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LTC4449 датащи(PDF) 5 Page - Linear Technology |
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LTC4449 датащи(HTML) 5 Page - Linear Technology |
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5 / 12 page ![]() LTC4449 5 4449f TYPICAL PERFORMANCE CHARACTERISTICS Supply Current vs Input Frequency Propagation Delay vs VLOGIC Supply Voltage Propagation Delay vs VCC (Boost) Supply Voltage Rise and Fall Time vs VCC (Boost) Supply Voltage Switching Supply Current vs Load Capacitance Rise and Fall Time vs Load Capacitance Propagation Delay vs Temperature FREQUENCY (Hz) 0 5 6 800k 4449 G12 4 3 200k 400k 600k 1M 2 1 0 NO LOAD VLOGIC = VCC = 5V TS = GND IVCC IVLOGIC LOAD CAPACITANCE (nF) 0.1 1 10 100 4449 G13 310 30 VLOGIC = VCC = 5V TS = GND ICC fIN = 500kHz ICC fIN = 100kHz ILOGIC fIN = 500kHz 1 VCC (BOOST) SUPPLY VOLTAGE (V) 3.5 15 10 5 0 5.0 6.0 4449 G14 4.0 4.5 5.5 6.5 CLOAD = 3.3nF TS = GND tr(TG) tr(BG) tf(TG) tf(BG) LOAD CAPACITANCE (nF) 3 1 10 100 10 30 4449 G15 VCC = 5V TS = GND tr(BG) tr(TG) tf(TG) 1 tf(BG) VLOGIC SUPPLY VOLTAGE (V) 3.5 3.0 25 15 20 10 5 5.0 6.0 4449 G16 4.0 4.5 5.5 6.5 NO LOAD VCC = BOOST = 5V TS = GND tpHL(TG) tpLH(BG) tpLH(TG) tpHL(BG) VCC (BOOST) SUPPLY VOLTAGE (V) 20 15 10 5 5.0 6.0 4449 G17 4.0 4.5 5.5 6.5 NO LOAD VLOGIC = 5V TS = GND tpHL(TG) tpLH(BG) tpLH(TG) tpHL(BG) TEMPERATURE (°C) 4449 G18 15 0 –40 –10 20 50 80 110 25 20 10 5 NO LOAD VCC = VLOGIC = 5V TS = GND tpHL(TG) tpLH(BG) tpLH(TG) tpHL(BG) |
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