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LTC4253 датащи(PDF) 6 Page - Linear Technology |
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LTC4253 датащи(HTML) 6 Page - Linear Technology |
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6 / 34 page ![]() LTC4253/LTC4253A 6 425353afe TYPICAL PERFORMANCE CHARACTERISTICS VGATEH vs Temperature UV Threshold vs Temperature OV Threshold vs Temperature ISENSE vs (VSENSE – VEE)ISENSE vs Temperature TIMER Threshold vs Temperature IGATE (FCL, Sink) vs Temperature VGATE vs Temperature VGATEL vs Temperature TEMPERATURE (°C) –55 –35 –15 5 25 45 65 85 105 125 4253 G10 400 350 300 250 200 150 100 50 0 UV/OV = 4V TIMER = 0V VSENSE – VEE = 0.3V VGATE = 1V TEMPERATURE (°C) –55 –35 –15 5 25 45 65 85 105 125 4253 G13 3.6 3.4 3.2 3.0 2.8 2.6 2.4 2.2 2.0 UV/OV = 4V VGATEH = VIN – VGATE IIN = 2mA VSENSE – VEE (V) –1.5 –1 –0.5 0 0.5 1 1.5 4253 G16 0.01 0.1 1 10 100 1000 UV/OV = 4V TIMER = 0V GATE = HIGH TA = 25°C TEMPERATURE (°C) –55 –35 –15 5 25 45 65 85 105 125 4253 G11 14.5 14.0 13.5 13.0 12.5 12.0 11.5 11.0 10.5 10.0 UV/OV = 4V TIMER = 0V VSENSE = VEE IIN = 2mA TEMPERATURE (°C) –55 –35 –15 5 25 45 65 85 105 125 4253 G14 3.375 3.275 3.175 3.075 2.975 2.875 2.775 IIN = 2mA VUVH VUVL VUV TEMPERATURE (°C) –55 –35 –15 5 25 45 65 85 105 125 4253 G17 0 –5 –10 –15 –20 –25 –30 UV/OV = 4V TIMER = 0V VSENSE – VEE = 50mV VGATE = HIGH TEMPERATURE (°C) –55 –35 –15 5 25 45 65 85 105 125 4253 G12 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 UV/OV = 4V TIMER = 0V GATE THRESHOLD BEFORE RAMP UP TEMPERATURE (°C) –55 –35 5.0 5.4 5.6 5.8 65 85 105 6.4 4352 G15 5.2 –15 525 45 125 6.0 6.2 VOVH IIN = 2mA VOVL VOV TEMPERATURE (°C) –55 –35 –15 5 25 45 65 85 105 125 4253 G18 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 IIN = 2mA VTMRH VTMRL |
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