LRC LESHAN RADIO COMPANY,LTD. Programmable Precision Reference LTL431ATSLT1G '(6&5,37,21 7KH LTL LV D WKUHHWHUPLQDO DGMXVWDEOH UHJXODWRU ZLWK D JXDUDQWHHG WKHUPDO VWDELOLW\ RYHU DSSOLFDEOH WHPSHUDWXUH UDQJHV 7KH RXWSXW YROWDJH PD\ EH VHW WR DQ\ YDOXH EHWZHHQ 9UHI DSSUR[LPDWHO\ 9 DQG 9 ZLWK WZR H[WHUQDO UHVLVWRUV ,W SURYLGHV YHU\ ZLGH DSSOLFDWLRQV LQFOXGLQJ VKXQW UHJXODWRU VHULHV UHJXODWRU VZLWFKLQJ UHJXODWRUYROWDJHUHIHUHQFHDQGRWKHUV SOT-23 1: Cathode; 2: Ref; 3: Anode )($785(6 3URJUDPPDEOHRXWSXW9ROWDJHWR9 /RZG\QDPLFRXWSXWLPSHGDQFHΩ . 6LQNFXUUHQWFDSDELOLW\RIWRP$ (TXLYDOHQWIXOOUDQJHWHPSHUDWXUHFRHIILFLHQWRISSP°& W\SLFDOIRURSHUDWLRQRYHUIXOOUDWHG RSHUDWLQJWHPSHUDWXUH UDQJH ESD Enhanced; HBM 8000V Pb-Free package is available %/2&.',$*5$0 CATHODE(K) REFERENCE(R) ANODE(A) Ver1.5 1/5 LRC LESHAN RADIO COMPANY,LTD. A%62LUTE 0A;I0U0 RATING6 2SHUDWLQJ WHPSHUDWXUH UDQJH DSSOLHV XQOHVV RWKHUZLVH VSHFLILHG 3ARA0ETER 6<0%2L 9ALUE UNIT 9.A I.A IUHI TM TRSU TVWJ 3 1 a 1 a 1 1 - 4 a 1 a 1 9 PA PA °C °C °C CDWKRGH 9ROWDJH CDWKRGH CXUUHQW RDQJH CRQWLQXRXV RHIHUHQFH IQSXW CXUUHQW RDQJH 2SHUDWLQJ -XQFWLRQ THPSHUDWXUH 2SHUDWLQJ APELHQW THPSHUDWXUH 6WRUDJH THPSHUDWXUH THPSHUDWXUH REC200ENDED 23ERATING C2NDITI2N6 3ARA0ETER T<3 6<0%2L 0IN 9.A I.A 9RE) 0.5 1 CDWKRGH 9ROWDJH CDWKRGH CXUUHQW 0A; UNIT 3 1 9 PA ELECTRICAL CHARACTERISTICS(Ta=25°C,unless otherwise specified) Characteristic Symbol Reference Input Voltage 1 Test conditions MIN TYP MAX UNIT 2.488 2.475 2.450 2.483 2.470 2.445 2.50 2.50 2.50 2.495 2.495 2.495 4.5 2.512 2.525 2.550 2.507 2.520 2.545 25 V mV -1.0 -2.7 mV/V ∆VKA=36V~10V IKA=10mA,R1=10k ,R2=∞ IKA=10mA,R1=10kΩ,R2=∞,TA= full Temperature VKA=VREF -0.5 1 0.2 -2.0 2 0.4 µA µA 0.3 0.5 mA VKA=36V,VREF=0 VKA=VREF,IKA=1 to 100mA f≤1.0kHz 0.05 0.15 0.5 0.5 µA Ω 0.5% 1% 2% Reference Input Voltage 2* 0.5% 1% 2% Deviation of reference Input Voltage Over temperature Ratio of Change in Reference Input Voltage to the Change in Cathode Voltage Vref VKA=VREF,IKA=10mA Vref VKA=VREF,IKA=10mA ∆Vref VKA=VREF,IKA=10mA TMIN≤TA≤TMAX IKA=10mA ∆VKA=10V~VREF Reference Input Current Deviation of Reference Input Current Over Ful l Temperature Range Minimum cathode current for regulation Off-state cathode Current Dynamic