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TS2431ILT from SGS-THOMSON, 3000pcs , SOT23,PROGRAMMABLE SHUNT REFERENCE
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TS2431ILT SGS-THOMSON N/a 3000
TS2431ILT from STM, ST Microelectronics 36418pcs , SOT23-3,PROGRAMMABLE SHUNT REFERENCE
TS2431ILT from ST, ST Microelectronics 9000pcs , SOT23,PROGRAMMABLE SHUNT REFERENCE

ELECTRICAL CHARACTERISTICST = 25°C (unless otherwise specified) AMBIENTSymbol Parameter Test Condition Min. Typ. Max. UnitV Reference input Voltage V =V , I =10mA2.5REF K REF KTS2431 (2%) 2.45 2.55VTS2431A (1%) 2.475 2.525TS2431B (0.5%) 2.488 2.5120°C < T < +70°C 10 20Reference input Voltage deviation over |ΔV | temperature, V =V , I =10mA -40°C < T < +85°C 17 30 mVREF K REF K (note 1,2)-40°C < T < +105°C 20 35TTemperature coefficient (note 2) -40°C < T < +105°C 50 100 ppm/°CCT = 25°C 0.3 0.8IMinimum Operating Current mAKMIN-40°C < T < +105°C 1Ratio of change in reference inputI =10mAKΔVrefvoltage to change in cathode to anode 0.3 2 mV/V-- ----- ---- --- -Vka= 24 to 2.5VvoltageΔVkReference input current T=25°C 0.5 2.5IμAREFI =10mA, R1=10KΩ, R2=+ ∞ (note 3)-40°C < T < +105°C 3KReference input current deviation|ΔI |-40°C < T < +105°C 0.4 1.2 μAREFI =10mA, R1=10KΩ, R2=+ ∞ (note 3)KI Off-state cathode current V =24V, V =GND 10 500 nAOFF K REFV =VK REF|Z |Reverse dynamic impedance 0.5 0.75 ΩKAΔI =1 to 50mA, f<10kHzKIk = 10mAEWide Band Noise 300 nV/√HzN10Hz < f < 10kHzNote 1: Limits are 100% production tested at 25°C. Limits over temperature are guaranteed through correlation and by design.Note 2: |ΔV | is defined as the difference between the maximum and minimum values of V obtained over the full temperature rangeREFREFNote 3: Refer to figure "Test circuit for Vka>Vref" page 42/6TS2431Reference voltage vs temperature Test circuit for Vka = Vref 2.52Ik =10 mAInputOutputVka = Vref2.51Ik2.50Vka2.49Vref2.48-40 -20 0 20406080 100Temperature (°C)Cathode voltage vs cathode current Cathode voltage vs cathode current 3 32T=-40°C2Vka = Vref1T=25°CT=+25°C0 1T=+105°CVka = Vref-10-0.10 -0.05 0.00 0.05 0.10 0 100 200 300 400Ika Cathode current (A)Ik Cathode current (μA)Reference input current vs temperature Dynamic impedance vs frequency 1.00 5Ik=10mA40.75 R1=10KΩR2=+∞Vka=Vref3Ik=1mA0.50T=25°C20.2510.00 0-40 -20 0 20406080 100 10 100 1000 10000 100000 1000000Temperature (°C) Frequency (Hz)3/6Reference input current (μA) Vka Cathode voltage (V) Voltage reference (V)Zka Dynamic impedance (Ohms) Vka Cathode voltage (V)TS2431Off-State current vs temperature Test circuit for Off-State current measurement 0.3Vka=24V0.2Ioff0.10.0-40 -20 0 20 406080 100Temperature (°C)Ratio of change in reference input voltage to Test circuit for Vka > Vref change in Vka voltage vs temperature 0.4Input VkaIk0.3ΔVka=24 to 2.5VIk=10mAR1T=25°C Iref0.2R2Vref0.10.0-40 -20 0 20 40 60 80 100Vka = Vref . (1+R1/R2) + Iref . R1Temperature (°C)Phase and Gain vs frequency Test circuit for phase and gain measurement 4/6ΔVref / ΔVka (mV/V)Off-state current (μA)TS2431Pulse response at Ik=1mA Test circuit for pulse response at Ik = 1mA 6Input voltageΩ2.5 KIk=1mA 4PulseOutput voltageGeneratorF=100kHz20 to 5VIk= 0 to 1mAT=25°C00.0 0.5 1.0 1.5 2.0Time (μs)Pulse response at Ik = 1mA Equivalent input noise vs frequency 6 300Input voltage2504200Ik= 1mA to 0Vka=Vref150T=25°CIk=1mAT=25°C2 100Output voltage500 00.0 0.5 1.0 1.5 2.0 0.1 1 10 100 1000Time (μs) Frequency (KHz)Stability boundary conditions ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value UnitVka Cathode to Anode voltage 25 VIReverse Breakdown Current -100 to +150 mAKIReference input current range -0.05 to +10 mAREF1)P 360 mWd Power Dissipation SOT23-3TStorage Temperature -65 to +150 °CstdHuman Body Model (HBM) 2 kVESDMachine Model (MM) 200 VTLead Temperatue (soldering, 10 seconds) 260 °CLEAD1. Pd has been calculated with Tamb = 25°C, Tjunction =150°C and Rthja = 340°C/W for the SOT23-3 packageOPERATING CONDITIONS Symbol Parameter Value UnitV V to 24Cathode to Anode voltage VKA REF1)I 1 to 100 mAK Cathode operating currentTOperating Free Air Temperature Range -40 to +105 °Coper1. Maximum power dissipation must be strictly observed to avoid the component destruction.applications where spacesaving is a critical issue. PIN CONNECTIONS (top view) APPLICATION■ Computers■ Instrumentation■ Battery chargersCathode1■ Switch Mode Power Supply■ Battery operated equipmentsAnode3ORDER CODE Part NumberReferenceSOT23 2PrecisionMarking in SOT23-32% TS2431ILT L2851% TS2431AILT L286SOT23-30.5% TS2431BILT L287Single temperature range: -40 to +105°CLT = Tiny Package (SOT23-3) - only available in Tape & Reel (LT) February 2002 1/6TS2431TS2431

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