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LTC1149-3.3 Datasheet(PDF) 4 Page - Linear Technology |
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LTC1149-3.3 Datasheet(HTML) 4 Page - Linear Technology |
4 / 20 page 4 LTC1149 LTC1149-3.3/LTC1149-5 CC HARA TERISTICS A TYPICALPERFOR CE Load Regulation Efficiency vs Input Voltage Line Regulation Operating Frequency vs (VIN – VOUT) Gate Charge Supply Current Current Sense Threshold Voltage DC Supply Current Supply Current in Shutdown Off-Time vs VOUT LOAD CURRENT (A) 0 –100 –80 –60 –40 –20 0 20 0.5 1.0 1.5 2.0 1149 G03 2.5 FIGURE 1 CIRCUIT VIN = 24V OPERATING FREQUENCY (kHz) 50 0 5 10 15 20 25 30 100 150 200 250 1149 G07 QP + QN = 100nC QP + QN = 50nC OUTPUT VOLTAGE (V) 1 40 50 60 5 1149 G08 30 20 0 2 34 10 80 70 0 LTC1149-5 LTC1149-3.3 TEMPERATURE ( °C) 20 80 100 120 100 1149 G09 60 40 0 40 60 80 20 160 140 0 MAXIMUM THRESHOLD MINIMUM THRESHOLD (VIN – VOUT) VOLTAGE (V) 0 1.0 1.5 20 1149 G06 0.5 0 5 10 15 25 2.0 VOUT = 5V T = 70 °C T = 0 °C T = 25 °C INPUT VOLTAGE (V) 0 200 300 40 1149 G05 100 0 10 20 30 50 400 VSD2 = 2V INPUT VOLTAGE (V) 0 0 0.5 1.0 1.5 2.0 2.5 3.0 10 20 30 40 1149 G04 50 ACTIVE MODE SLEEP MODE INPUT VOLTAGE (V) 0 –60 –40 –20 0 20 40 60 10 20 30 40 1149 G02 50 FIGURE 1 CIRCUIT ILOAD = 1A INPUT VOLTAGE (V) 0 90 95 40 1149 G01 85 80 10 20 30 50 100 FIGURE 1 CIRCUIT ILOAD = 1A |
Similar Part No. - LTC1149-3.3_15 |
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Similar Description - LTC1149-3.3_15 |
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