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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LM2724ALDX датащи(PDF) 4 Page - National Semiconductor (TI) |
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LM2724ALDX датащи(HTML) 4 Page - National Semiconductor (TI) |
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4 / 8 page  Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. V CC 7V BOOT to SW 7V BOOT to GND (Note 2) 35V SW to GND 30V Junction Temperature +150˚C Power Dissipation (Note 3) 720mW (SO-8) 3.2W (LLP-8) Storage Temperature −65˚C to 150˚C ESD Susceptibility Human Body Model (Note 4) 2.0 kV Soldering Time, Temperature 10sec., 300˚C Operating Ratings (Note 1) V CC 4.3V to 6.8V Junction Temperature Range -40˚C to 125˚C Electrical Characteristics LM2724A V CC = BOOT = SYNC = 5V, SW = GND = 0V, unless otherwise specified. Typicals and limits appearing in plain type apply for T A =TJ = +25˚C. Limits appearing in boldface type apply over the entire operating temperature range. Symbol Parameter Condition Min Typ Max Units POWER SUPPLY I q_op Operating Quiescent Current IN = 0V 145 195 µA TOP DRIVER Peak Pull-Up Current 3.0 A Pull-Up Rds_on I BOOT =IHG = 0.3A 1.2 Ω Peak Pull-down Current −3.2 A Pull-down Rds_on I SW =IHG = 0.3A 0.5 Ω t 4 Rise Time Timing Diagram, C LOAD = 3.3nF 17 ns t 6 Fall Time 12 ns t 3 Pull-Up Dead Time Timing Diagram 19 ns t 5 Pull-Down Delay Timing Diagram, from IN Falling Edge 27 ns BOTTOM DRIVER Peak Pull-Up Current 3.2 A Pull-up Rds_on I VCC =ILG = 0.3A 1.1 Ω Peak Pull-down Current 3.2 A Pull-down Rds_on I GND =ILG = 0.3A 0.6 Ω t 8 Rise Time Timing Diagram, C LOAD = 3.3nF 17 ns t 2 Fall Time 14 ns t 7 Pull-up Dead Time Timing Diagram 22 ns t 1 Pull-down Delay Timing Diagram 13 ns LOGIC V uvlo_up V CC Under-Voltage-Lock-Out Upper Threshold V CC rises from 0V toward 5V 4 V V uvlo_dn V CC Under-Voltage-Lock-Out Lower Threshold VCC falls from 5V toward 0V 2.5 V V uvlo_hys V CC Under-Voltage-Lock-Out Hysteresis V CC falls from 5V toward 0V 0.8 V V IH_SYNC SYNC Pin High Input 55% V CC V IL_SYNC SYNC Pin Low Input 25% I leak_SYNC SYNC Pin Leakage Current SYNC = 5V, Sink Current 2 µA SYNC = 0V, Source Current 10 www.national.com 4 |
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