2.5 37 1 -25 to +85 SOT89 LM431BCZ 2.5 | ADJ 2.5 37 1 -25 to +85 TO92 LM431BIM 2.5 | ADJ 2.5 37 1 -40 to +85 SOP-8 LM431BIZ 2.5 | ADJ 2.5 37 1 -40 to +85 TO92 LM431CCM 2.5 | ADJ 2.5 37 0.5 -25 to +85 SOP-8 LM431CCMFX 2.5 | ADJ 2.5 37 0.5 -25 to +85 SOT23F LM431CCMLX 2.5 | ADJ 2.5 37 0.5 -25 to +85 SOT89 LM431CCZ 2.5 | ADJ 2.5 37 0.5 -25 to +85 TO92 LM431CIM 2.5 | ADJ 2.5 37 0.5 -40 to +85 SOP-8 LM431CIZ 2.5 | ADJ 2.5 37 0.5 -40 to +85 RC431AM ADJ 1.24 12 1.5 20 RC431AT ADJ 1.24 12 1.5 20 TL431CP 2.5 | ADJ 2.5 37 2 TO92 0 to 70 SOT23-5 0 to 70 TO92 -25 to +85 DIP-8 www.fairchildsemi.com/directory 31 Analog Selection Guide Power Management Switching Regulators -- DC:DC Conversion ICs Part Number Application Package Packing FAN5037M Desktop PC Logic/Vtt SO-8 Tube FAN5037MX Desktop PC Logic/Vtt SO-8 TnR FAN5038M Dual Voltage Controller for DSP/ASIC/FPGA Supplies SO-16 Tube FAN5038MX Dual Voltage Controller for DSP/ASIC/FPGA Supplies SO-16 TnR FAN5056MV85 Desktop PC CPU (VRM8.5), Soft Start LDOs; VCLK
9 1.50 0.20 4.50 0.20 (0.40) (1.10) 2.50 0.20 C0.2 4.10 0.20 (0.50) 1.65 0.10 0.50 0.10 0.40 0.10 0.40 +0.10 -0.05 1.50 TYP 1.50 TYP 11 LM431A/LM431B/LM431C Ordering Information Product Number Output Voltage Tolerance Package LM431CCZ TO-92 LM431CCM 8-SOP LM431CCML 0.5% SOT-89 LM431CCMF SOT-23F LM431BCZ TO-92 LM431BCM LM431BCML 1% 8-SOP SOT-89 LM431BCMF SOT-23F LM431ACN 8-DIP LM431ACZ TO-92 LM431ACM 2% SOT-89 LM431ACMF SOT-23F LM431CIM LM431BIZ LM431BIM LM431AIZ LM431AIM 0.5% 1% 2% -25 ~ + 85 oC 8-SOP LM431ACML LM431CIZ Operating Temperature TO-92 8-SOP TO-92 8-SOP -40 ~ + 85 oC TO-92 8-SOP DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE
2.5 37 1 -25 to +85 SOT89 LM431BCZ 2.5 | ADJ 2.5 37 1 -25 to +85 TO92 LM431BIM 2.5 | ADJ 2.5 37 1 -40 to +85 SOP-8 LM431BIZ 2.5 | ADJ 2.5 37 1 -40 to +85 TO92 LM431CCM 2.5 | ADJ 2.5 37 0.5 -25 to +85 SOP-8 LM431CCMFX 2.5 | ADJ 2.5 37 0.5 -25 to +85 SOT23F LM431CCMLX 2.5 | ADJ 2.5 37 0.5 -25 to +85 SOT89 LM431CCZ 2.5 | ADJ 2.5 37 0.5 -25 to +85 TO92 LM431CIM 2.5 | ADJ 2.5 37 0.5 -40 to +85 SOP-8 LM431CIZ 2.5 | ADJ 2.5 37 0.5 -40 to +85 TO92 LM431SACMFX 2.5 | ADJ 2.5 37 2 100 -25 to +85 SOT-23 LM431SBCMFX 2.5 | ADJ 2.5 37 1 100 -25 to +85 SOT-23 LM431SCCMFX 2.5 | ADJ 2.5 37 .5 100 -25 to +85 SOT-23 RC431AM ADJ 1.24 12 1.5 20 0 to +70 SOT23-5 RC431AT ADJ 1.24 12 1.5 20 0 to +70 TO92 TL431CP 2.5 | ADJ 2.5 37 2 -25 to +85 DIP-8 Part Number www.fairchildsemi.com Max Current mA Operating Temp C Package
9 1.50 0.20 4.50 0.20 (0.40) (1.10) 2.50 0.20 C0.2 4.10 0.20 (0.50) 1.65 0.10 0.50 0.10 0.40 0.10 0.40 +0.10 -0.05 1.50 TYP 1.50 TYP 11 LM431A/LM431B/LM431C Ordering Information Product Number Output Voltage Tolerance Package LM431CCZ TO-92 LM431CCM 8-SOP LM431CCML 0.5% SOT-89 LM431CCMF SOT-23F LM431BCZ TO-92 LM431BCM LM431BCML 1% 8-SOP SOT-89 LM431BCMF SOT-23F LM431ACN 8-DIP LM431ACZ LM431ACM 2% LM431ACMF LM431CIZ LM431CIM LM431BIZ LM431BIM LM431AIZ LM431AIM Operating Temperature -25 ~ + 85 oC TO-92 8-SOP SOT-23F 0.5% 1% 2% TO-92 8-SOP TO-92 8-SOP -40 ~ + 85 oC TO-92 8-SOP DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FO