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LTC1474IS8 Datasheet(PDF) 4 Page - Linear Technology |
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LTC1474IS8 Datasheet(HTML) 4 Page - Linear Technology |
4 / 20 page 4 LTC1474/LTC1475 TYPICAL PERFORMANCE CHARACTERISTICS Current Trip Threshold vs Temperature Switch Resistance vs Input Voltage Supply Current in Shutdown TEMPERATURE ( °C) 0 80 1474/75 G04 20 40 60 500 400 300 200 100 0 VIN = 10V RSENSE = 0Ω RSENSE = 1.1Ω INPUT VOLTAGE (V) 0 20 1474/75 G05 5 10 15 5 4 3 2 1 0 T = 70 °C T = 25 °C INPUT VOLTAGE (V) 0 20 1474/75 G06 5 10 15 10.0 7.5 5.0 2.5 0 Switch Leakage Current vs Temperature VIN DC Supply Current Off-Time vs Output Voltage % OF REGULATED OUTPUT VOLTAGE (%) 0 100 1474/75 G09 20 40 60 80 80 60 40 20 0 VIN = 10V INPUT VOLTAGE (V) 0 4 8 16 20 1474/75 G08 12 120 100 80 60 40 20 0 ACTIVE MODE SLEEP MODE TEMPERATURE ( °C) 0 1474/75 G07 40 60 80 100 1.0 0.8 0.6 0.4 0.2 0 20 VIN = 18V Efficiency vs Input Voltage Line Regulation Load Regulation INPUT VOLTAGE (V) 0 4 8 16 1474/75 G01 12 100 95 90 85 80 75 70 ILOAD = 25mA ILOAD = 200mA FIGURE 1 CIRCUIT L: CDRH73-101 ILOAD = 1mA INPUT VOLTAGE (V) 0 4 8 16 1474/75 G02 12 40 30 20 10 0 –10 –20 FIGURE 1 CIRCUIT ILOAD = 100mA RSENSE = 0.33Ω RSENSE = 0Ω LOAD CURRENT (mA) 0 40 30 20 10 0 –10 –20 –30 1474/75 G03 100 250 50 150 200 300 FIGURE 1 CIRCUIT VIN = 15V VIN = 10V VIN = 5V |
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