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LTC3850 Datasheet(PDF) 7 Page - Linear Technology |
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LTC3850 Datasheet(HTML) 7 Page - Linear Technology |
7 / 36 page LTC3850/LTC3850-1 7 38501fb TYPICAL PERFORMANCE CHARACTERISTICS Quiescent Current vs Input Voltage without EXTVCC INTVCC Line Regulation Current Sense Threshold vs ITH Voltage Maximum Current Sense Threshold vs Common Mode Voltage Maximum Current Sense Threshold vs Duty Cycle Maximum Current Sense Voltage vs Feedback Voltage (Current Foldback) TK/SS Pull-Up Current vs Temperature Tracking Up and Down with External Ramp 10ms/DIV VOUT1 3.3V 3Ω LOAD 1V/DIV VOUT2 1.8V 1.5Ω LOAD 1V/DIV TK/SS1 TK/SS2 2V/DIV 38501 G10 INPUT VOLTAGE (V) 5 2 3 25 38501 G11 1 0 10 15 20 5 4 INPUT VOLTAGE (V) 38501 G12 4.75 5.00 5.25 4.50 4.25 4.00 3.75 3.50 020 510 15 25 VITH (V) 0 –40 –20 0 20 40 60 80 0.5 1 1.5 2 38501 G13 ILIM = INTVCC ILIM = GND ILIM = FLOAT VSENSE COMMON MODE VOLTAGE (V) 0 30 40 50 3 5 20 10 0 12 4 60 70 80 38501 G14 ILIM = INTVCC ILIM = GND ILIM = FLOAT 60 80 100 40 20 50 70 90 30 10 0 DUTY CYCLE (%) 0 60 100 20 40 80 38501 G15 ILIM = INTVCC ILIM = GND ILIM = FLOAT FEEDBACK VOLTAGE (V) 0 40 50 60 0.8 38501 G16 30 20 0 0.2 0.4 0.6 0.1 0.9 0.3 0.5 0.7 10 80 70 ILIM = INTVCC ILIM = FLOAT ILIM = GND TEMPERATURE (°C) –50 2.00 1.75 1.50 1.25 1.00 25 75 38501 G17 –25 0 50 100 |
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Similar Description - LTC3850 |
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