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UCD9240 Datasheet(PDF) 3 Page - Texas Instruments |
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UCD9240 Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 39 page  ELECTRICAL CHARACTERISTICS UCD9240 www.ti.com................................................................................................................................................... SLUS766C – JULY 2008 – REVISED NOVEMBER 2008 PARAMETER TEST CONDITIONS MIN NOM MAX UNIT SUPPLY CURRENT IV33A VV33A = 3.3 V 8 15 IV33DIO VV33DIO = 3.3 V 2 10 Supply current mA IV33D VV33D = 3.3 V 40 45 VV33D = 3.3 V storing configuration IV33D 50 55 parameters in flash memory TBD INTERNAL REGULATOR CONTROLLER INPUTS/OUTPUTS VV33 3.3-V linear regulator Emitter of NPN transistor 3.25 3.3 3.35 V V33FB 3.3-V linear regulator feedback 4 4.6 IV33FB Series pass base drive VVIN = 12 V 10 mA Beta Series NPN pass device 40 EXTERNALLY SUPPLIED 3.3 V POWER VV33D, Digital 3.3-V power TA = 25° C 3.13 3.47 V VV33DION VV33A Analog 3.3-V power TA = 25° C 3.13 3.47 V ERROR AMPLIFIER INPUTS EAPn, EANn VCM Common mode voltage each pin -0.15 1.848 V VDIFF Differential Voltage Range -0.256 1.998 V VERROR Internal error Voltage range AFE_GAIN field of CLA_GAINS = 0(1) -256 248 mV EAP-EAN Error voltage digital resolution AFE_GAIN field of CLA_Gains = 3 1 mV REA Input Impedance Ground reference 0.5 1.5 3 M Ω IOFFSET Input offset current 1 k Ω source impedence -5 5 µA ANALOG INPUTS CS, Vin, TEMP, PMBusADDR IBIAS Bias current for PMBus Addr pins 9 11 µA VADDR_OPEN Voltage indicating open pin AddrSens 0,1 open 2.47 V VADDR_SHORT Voltage indicating shorted pin AddrSense 0,1 short to ground 0.179 V Inputs: VIn, Vtrack, Vtemp Measurment range for voltage VADC_RANGE CS-1A, CS-1B, CS-2A, CS-2B 0 2.5 V monitoring CS-3A, CS-3B, CS-4A, CS-4B Overcurrent comparator threshold VOC_THRS Inputs: CS-1A, CS-2A, CS-3A, CS-4A 0.032 2 V voltage range Overcurrent comparator threshold VOC_RES Inputs: CS-1A, CS-2A, CS-3A, CS-4A 31.25 mV voltage range ADCREF External Reference input (80-pin package) 1.8 V33A V Tempinternal Int. temperature sense accuracy Over range from 0 °C to 100°C -5 5 °C INL ADC integral nonlinearity -2.5 2.5 mV Ilkg Input leakage current 3V applied to pin 100 nA RIN Input impedance Ground reference 8 M Ω CIN Current Sense Input capacitance 10 pF (1) See the UCD92xx PMBus Command Reference for the description of the AFE_GAIN field of CLA_GAINS command. Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): UCD9240 |
Similar Part No. - UCD9240_17 |
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Similar Description - UCD9240_17 |
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