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LM25066 データシート(PDF) 7 Page - Texas Instruments |
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LM25066 データシート(HTML) 7 Page - Texas Instruments |
7 / 63 page LM25066 www.ti.com SNVS654J – FEBRUARY 2010 – REVISED DECEMBER 2015 Electrical Characteristics (continued) Limits in standard type are for TJ = 25°C only; limits in boldface type apply over the junction temperature (TJ) range of –40°C to 85°C unless otherwise stated. Minimum and Maximum limits are guaranteed through test, design, or statistical correlation. Typical values represent the most likely parametric norm at TJ = 25°C, and are provided for reference purposes only. Unless otherwise stated the following conditions apply: VIN = 12 V (see (1) and (2)). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT CURRENT LIMIT CL = GND 22.5 25 27 VCL Threshold voltage CL = GND, TJ = 10°C to 85°C 23 25 27 mV CL = VDD 42.3 46 49.7 Enabled, SENSE = OUT 33 ISENSE SENSE input current Disabled, OUT = 0 V 46 µA Enabled, OUT = 0 V 45 CIRCUIT BREAKER Threshold voltage × 1.8 VIN - SENSE, CL = GND, CB = GND 35 45 55 mV VCB CB:CL ratio CB = GND 1.6 1.8 2 Threshold voltage × 3.6 VIN - SENSE, CL = GND, CB = VDD 70 90 110 mV VCB CB:CL ratio CB = VDD 3.1 3.6 4 TIMER (TIMER PIN) VTMRH Upper threshold 1.54 1.7 1.85 V Restart cycles 0.85 1.0 1.07 V VTMRL Lower threshold End of 8th cycle 0.3 V Re-enable threshold 0.3 V Insertion time current –3 –5.5 –8 µA Sink current, end of insertion time 1.4 1.9 2.4 mA ITIMER Fault detection current TIMER pin = 2 V –120 –90 –60 µA Fault sink current 2.8 µA DCFAULT Fault restart duty cycle 0.67% INTERNAL REFERENCE VREF Reference voltage 2.703 2.73 2.757 V ADC AND MUX Resolution 12 Bits INL Integral non-linearity ADC only ±1 LSB TELEMETRY ACCURACY CL = GND 30.2 mV IINFSR Current input full scale range CL = VDD 60.4 mV CL = GND 7.32 µV IINLSB Current input LSB CL = VDD 14.64 µV VAUXFSR VAUX input full scale range 1.16 V VAUXLSB VAUX input LSB 283.2 µV VINFSR Input voltage full scale range 18.7 V VINLSB Input voltage LSB 4.54 mV VIN – SENSE = 25 mV, CL = GND –2.7 2.4 IINACC Input current accuracy VIN – SENSE = 25 mV, CL = GND –2.4% 2.4% TJ = 10°C to 85°C VIN, VOUT = 12 V –1.6% 1.4% VAUX = 1 V VACC VAUX, VIN, VOUT accuracy VIN, VOUT = 12 V VAUX = 1 V –1.4% 1.4% TJ = 10°C to 85°C Copyright © 2010–2015, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: LM25066 |
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