVE TO-92 LP 3 2000 Green (RoHS & no Sb/Br) CU SN N / A for Pkg Type LM431 ACZ LM431ACZ/NOPB ACTIVE TO-92 LP 3 1800 Green (RoHS & no Sb/Br) CU SN N / A for Pkg Type 0 to 70 LM431 ACZ LM431AIM NRND SOIC D 8 95 TBD Call TI Call TI -40 to 85 LM431 AIM LM431AIM/NOPB ACTIVE SOIC D 8 95 Green (RoHS & no Sb/Br) CU SN Level-1-260C-UNLIM -40 to 85 LM431 AIM LM431AIM3 NRND SOT-23 DBZ 3 1000 TBD Call TI Call TI -40 to 85 N1E LM431AIM3/NOPB ACTIVE SOT-23 DBZ 3 1000 Green (RoHS & no Sb/Br) CU SN Level-1-260C-UNLIM -40 to 85 N1E LM431AIM3X/NOPB ACTIVE SOT-23 DBZ 3 3000 Green (RoHS & no Sb/Br) CU SN Level-1-260C-UNLIM -40 to 85 N1E LM431AIMX/NOPB ACTIVE SOIC D 8 2500 Green (RoHS & no Sb/Br) CU SN Level-1-260C-UNLIM -40 to 85 LM431 AIM LM431AIZ/LFT1 ACTIVE TO-92 LP 3 2000 Green (RoHS & no Sb/Br) CU SN N / A for Pkg Type LM431AIZ/NOPB ACTIVE TO-92 LP 3 1800 Green (RoHS & no Sb/
Br) SN | CU SN N / A for Pkg Type LM431 ACZ LM431ACZ/LFT4 ACTIVE TO-92 LP 3 2000 Green (RoHS & no Sb/Br) SN | CU SN N / A for Pkg Type LM431 ACZ LM431ACZ/NOPB ACTIVE TO-92 LP 3 1800 Green (RoHS & no Sb/Br) SN | CU SN N / A for Pkg Type -40 to 85 LM431 ACZ LM431AIM NRND SOIC D 8 95 TBD Call TI Call TI -40 to 85 LM431 AIM LM431AIM/NOPB ACTIVE SOIC D 8 95 Green (RoHS & no Sb/Br) CU SN Level-1-260C-UNLIM -40 to 85 LM431 AIM LM431AIM3 NRND SOT-23 DBZ 3 1000 TBD Call TI Call TI -40 to 85 N1E LM431AIM3/NOPB ACTIVE SOT-23 DBZ 3 1000 Green (RoHS & no Sb/Br) CU SN Level-1-260C-UNLIM -40 to 85 N1E LM431AIM3X/NOPB ACTIVE SOT-23 DBZ 3 3000 Green (RoHS & no Sb/Br) CU SN Level-1-260C-UNLIM -40 to 85 N1E LM431AIMX/NOPB ACTIVE SOIC D 8 2500 Green (RoHS & no Sb/Br) CU SN Level-1-260C-UNLIM -40 to 85 LM431 AIM LM431AIZ/LFT1 ACTIVE TO-92 LP 3 2000 Green (RoHS & no Sb/Br) SN | CU SN N / A for Pkg Type Addendum-Page 1 LM431 AIZ Samples PACKAGE OPTION ADD
en (RoHS & no Sb/Br) CU SN N / A for Pkg Type LM431 ACZ LM431ACZ/LFT4 ACTIVE TO-92 LP 3 2000 Green (RoHS & no Sb/Br) CU SN N / A for Pkg Type LM431 ACZ LM431ACZ/NOPB ACTIVE TO-92 LP 3 1800 Green (RoHS & no Sb/Br) CU SN N / A for Pkg Type 0 to 70 LM431 ACZ LM431AIM NRND SOIC D 8 95 TBD Call TI Call TI -40 to 85 LM431 AIM LM431AIM/NOPB ACTIVE SOIC D 8 95 Green (RoHS & no Sb/Br) CU SN Level-1-260C-UNLIM -40 to 85 LM431 AIM LM431AIM3 NRND SOT-23 DBZ 3 1000 TBD Call TI Call TI -40 to 85 N1E LM431AIM3/NOPB ACTIVE SOT-23 DBZ 3 1000 Green (RoHS & no Sb/Br) CU SN Level-1-260C-UNLIM -40 to 85 N1E LM431AIM3X/NOPB ACTIVE SOT-23 DBZ 3 3000 Green (RoHS & no Sb/Br) CU SN Level-1-260C-UNLIM -40 to 85 N1E LM431AIMX/NOPB ACTIVE SOIC D 8 2500 Green (RoHS & no Sb/Br) CU SN Level-1-260C-UNLIM -40 to 85 LM431 AIM LM431AIZ/LFT1 ACTIVE TO-92 LP 3 2000 Green (RoHS & no Sb/Br) CU SN N / A for Pkg Type LM431AIZ/NOPB ACTIVE TO-92 LP 3 1800 Green (RoHS & no Sb/
