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LTC1735 Scheda tecnica(PDF) 5 Page - Linear Technology |
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LTC1735 Scheda tecnica(HTML) 5 Page - Linear Technology |
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5 / 32 page ![]() LTC3728L-1 5 3728l1fc TYPICAL PERFORMANCE CHARACTERISTICS Supply Current vs Input Voltage and Mode (Figure 13) EXTVCC Voltage Drop INTVCC and EXTVCC Switch Voltage vs Temperature Internal 5V LDO Line Regulation Maximum Current Sense Threshold vs Duty Factor Maximum Current Sense Threshold vs Percent of Nominal Output Voltage (Foldback) Maximum Current Sense Threshold vs VRUN/SS (Soft-Start) Maximum Current Sense Threshold vs Sense Common Mode Voltage Current Sense Threshold vs ITH Voltage INPUT VOLTAGE (V) 05 0 400 1000 10 20 25 3728L1 G04 200 800 600 15 30 SHUTDOWN BOTH CONTROLLERS ON CURRENT (mA) 0 150 200 40 3728L1 G05 100 50 0 10 20 30 TEMPERATURE (°C) –50 4.95 5.00 5.05 25 75 3728L1 G06 4.90 4.85 –25 0 50 100 125 4.80 4.70 4.75 INTVCC VOLTAGE EXTVCC SWITCHOVER THRESHOLD INPUT VOLTAGE (V) 0 4.8 4.9 5.1 15 25 3728L1 G07 4.7 4.6 510 20 30 4.5 4.4 5.0 ILOAD = 1mA DUTY FACTOR (%) 0 0 25 50 75 20 40 60 80 3728L1 G08 100 PERCENT ON NOMINAL OUTPUT VOLTAGE (%) 0 40 50 60 100 3728L1 G09 30 20 0 25 50 75 10 80 70 VRUN/SS (V) 0 0 20 40 60 80 12 3 4 3728L1 G10 56 VSENSE(CM) = 1.6V COMMON MODE VOLTAGE (V) 0 72 76 80 4 3728L1 G11 68 64 60 1 2 3 5 VITH (V) 0 30 50 70 90 2 3728L1 G12 10 –10 20 40 60 80 0 –20 –30 0.5 1 1.5 2.5 |
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