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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LM2726M датащи(PDF) 4 Page - Texas Instruments |
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LM2726M датащи(HTML) 4 Page - Texas Instruments |
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4 / 16 page  LM2725, LM2726 SNVS144D – NOVEMBER 2000 – REVISED MARCH 2013 www.ti.com Electrical Characteristics LM2725 VCC = CBOOT = 5V, SW = GND = 0V, unless otherwise specified. Typicals and limits appearing in plain type apply for TA = TJ = +25°C. Limits appearing in boldface type apply over the entire operating temperature range. Symbol Parameter Condition Min Typ Max Units POWER SUPPLY Iq_op Operating Quiescent Current PWM_IN = 0V 180 250 µA Iq_sd Shutdown Quiescent Current EN = 0V, PWM_IN = 0V 0.5 15 µA TOP DRIVER Peak Pull-Up Current Test Circuit 1, Vbias = 5V, R = 1.2 A 0.1 Ω Pull-Up Rds_on ICBOOT = IHG = 0.7A 2.4 Ω Peak Pull-down Current Test Circuit 2, Vbias = 5V, R = −1.0 A 0.1 Ω Pull-down Rds_on ISW = IHG = 0.7A 1.4 Ω t4 Rise Time Timing Diagram, CLOAD = 3.3nF 17 ns t6 Fall Time 10 ns t3 Pull-Up Dead Time Timing Diagram 23 ns t5 Pull-Down Delay Timing Diagram, from PWM_IN 21 ns Falling Edge BOTTOM DRIVER Peak Pull-Up Current Test Circuit 3, Vbias = 5V, R = 1.2 A 0.1 Ω Pull-up Rds_on IVCC = ILG = 0.7A 2.6 Ω Peak Pull-down Current Test Circuit 4, Vbias = 5V, R = −2 A 0.1 Ω Pull-down Rds_on IGND = ILG = 0.7A 0.65 Ω t8 Rise Time Timing Diagram, CLOAD = 3.3nF 18 ns t2 Fall Time 6 ns t7 Pull-up Dead Time Timing Diagram 28 ns t1 Pull-down Delay Timing Diagram, from PWM_IN 15 ns Rising Edge LOGIC Vuvlo_up Power On Threshold VCC rises from 0V toward 5V 3.0 V Vuvlo_dn Under-Voltage-Lock-Out 2.5 V Threshold Vuvlo_hys Under-Voltage-Lock-Out 0.5 V Hysteresis VIH_EN EN Pin High Input 2.4 V VIL_EN EN Pin Low Input 0.8 V Ileak_EN EN Pin Leakage Current EN = VCC = 5V −2 2 µA VCC = 5V, EN = 0V −2 2 ton_min Minimum Positive Input Pulse Width 55 (1) ns toff_min Minimum Negative Input Pulse Width 55 (2) (1) If after a rising edge, a falling edge occurs sooner than the specified value, the IC may intermittently fail to turn on the bottom gate when the top gate is off. As the falling edge occurs sooner and sooner, the driver may start to ignore the pulse and produce no output. (2) If after a falling edge, a rising edge occurs sooner than the specified value, the IC may intermittently fail to turn on the top gate when the bottom gate is off. As the rising edge occurs sooner and sooner, the driver may start to ignore the pulse and produce no output. 4 Submit Documentation Feedback Copyright © 2000–2013, Texas Instruments Incorporated Product Folder Links: LM2725 LM2726 |
Аналогичный номер детали - LM2726M |
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Аналогичное описание - LM2726M |
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