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LTC4218 Arkusz danych(PDF) 5 Page - Linear Technology |
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LTC4218 Arkusz danych(HTML) 5 Page - Linear Technology |
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5 / 18 page ![]() LTC4218 5 4218fg For more information www.linear.com/LTC4218 typical perForMance characteristics IDD vs VDD INTVCC Load Regulation UV Low-High Threshold vs Temperature UV Hysteresis vs Temperature Timer Pull-Up Current vs Temperature Current Limit Delay Current Limit Threshold Foldback Current Limit Adjustment ISET Resistor vs Temperature TA = 25°C, VDD = 12V unless otherwise noted. VDD (V) 0 1.0 1.2 1.4 1.6 1.8 2.0 5 10 15 20 4218 G01 25 30 –40°C 25°C 85°C ILOAD (mA) 0 0 0.5 1.5 1.0 3.5 2.0 2.5 3.0 4218 G02 –14 –12 –10 –8 –6 –4 –2 VDD = 5V VDD = 3.3V TEMPERATURE (°C) –50 1.234 1.232 1.230 1.228 1.226 –25 0 25 4218 G03 50 75 100 TEMPERATURE (°C) –50 0.10 0.08 0.06 0.04 –25 0 25 4218 G04 50 75 100 TEMPERATURE (°C) –50 –110 –105 –100 –95 –90 –25 0 25 4218 G05 50 75 100 CURRENT LIMIT SENSE VOLTAGE (VSENSE+ – VSENSE–) (mV) 1000 100 10 1 0.1 0 75 4218 G06 15 30 45 60 CGATE = 10nF FB VOLTAGE (V) 0 0 4 8 2 6 10 12 14 16 0.2 0.4 0.6 0.8 4218 G07 1.0 1.2 RSET () 1k 10k 100k 1M 4218 G08 10M 0 4 8 2 6 10 12 14 16 TEMPERATURE (°C) –50 22 21 20 19 18 –25 0 25 4218 G09 50 75 100 |
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