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LTC3880 Datasheet(PDF) 9 Page - Linear Technology |
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LTC3880 Datasheet(HTML) 9 Page - Linear Technology |
9 / 54 page LTC3838 9 3838fa TYPICAL PERFORMANCE CHARACTERISTICS RUN Pin Thresholds vs Temperature RUN Pull-Up Currents vs Temperature TRACK/SS Pull-Up Currents vs Temperature INTVCC Undervoltage Lockout Thresholds vs Temperature Shutdown Current Into VIN Pin vs Voltage on VIN Pin Quiescent Current Into VIN Pin vs Temperature Current Sense Voltage vs ITH Voltage Maximum Current Sense Voltage vs Temperature Maximum Current Sense Voltage vs Voltage on SENSE– Pin ITH VOLTAGE (V) 0 –60 –40 0 20 40 1.6 120 3838 G28 –20 0.8 0.4 2 1.2 2.4 60 80 100 VRNG = 2V VRNG = 1V VRNG = 0.6V FORCED CONTINUOUS MODE TEMPERATURE (°C) –50 0 20 40 60 80 050 100 150 3838 G29 100 120 –25 25 75 125 VRNG = 2V VRNG = 1V VRNG = 0.6V TEMPERATURE (°C) –50 0.8 1.2 150 3838 G30 0.4 0 0 50 100 –25 25 75 125 1.6 0.6 1.0 0.2 1.4 SWITCHING REGION SHUTDOWN REGION STAND-BY REGION TEMPERATURE (°C) –50 4 6 150 3838 G31 2 0 0 50 100 –25 25 75 125 8 3 5 1 7 RUN PIN ABOVE 1.2V SWITCHING THRESHOLD RUN PIN BELOW 1.2V SWITCHING THRESHOLD TEMPERATURE (°C) –50 1.00 1.10 150 3838 G32 0.90 0.80 0 50 100 –25 25 75 125 1.20 0.95 1.05 0.85 1.15 TEMPERATURE (°C) –50 3.3 3.5 3.7 3.9 4.1 050 100 150 3838 G33 4.3 4.5 –25 25 75 125 UVLO RELEASE (INTVCC RISING) UVLO LOCK (INTVCC FALLING) VIN (V) 0 20 30 40 3838 G34 10 0 10 20 30 5 15 25 35 40 15 25 5 35 130°C 25°C –45°C TEMPERATURE (°C) –50 2.5 3.0 3.5 25 75 150 3838 G35 2.0 1.5 1.0 –25 0 50 100 125 BOTH CHANNELS ON CHANNEL 1 ON ONLY CHANNEL 2 ON ONLY SENSE PIN VOLTAGE (V) –0.5 0 20 40 60 80 120 0.5 1.5 2.5 3.5 3838 G22 4.5 5.5 100 VRNG = 2V VRNG = 1V VRNG = 0.6V |
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