M LM431ACZ/LFT3 ACTIVE TO-92 LP 3 2000 RoHS & Green SN N / A for Pkg Type LM431 ACZ LM431ACZ/LFT4 ACTIVE TO-92 LP 3 2000 RoHS & Green SN N / A for Pkg Type LM431 ACZ LM431ACZ/NOPB ACTIVE TO-92 LP 3 1800 RoHS & Green SN N / A for Pkg Type 0 to 70 LM431 ACZ LM431AIM NRND SOIC D 8 95 Non-RoHS & Green Call TI Call TI -40 to 85 LM431 AIM LM431AIM/NOPB ACTIVE SOIC D 8 95 RoHS & Green SN Level-1-260C-UNLIM -40 to 85 LM431 AIM LM431AIM3 NRND SOT-23 DBZ 3 1000 Non-RoHS & Green Call TI Call TI -40 to 85 N1E LM431AIM3/NOPB ACTIVE SOT-23 DBZ 3 1000 RoHS & Green SN Level-1-260C-UNLIM -40 to 85 N1E LM431AIM3X/NOPB ACTIVE SOT-23 DBZ 3 3000 RoHS & Green SN Level-1-260C-UNLIM -40 to 85 N1E LM431AIMX/NOPB ACTIVE SOIC D 8 2500 RoHS & Green SN Level-1-260C-UNLIM -40 to 85 LM431 AIM LM431AIZ/LFT1 ACTIVE TO-92 LP 3 2000 RoHS & Green SN N / A for Pkg Type LM431AIZ/NOPB ACTIVE TO-92 LP 3 1800 RoHS & Green SN N / A for Pkg Type -40 to 85 LM431BCM/NOPB ACTIV
M LM431ACZ/LFT3 ACTIVE TO-92 LP 3 2000 RoHS & Green SN N / A for Pkg Type LM431 ACZ LM431ACZ/LFT4 ACTIVE TO-92 LP 3 2000 RoHS & Green SN N / A for Pkg Type LM431 ACZ LM431ACZ/NOPB ACTIVE TO-92 LP 3 1800 RoHS & Green SN N / A for Pkg Type 0 to 70 LM431 ACZ LM431AIM NRND SOIC D 8 95 Non-RoHS & Green Call TI Call TI -40 to 85 LM431 AIM LM431AIM/NOPB ACTIVE SOIC D 8 95 RoHS & Green SN Level-1-260C-UNLIM -40 to 85 LM431 AIM LM431AIM3 NRND SOT-23 DBZ 3 1000 Non-RoHS & Green Call TI Call TI -40 to 85 N1E LM431AIM3/NOPB ACTIVE SOT-23 DBZ 3 1000 RoHS & Green SN Level-1-260C-UNLIM -40 to 85 N1E LM431AIM3X/NOPB ACTIVE SOT-23 DBZ 3 3000 RoHS & Green SN Level-1-260C-UNLIM -40 to 85 N1E LM431AIMX/NOPB ACTIVE SOIC D 8 2500 RoHS & Green SN Level-1-260C-UNLIM -40 to 85 LM431 AIM LM431AIZ/LFT1 ACTIVE TO-92 LP 3 2000 RoHS & Green SN N / A for Pkg Type LM431AIZ/NOPB ACTIVE TO-92 LP 3 1800 RoHS & Green SN N / A for Pkg Type -40 to 85 LM431BCM/NOPB ACTIV
