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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC3370 датащи(PDF) 4 Page - Analog Devices |
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LTC3370 датащи(HTML) 4 Page - Analog Devices |
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4 / 28 page  LTC3376 4 Rev 0 For more information www.analog.com ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Buck Regulators Combined Top Switch Current Limit, Duty < 18% 1 Buck with 2 Power Stages Combined (Note 5) 5.25 A 1 Buck with 3 Power Stages Combined (Note 5) 7.88 A 1 Buck with 4 Power Stages Combined (Note 5) 10.5 A 1 Buck with 5 Power Stages Combined (Note 5) 13.1 A 1 Buck with 6 Power Stages Combined (Note 5) 15.8 A 1 Buck with 7 Power Stages Combined (Note 5) 18.4 A 1 Buck with 8 Power Stages Combined (Note 5) 21 A Temperature Monitor VTEMP(ROOM) TEMP Voltage at 25°C 220 250 280 mV ∆VTEMP/°C VTEMP Slope 10 mV/°C OT Overtemperature Shutdown (Note 7) Temperature Rising 165 °C Overtemperature Hysteresis 10 °C Current Monitors IMON1-4 Voltage at 1.5A Load RIMON = 10k, Duty Cycle = 25% 0.9 1 1.1 V IMON1-4 Voltage at No Load SYNC/MODE = INTVCC 0 V IMON1-4 Slope RIMON = 10k 0.667 V/A Interface Logic Pins (CFG0-3, SYNC/MODE, PGOOD1-4) IOH Output High Leakage Current PGOOD1-4 at 5.5V 1 µA VOL Output Low Voltage PGOOD1-4, 3mA into Pin 0.03 0.4 V VIH Input High Threshold CFG0-3, SYNC/MODE l 1.2 V VIL Input Low Threshold CFG0-3, SYNC/MODE l 0.4 V IIH, IIL Input High, Low Leakage Current CFG0-3 Pins at INTVCC & 0V SYNC/MODE Pin at 5.5V & 0V 1 1 µA µA Interface Logic Pins (RUN1-4) RUN Rising Threshold First Regulator Turning On One Regulator or More Already in Use l l 350 280 730 300 1200 320 mV mV RUN Falling Threshold RUN Falling Threshold Last Regulator Turning Off One Regulator or More Kept On l 180 690 200 220 mV mV RUN Pin Leakage Current RUN1-4 = 5.5V 1 µA The l denotes the specifications which apply over the specified operating temperature range, otherwise specifications are at TA = 25°C (Note 2). VCC = VINA-H = 12V, RT tied to INTVCC, VFB1-4¯ = 0V, unless otherwise stated. |
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