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LTC4230IGN 数据表(PDF) 4 Page - Linear Technology |
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LTC4230IGN 数据表(HTML) 4 Page - Linear Technology |
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4 / 36 page ![]() 4 LTC4230 4230f TYPICAL PERFOR A CE CHARACTERISTICS VCC1 SUPPLY VOLTAGE (V) 2 4 6 8 10 12 14 16 18 4230 G01 8 7 6 5 4 3 2 1 0 VCC2 = 2.5V VCC3 = 1.8V –40 °C 25 °C 85 °C SUPPLY VOLTAGE (V) 2 4 6 8 10 12 14 16 18 4230 G02 0.6 0.5 0.4 0.3 0.2 0.1 0 –40 °C 25 °C 85 °C CHANNEL 3 CHANNEL 2 TEMPERATURE ( °C) –75 125 4230 G03 –25 25 75 –50 150 0 50 100 2.5 2.2 1.9 1.6 1.3 1.0 VCC3 HIGH VCC1 HIGH VCC1 LOW VCC2 HIGH VCC2 LOW VCC3 LOW TEMPERATURE ( °C) –75 125 4230 G04 –25 25 75 –50 150 0 50 100 5 4 3 2 1 0 VFBn = 5V TEMPERATURE ( °C) –75 125 4230 G05 –25 25 75 –50 150 0 50 100 6 5 4 3 2 1 0 VON = 5V TEMPERATURE ( °C) –75 125 4230 G06 –25 25 75 –50 150 0 50 100 100 90 80 70 60 50 40 30 20 10 0 VSENSEn = 5V TEMPERATURE ( °C) –75 125 4230 G07 –25 25 75 –50 150 0 50 100 1.36 1.34 1.32 1.30 1.28 1.26 1.24 1.22 VCC1 = 3.3V VCC2 = 2.5V VCC3 = 1.8V ON PIN HIGH ON PIN LOW VCC1 SUPPLY VOLTAGE (V) 0 2 4 6 8 10 12 14 16 18 4230 G08 152.0 151.5 151.0 150.5 150.0 149.5 149.0 148.5 148.0 –40 °C 25 °C 85 °C VCC1 SUPPLY VOLTAGE (V) 0 2 4 6 8 10 12 14 16 18 4230 G09 52.0 51.5 51.0 50.5 50.0 49.5 49.0 –40 °C 25 °C 85 °C Channel 1 Supply Current vs VCC1 Supply Voltage FB n Pin Input Current vs Temperature ON Threshold vs Temperature Channels 2 and 3 Supply Current vs Supply Voltage UVLO Threshold Voltage vs Temperature ON Pin Input Current vs Temperature SENSE n Input Current vs Temperature Fast Comparator Threshold vs VCC1 Supply Voltage Slow Comparator Threshold vs VCC1 Supply Voltage |
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