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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LT8331 датащи(PDF) 7 Page - Analog Devices |
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LT8331 датащи(HTML) 7 Page - Analog Devices |
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7 / 24 page  LT8337/LT8337-1 7 Rev. 0 For more information www.analog.com TYPICAL PERFORMANCE CHARACTERISTICS Minimum On/Off Times vs Temperature Switching Waveforms, Full Frequency PWM Operation Switching Waveforms, Continuous Burst Mode Operation Switching Waveforms, Discontinuous Burst Mode Operation Switching Waveforms, Light Load Low IQ Burst Mode Operation Switching Waveforms, Discontinuous Pulse-Skipping Mode TA ≈ TJ = 25°C, unless otherwise noted. TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 0 10 20 30 40 50 60 70 83371 G22 MIN ON TIME MIN OFF TIME VOUT = 30V 2s/DIV 83371 G23 IL 2A/DIV 0A VSW 10V/DIV VIN = 5V ILOAD = 1.2A FRONT PAGE CIRCUIT 2s/DIV 83371 G24 IL 1A/DIV 0A VSW 10V/DIV VIN = 5V ILOAD = 250mA FRONT PAGE CIRCUIT 5s/DIV 83371 G25 IL 1A/DIV 0A VSW 10V/DIV VIN = 5V ILOAD = 50mA FRONT PAGE CIRCUIT 10ms/DIV 83371 G26 IL 1A/DIV 0A VSW 10V/DIV VIN = 5V ILOAD = 0mA FRONT PAGE CIRCUIT 500ns/DIV 83371 G27 IL 0.5A/DIV 0A VSW 10V/DIV VIN = 7.2V ILOAD = 10mA FRONT PAGE CIRCUIT Waveforms, PassThru Mode Operation Waveforms, Reverse Current Protection in PassThru Mode Switching Waveforms, Frequency Foldback when VIN is close to VOUT 5s/DIV VOUT, VIN 1V/DIV IL 1A/DIV VSW 20V/DIV 0V 1A ILOAD = 1A VIN = 15.5V FRONT PAGE CIRCUIT VIN VOUT 83371 G28 50s/DIV VOUT, VIN 1V/DIV IL 2A/DIV VSW 20V/DIV FRONT PAGE CIRCUIT VOUT VIN –1.6A 15.6V 200mA 83371 G29 5s/DIV VOUT, VIN 1V/DIV IL 1A/DIV 1A VSW 20V/DIV ILOAD = 1A FRONT PAGE CIRCUIT VOUT VIN 15V 83371 G30 |
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