M LM431ACZ/LFT3 ACTIVE TO-92 LP 3 2000 RoHS & Green SN N / A for Pkg Type LM431 ACZ LM431ACZ/LFT4 ACTIVE TO-92 LP 3 2000 RoHS & Green SN N / A for Pkg Type LM431 ACZ LM431ACZ/NOPB ACTIVE TO-92 LP 3 1800 RoHS & Green SN N / A for Pkg Type 0 to 70 LM431 ACZ LM431AIM NRND SOIC D 8 95 Non-RoHS & Non-Green Call TI Call TI -40 to 85 LM431 AIM LM431AIM/NOPB ACTIVE SOIC D 8 95 RoHS & Green SN Level-1-260C-UNLIM -40 to 85 LM431 AIM LM431AIM3 NRND SOT-23 DBZ 3 1000 Non-RoHS & Non-Green Call TI Call TI -40 to 85 N1E LM431AIM3/NOPB ACTIVE SOT-23 DBZ 3 1000 RoHS & Green SN Level-1-260C-UNLIM -40 to 85 N1E LM431AIM3X/NOPB ACTIVE SOT-23 DBZ 3 3000 RoHS & Green SN Level-1-260C-UNLIM -40 to 85 N1E LM431AIMX/NOPB ACTIVE SOIC D 8 2500 RoHS & Green SN Level-1-260C-UNLIM -40 to 85 LM431 AIM LM431AIZ/LFT1 ACTIVE TO-92 LP 3 2000 RoHS & Green SN N / A for Pkg Type LM431AIZ/NOPB ACTIVE TO-92 LP 3 1800 RoHS & Green SN N / A for Pkg Type -40 to 85 LM431BCM/NO
2000 Green (RoHS & no Sb/Br) SN N / A for Pkg Type LM431 ACZ LM431ACZ/LFT4 ACTIVE TO-92 LP 3 2000 Green (RoHS & no Sb/Br) SN N / A for Pkg Type LM431 ACZ LM431ACZ/NOPB ACTIVE TO-92 LP 3 1800 Green (RoHS & no Sb/Br) SN N / A for Pkg Type 0 to 70 LM431 ACZ LM431AIM NRND SOIC D 8 95 TBD Call TI Call TI -40 to 85 LM431 AIM LM431AIM/NOPB ACTIVE SOIC D 8 95 Green (RoHS & no Sb/Br) SN Level-1-260C-UNLIM -40 to 85 LM431 AIM LM431AIM3 NRND SOT-23 DBZ 3 1000 TBD Call TI Call TI -40 to 85 N1E LM431AIM3/NOPB ACTIVE SOT-23 DBZ 3 1000 Green (RoHS & no Sb/Br) SN Level-1-260C-UNLIM -40 to 85 N1E LM431AIM3X/NOPB ACTIVE SOT-23 DBZ 3 3000 Green (RoHS & no Sb/Br) SN Level-1-260C-UNLIM -40 to 85 N1E LM431AIMX/NOPB ACTIVE SOIC D 8 2500 Green (RoHS & no Sb/Br) SN Level-1-260C-UNLIM -40 to 85 LM431 AIM LM431AIZ/LFT1 ACTIVE TO-92 LP 3 2000 Green (RoHS & no Sb/Br) SN N / A for Pkg Type LM431AIZ/NOPB ACTIVE TO-92 LP 3 1800 Green (RoHS & no Sb/Br) SN N / A fo
% Temperature Range LM431CCZ/ LM431CCZ LM431BCZ/ LM431BCZ LM431ACZ/ LM431ACZ 0C to +70C LM431CIZ/ LM431CIZ LM431BIZ/ LM431BIZ LM431AIZ/ LM431AIZ -40C to +85C LM431CCM/ 431CCM LM431BCM/ 431BCM LM431ACM/ LM431ACM 0C to +70C LM431CIM/ 431CIM LM431BIM/ 431BIM LM431AIM/ LM431AIM -40C to +85C LM431CCM3/ N1B LM431BCM3/ N1D LM431ACM3/ N1F LM431CIM3 N1A LM431BIM3 N1C LM431AIM3 N1E -40C to +85C LM431AIBP LM431AIBPX(Note 1) -40C to +85C - - NSC Drawing Rails Z03A Rails and Tape &Reel M08A Rails and Tape &Reel MF03A 0C to +70C Note 1: The micro SMD package marking is a 1 digit manufacturing Date Code only micro SMD Top View Marking Example DS010055-56 www.national.com Transport Media 2 250 Units Tape and Reel BPA04AFA 3k Units Tape and Reel LM431 Symbol and Functional Diagrams DS010055-99 DS010055-55 DC Test Circuits DS010055-4 DS010055-5 Note: VZ = VREF (1 + R1/R2) + IREF * R1 FIGURE 1. Test Circuit for VZ = VREF FIGURE 2. Test Circuit for VZ > VREF DS010055-6 FIGURE 3. Test Circui
