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LTC3726IGN 数据表(PDF) 4 Page - Linear Technology |
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LTC3726IGN 数据表(HTML) 4 Page - Linear Technology |
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4 / 16 page ![]() 4 LTC3726 3726fb TYPICAL PERFOR A CE CHARACTERISTICS VCC Supply Current vs Input Voltage Maximum Current Sense Threshold vs Duty Cycle Maximum Current Sense Threshold vs ITH Voltage IS Pins Source Current IS Pins Source Current vs Temperature Maximum Current Sense Threshold vs Temperature RUN/SS ON Threshold vs Temperature Oscillator Frequency vs Temperature INPUT VOLTAGE (V) 5 5 6 7 9 8 3726 G01 4 67 10 3 fOSC = 200kHz ALL GATES: CLOAD = 0 DUTY CYCLE (%) 0 60 80 100 60 3726 G03 40 20 20 40 80 0 RSLP = 0 RSLP = 50k 100k Ω ITH VOLTAGE (V) 0 60 80 100 2.0 2.5 1.5 3726 G04 40 20 0.5 1.0 3.0 0 IS+, IS– COMMON-MODE VOLTAGE (V) –1 –100 100 400 300 200 0 34 2 3726 G05 –200 –300 01 6 5 –400 RS-MODE: (IIS+ + IIS–) CT-MODE: IIS+ 240 250 265 260 255 245 3726 G06 235 230 TEMPERATURE ( °C) –50 50 75 100 25 –25 0 125 RS-MODE: (IIS+ + IIS–) VIS+ = VIS– = 0V 100.0 101.5 101.0 100.5 99.5 3726 G07 99.0 TEMPERATURE ( °C) –50 50 75 100 25 –25 0 125 440 470 460 450 430 3726 G08 420 TEMPERATURE ( °C) –50 50 75 100 25 –25 0 125 0 2 5 4 3 1 3726 G14 –1 –2 TEMPERATURE ( °C) –50 50 75 100 25 –25 0 125 R = 175K Ω fOSC = 500kHz R = 75K Ω fOSC = 100kHz TA = 25°C, unless otherwise noted. Oscillator Frequency vs RFS RFS (kΩ) 50 400 500 600 150 175 125 3726 G09 300 200 100 75 100 200 0 |
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