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LTC7103 bảng dữ liệu(PDF) 9 Page - Analog Devices |
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LTC7103 bảng dữ liệu(HTML) 9 Page - Analog Devices |
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9 / 48 page ![]() LTC7871 9 Rev. 0 For more information www.analog.com TYPICAL PERFORMANCE CHARACTERISTICS Quiescent Current vs Temperature Shutdown Current vs Temperature FREQ Pin Source Current vs Temperature SETCUR Pin Source Current vs Temperature Current Sense Threshold vs ITH Voltage (DCR) Maximum Current Sense Threshold vs Feedback Voltage— BUCK (DCR) Current Sense Threshold vs ITH Voltage—(RSENSE) Maximum Current Sense Threshold vs Feedback Voltage— BUCK (RSENSE) Overcurrent Fault Threshold vs Temperature TA = 25°C, unless otherwise noted. VHIGH = 48V TEMPERATURE (°C) –45 –20 5 30 55 80 105 130 155 7.0 8.0 9.0 10.0 11.0 12.0 13.0 Quiescent Current vs Temperature 7871 G10 VHIGH = 48V TEMPERATURE (°C) –45 –20 5 30 55 80 105 130 155 20.0 30.0 40.0 50.0 60.0 Shutdown Current vs Temperature 7871 G11 TEMPERATURE (°C) –45 –20 5 30 55 80 105 130 155 18.5 19.0 19.5 20.0 20.5 21.0 21.5 vs Temperature 7871 G12 TEMPERATURE (°C) –45 –20 5 30 55 80 105 130 155 15.0 15.2 15.4 15.6 15.8 16.0 16.2 16.4 16.6 16.8 17.0 vs Temperature 7871 G13 GND 1/4 V5 FLOAT 3/4 V5 V5 ITH VOLTAGE (V) 0 0.5 1 1.5 2 –50 –40 –30 –20 –10 0 10 20 30 40 50 7871 G14 GND 1/4 V5 FLOAT 3/4 V5 V5 FEEDBACK VOLTAGE (V) 0 0.2 0.4 0.6 0.8 1.0 1.2 0 10 20 30 40 50 60 70 BUCK (DCR) 7871 G15 GND 1/4 V5 FLOAT 3/4 V5 V5 ITH VOLTAGE (V) 0 0.5 1 1.5 2 –70 –50 –30 –10 10 30 50 70 vs ITH Voltage (RSENSE) 7871 G16 GND 1/4 V5 FLOAT 3/4 V5 V5 FEEDBACK VOLTAGE (V) 0 0.2 0.4 0.6 0.8 1.0 1.2 0 10 20 30 40 50 60 70 80 SENSE 7871 G17 GND 1/4 V5 FLOAT 3/4 V5 V5 TEMPERATURE (°C) –45 –20 5 30 55 80 105 130 155 0 20 40 60 80 100 Temperature 7871 G18 |
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