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LTC4269IDKD-2-PBF Datasheet(PDF) 8 Page - Linear Technology |
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LTC4269IDKD-2-PBF Datasheet(HTML) 8 Page - Linear Technology |
8 / 34 page LTC4269-2 42692fb Typical perForMance characTerisTics COMP Sink Current vs Temperature (Disabled) COMP Pin Current vs Temperature ISENSE Maximum Threshold vs COMP ISENSE Maximum Threshold vs Temperature ISENSE Pin Current (Out of Pin) vs Duty Cycle ISENSE Maximum Threshold vs Duty Cycle (Programming Slope Compensation) OC (Overcurrent) Threshold vs Temperature Blank Duration vs Temperature BLANK Duration vs RBLANK TEMPERATURE (°C) –50 5.0 12.5 0 50 75 42692 G19 10.0 7.5 –25 25 100 125 FB = 1.4V COMP = 1.6V TEMPERATURE (°C) –50 0 50 40 30 0 50 75 42692 G20 10 20 –25 25 100 125 FB = VREF COMP = 1.6V COMP (V) 0 0 240 160 200 120 1.0 2.0 2.5 42692 G21 40 80 0.5 1.5 3.0 TA = 25°C RISENSE = 0k OC THRESHOLD TEMPERATURE (°C) –50 200 210 240 0 50 75 42692 G22 230 220 –25 25 100 125 COMP = 2.5V RISENSE = 0k DUTY CYCLE (%) 0 0 10 40 20 50 60 42692 G23 30 20 10 30 40 80 70 90 100 TA = 25°C DUTY CYCLE (%) 0 175 185 195 225 20 50 60 42692 G24 215 205 10 30 40 80 70 90 100 RSLOPE = 1k RSLOPE = 470 RSLOPE = 0 TA = 25°C COMP = 2.5V TEMPERATURE (°C) –50 80 90 120 0 50 75 42692 G25 110 100 –25 25 100 125 PRECISION OVERCURRENT THRESHOLD INDEPENDENT OF DUTY CYCLE TEMPERATURE (°C) –50 0 200 800 0 50 75 42692 G26 600 400 –25 25 100 125 RBLANK = 40k RBLANK = 120k RBLANK (k) 0 0 400 200 1000 40 80 100 42692 G27 800 600 20 60 140 120 160 TA = 25°C |
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