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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) 6 Page - Analog Devices |
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LT8331 датащи(HTML) 6 Page - Analog Devices |
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6 / 24 page  LT8337/LT8337-1 6 Rev. 0 For more information www.analog.com TYPICAL PERFORMANCE CHARACTERISTICS TA ≈ TJ = 25°C, unless otherwise noted. Switching Waveforms, Current Limit at 15% Duty Cycle Switching Waveforms, Current Limit at 82% Duty Cycle Power Switch Voltage Drop vs Switch Current Power Switch Voltage Drop vs Temperature LT8337-1 Transient Response, Pulse-Skipping Mode Operation LT8337-1 Transient Response, Burst Mode Operation TOP SWITCH BOTTOM SWITCH SWITCH CURRENT (A) 0 1 2 3 4 5 6 0 30 60 90 120 150 180 210 240 Switch Current 83371 G15 TOP SWITCH BOTTOM SWITCH SWITCH CURRENT = 1A TEMPERATURE (C°) –50 –25 0 25 50 75 100 125 150 0 10 20 30 40 50 60 70 Switch Current 83371 G16 500ns/DIV 83371 G13 IL 2A/DIV 0A VSW 10V/DIV VIN = 13V FRONT PAGE CIRCUIT 500ns/DIV 83371 G14 IL 2A/DIV 0A VSW 10V/DIV VIN = 2.8V FRONT PAGE CIRCUIT VIN = 7.2V FRONT PAGE CIRCUIT 200µs/DIV VOUT 0.2V/DIV IOUT 1A/DIV 83371 G17 VIN = 7.2V FRONT PAGE CIRCUIT 200µs/DIV VOUT 0.2V/DIV IOUT 1A/DIV 83371 G18 LT8337-1 LT8337 VIN (V) 2.70 2.75 2.80 2.85 2.90 2.95 3.00 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 Frequency vs Input Voltage 83371 G19 VIN = 7.2V FRONT PAGE CIRCUIT WITH LT8337-1 CC = 220pF, RC = 100k 200µs/DIV VOUT 0.2V/DIV IOUT 1A/DIV 83371 G20 Burst Mode Operation VIN = 7.2V FRONT PAGE CIRCUIT WITH LT8337-1 CC = 220pF, RC = 100k 200µs/DIV VOUT 0.2V/DIV IOUT 1A/DIV 83371 G21 LT8337 Transient Response, Pulse-Skipping Mode Operation LT8337 Transient Response, Burst Mode Operation Max Programmable Switching Frequency vs Input Voltage |
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