Impedance Iref ∆Iref/∆T ∆Vref/∆VKA IKA(min) IKA(OFF) ZKA V * CLASSIFICATION OF Vref AND PACKAGE RanK Range(V) Marking Packa TRSU LTL431ATSLT1G 0.5% 2.488~2.512 LAS SOT-23 -40~+125 °C LTL431BTSLT1G 1% 2.475~2.525 LBS SOT-23 -40~+125 °C SOT-23 -40~+125 °C SOT-23 -40~+125 °C Type LTL431APTSLT1G 0.5% 2.483~2.507 LCS LTL431BPTSLT1G 1% 2.470~2.520 LDS Ver1.5 2/5 LRC LESHAN RADIO COMPANY,LTD. T<3ICAL 3ER)2R0ANCE C+ARACTERI6TIC6 Fig 1 Cathode Current Vs Cathode Voltage )LJ CDWKRGH CXUUHQW 9V CDWKRGH 9ROWDJH TD C 9.A 9RE) 1 µA CDWKRGH CXUUHQW PA 1 CDWKRGH CXUUHQW TD C 9.A 9RE) 4 I.A PLQ 1 1 1 CDWKRGH 9ROWDJH 1 I.A 1PA TD C 1 1 3 TD C 4 3 1 3 4 1 1 3 3 4 1 )LJ D\QDPLF IPSHGDQFH 9V )UHTXHQF\ 4 9ROWDJH APSOLILFDWLRQ G% IPSHGDQFH ( Ω ) 1 3 )LJ 6PDOO 6LJQDO 9ROWDJH APSOLILFDWLRQ 9V )UHTXHQF\ TD C I.A PA WR 1PA 1 TLPH PV CDWKRGH 9ROWDJH 9 1 3 9 )LJ 4 3XOVH RHVSRQVH IQSXW DQG 2XWSXW 9ROWDJH 9 1 CDWKRGH 9ROWDJH )LJ 3 CKDQJH LQ RHIHUHQFH IQSXW 9ROWDJH 9V CDWKRGH YROWDJH CKDQJH IQ RHIHUHQFH INSXW 9ROWDJH P9 3 9 1 TD C I.A 1PA 4 3 1 1 1 1 3 1 4 1 )UHTXHQF\ Ver1.5 1 +] 1 1 3 1 1 4 1 1 1 )UHTXHQF\ +] 3/5 LRC LESHAN RADIO COMPANY,LTD. TE6T CIRCUIT 9.A IN3UT IN3UT I.A 9.A IN3UT 9.A I.A I.A 2)) R1 IRE) LR431 LR431 R 9RE) LR431 9RE) 9.A 9RE) 1R1R IRE) R1 )LJ 7 THVW CLUFXLW )RU 9.A 9RE) )LJ 8 THVW CLUFXLW IRU 9.A ! 9RE) )LJ 9 THVW CLUFXLW )RU I.A 2)) A33LICATI2N CIRCUIT 9L IN 9R 9L 9L LR C2002N R1 R1 9RE) R1 9RE) 9RE) R R R LR431 LR431 9R 1R1R 9R 1R1R 9E) R )LJ 1 6KXWGRZQ RHJXODWRU 9L LR431 R 9E) 9R 1R1R )LJ 11 2XWSXW CRQWURO RI D TKUHH THUPLQDO )L[HG RHJXODWRU IR 9R 9R 9R 2UT 9E) R )LJ 1 +LJKHUFXUUHQW 6KXQW RHJXODWRU IR 9L 9R RCL RV RV LR431 LR431 I2 9RE)R6 )LJ 13 CRQVWDQWFXUUHQW 6LQN Ver1.5 IR 9RE)RCL )LJ 14 CXUUHQW LLPLWLQJ RU CXUUHQW 6RXUFH 4/5 LRC LESHAN RADIO COMPANY,LTD. SOT-23 PACKAGE OUTLINE DIMENSIONS HE A1 Ɵ c A 0.25 L L1 e E b D SOT23 DIM MIN NOR MAX A 0.90 1.00 1.10 A1 0.01 0.06 0.10 b 0.30 0.40 0.50 c 0.10 0.17 0.20 D 2.80 2.90 3.00 E 1.20 1.30 1.40 e 1.80 1.90 2.00 L 0.20 0.40 0.60 0.60REF L1 HE 2.20 2.40 2.60 θ 0º – 10º All Dimensions in mm Ver1.5 GENERAL NOTES 1.Top package surface finish Ra0.4±0.2um 2.Bottom package surface finish Ra0.7±0.2um 3.Side package surface finish Ra0.4±0.2um 5/5