% Temperature Range LM431CCZ/ LM431CCZ LM431BCZ/ LM431BCZ LM431ACZ/ LM431ACZ 0C to +70C LM431CIZ/ LM431CIZ LM431BIZ/ LM431BIZ LM431AIZ/ LM431AIZ -40C to +85C LM431CCM/ 431CCM LM431BCM/ 431BCM LM431ACM/ LM431ACM 0C to +70C LM431CIM/ 431CIM LM431BIM/ 431BIM LM431AIM/ LM431AIM -40C to +85C LM431CCM3/ N1B LM431BCM3/ N1D LM431ACM3/ N1F LM431CIM3 N1A LM431BIM3 N1C LM431AIM3 N1E -40C to +85C LM431AIBP LM431AIBPX(Note 1) -40C to +85C - - NSC Drawing Rails Z03A Rails and Tape &Reel M08A Rails and Tape &Reel MF03A 0C to +70C Note 1: The micro SMD package marking is a 1 digit manufacturing Date Code only micro SMD Top View Marking Example DS010055-56 www.national.com Transport Media 2 250 Units Tape and Reel BPA04AFB 3k Units Tape and Reel LM431 Symbol and Functional Diagrams DS010055-99 DS010055-55 DC Test Circuits DS010055-4 DS010055-5 Note: VZ = VREF (1 + R1/R2) + IREF * R1 FIGURE 1. Test Circuit for VZ = VREF FIGURE 2. Test Circuit for VZ > VREF DS010055-6 FIGURE 3. Test Circui
Diagrams TO-92: Plastic Package SO-8: 8-Pin Surface Mount SOT-23: 3-Lead Small Outline TL/H/10055 - 2 TL/H/10055-1 Top View Order Number LM431ACZ, LM431AIZ, LM431BCZ, LM431BIZ, LM431CCZ or LM431CIZ TL/H/10055 - 28 Top View Top View Order Number LM431ACM, LM431AIM, LM431BCM, LM431BIM, LM431CCM or LM431CIM Order Number LM431ACM3, LM431AIM3, LM431BCM3, LM431BIM3, LM431CCM3 or LM431CIM3 Ordering Information* Typical Accuracy Package 0.5% Temperature Range 1% 2% TO-92 LM431CCZ LM431CIZ LM431BCZ LM431BIZ LM431ACZ LM431AIZ 0 C to a 70 C b 40 C to a 85 C SO-8 LM431CCM LM431CIM LM431BCM LM431BIM LM431ACM LM431AIM 0 C to a 70 C b 40 C to a 85 C SOT-23 LM431CCM3 LM431CIM3 LM431BCM3 LM431BIM3 LM431ACM3 LM431AIM3 0 C to a 70 C b 40 C to a 85 C *See Table 1 for package marking for SOT-23. C1996 National Semiconductor Corporation TL/H/10055 RRD-B30M17/Printed in U. S. A. http://www.national.com LM431 Adjustable Precision Zener Shunt Regulator December 1996 Absolute Maximu
CZ/ LM431BCZ LM431ACZ/ LM431ACZ 0C to +70C LM431CIZ/ LM431CIZ LM431BIZ/ LM431BIZ LM431AIZ/ LM431AIZ -40C to +85C LM431CCM/ 431CCM LM431BCM/ 431BCM LM431ACM/ LM431ACM LM431CCMX/ 431CCM LM431BCMX/ LM431ACMX/ 431BCM LM431ACM LM431CIM/ 431CIM LM431BIM/ 431BIM LM431AIM/ LM431AIM LM431CIMX/ 431CIM LM431BIMX/ 431BIM LM431AIMX/ LM431AIM LM431CCM3/ N1B LM431BCM3/ LM431ACM3/ N1D N1F LM431BIM3 N1C - - Tape & Reel M08A Rails -40C to +85C Tape &Reel Rails 0C to +70C Tape & Reel MF03A LM431AIM3 N1E Rails -40C to +85C Tape &Reel LM431AIBP LM431AIBPX (Note 1) -40C to +85C Note 1: The micro SMD package marking is a 1 digit manufacturing Date Code only micro SMD Top View Marking Example 01005556 www.national.com Z03A 0C to +70C LM431BIM3X LM431AIM3X N1C N1E micro SMD Rails Rails LM431CCM3X/ LM431BCM3X/ LM431ACM3X/ N1B N1D N1F LM431CIM3X N1A NSC Drawing 2% LM431CCZ/ LM431CCZ LM431CIM3 N1A Transport Media 2 250 Units Tape and Reel 3k Units Tape and Ree
CZ/ LM431BCZ LM431ACZ/ LM431ACZ 0C to +70C LM431CIZ/ LM431CIZ LM431BIZ/ LM431BIZ LM431AIZ/ LM431AIZ -40C to +85C LM431CCM/ 431CCM LM431BCM/ 431BCM LM431ACM/ LM431ACM LM431CCMX/ 431CCM LM431BCMX/ 431BCM LM431ACMX/ LM431ACM LM431CIM/ 431CIM LM431BIM/ 431BIM LM431AIM/ LM431AIM LM431CIMX/ 431CIM LM431BIMX/ 431BIM LM431AIMX/ LM431AIM LM431CCM3/ N1B LM431BCM3/ N1D LM431ACM3/ N1F LM431CCM3X/ N1B LM431BCM3X/ N1D LM431ACM3X/ N1F LM431CIM3 N1A LM431BIM3 N1C LM431AIM3 N1E LM431CIM3X N1A LM431BIM3X N1C LM431AIM3X N1E Transport Media NSC Drawing Rails Z03A Rails 0C to +70C Tape & Reel M08A Rails -40C to +85C Tape &Reel Rails 0C to +70C Tape & Reel MF03A Rails -40C to +85C Tape &Reel Symbol and Functional Diagrams 1005599 1005555 www.national.com 2 LM431 DC Test Circuits 1005504 1005505 Note: VZ = VREF (1 + R1/R2) + IREF* R1 FIGURE 1. Test Circuit for VZ = VREF FIGURE 2. Test Circuit for VZ > VREF 1005506 FIGURE 3. Test Circuit for Off-State Curr
: Plastic Package SO-8: 8-Pin Surface Mount SOT-23: 3-Lead Small Outline DS010055-2 DS010055-1 Top View Order Number LM431ACZ, LM431AIZ, LM431BCZ, LM431BIZ, LM431CCZ or LM431CIZ Ordering Information SO-8 SOT-23 DS010055-28 Top View Order Number LM431ACM3, LM431AIM3, LM431BCM3, LM431BIM3, LM431CCM3 or LM431CIM3 (Note 1) Package TO-92 Top View Order Number LM431ACM, LM431AIM, LM431BCM, LM431BIM, LM431CCM or LM431CIM LM431 LM431 Adjustable Precision Zener Shunt Regulator LM431 Adjustable Precision Zener Shunt Regulator November 1996 Typical Accuracy Temperature Range 0.5% 1% 2% LM431CCZ LM431BCZ LM431ACZ 0C to +70C LM431CIZ LM431BIZ LM431AIZ -40C to +85C LM431CCM LM431BCM LM431ACM 0C to +70C LM431CIM LM431BIM LM431AIM -40C to +85C LM431CCM3 LM431BCM3 LM431ACM3 0C to +70C LM431CIM3 LM431BIM3 LM431AIM3 -40C to +85C Note 1: See Table 1 for package marking for SOT-23. (c) 1997 National Semiconductor Corporation www.national.com DS010055 PrintDate=1997/06/12 PrintTi