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LM1771SSD 数据表(PDF) 5 Page - Texas Instruments |
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LM1771SSD 数据表(HTML) 5 Page - Texas Instruments |
5 / 31 page LM1771 www.ti.com SNVS446D – JUNE 2006 – REVISED JANUARY 2016 6.5 Electrical Characteristics Specifications are for TJ = 25°C. All maximum and minimum limits apply over the full junction temperature range (−40°C to +125°C), unless otherwise specified. Minimum and maximum limits are ensured 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 specified, VIN = 3.3 V. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VFB Feedback pin voltage 0.782 0.8 0.818 V IQ Quiescent current VFB = 0.9 V 400 700 µA LM1771S - (500 ns) 0.4 0.5 0.6 TON Switch ON-time LM1771T - (1000 ns) 0.8 1 1.2 µs LM1771U - (2000 ns) 1.6 2 2.4 LM1771S - (500 ns) 150 250 TOFF_MIN Minimum OFF-time LM1771T - (1000 ns) 135 225 ns LM1771U - (2000 ns) 120 220 TD Gate drive dead-time 70 ns VIH_EN EN pin rising threshold 1.15 1.2 1.25 V VEN_HYS EN pin hysteresis 50 200 mV IFB Feedback pin bias current VFB = 0.9 V 50 nA VUVLO Undervoltage lockout VIN Rising Edge 2.65 2.8 V VUVLO_HYS Undervoltage lockout hysteresis 50 mV VSC_TH Feedback pin short circuit latch 0.42 0.55 0.65 V threshold RDS(ON) 1 HG FET driver pullup ON-resistance IHG = 20 mA 4 Ω RDS(ON) 2 HG FET driver pulldown ON-resistance IHG = 20 mA 6 Ω RDS(ON) 3 LG FET driver pullup ON-resistance ILG = 20 mA 4 Ω RDS(ON) 4 LG FET driver pulldown ON-resistance ILG = 20 mA 6 Ω Copyright © 2006–2016, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LM1771 |
类似零件编号 - LM1771SSD |
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类似说明 - LM1771SSD |
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