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LTC3865EUHPBF Datasheet(PDF) 7 Page - Linear Technology |
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LTC3865EUHPBF Datasheet(HTML) 7 Page - Linear Technology |
7 / 36 page LTC3865/LTC3865-1 3865f Typical perForMance characTerisTics Current Sense Threshold vs ITH Voltage Maximum Current Sense Threshold vs Common Mode Voltage Maximum Current Sense Threshold vs Duty Cycle TK/SS Pull-Up Current vs Temperature Tracking Up and Down with External Ramp (Forced Continuous Mode) Quiescent Current vs Input Voltage without EXTVCC INTVCC Line Regulation Maximum Current Sense Voltage vs Feedback Voltage (Current Foldback) VITH (V) 0 –40 –20 0 20 40 60 80 0.5 1 1.5 2 3865 G10 ILIM = INTVCC ILIM = GND ILIM = FLOAT VSENSE COMMON MODE VOLTAGE (V) 0 30 40 50 3 5 20 10 0 1 2 4 60 70 80 3865 G11 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 3865 G12 ILIM = INTVCC ILIM = GND ILIM = FLOAT TK/SS1 TK/SS2 2V/DIV VOUT1 = 1.5V 1 LOAD 500mV/DIV VOUT2 = 1.2V 1 LOAD 500mV/DIV 20ms/DIV 3865 G07 INPUT VOLTAGE (V) 0 4.25 4.50 4.75 40 3865 G09 4.00 3.50 3.75 3.00 10 20 30 5 15 25 35 3.25 5.25 5.00 FEEDBACK VOLTAGE (V) 0 0 20 40 60 0.1 0.2 0.3 0.4 3865 G13 0.5 80 100 10 30 50 70 90 0.6 ILIM = INTVCC ILIM = FLOAT ILIM = GND TEMPERATURE (°C) –50 1.75 25 3865 G14 1.00 0.50 –25 0 50 0.25 0 2.00 1.50 1.25 0.75 75 100 125 INPUT VOLTAGE (V) 5 10 0 2 5 15 25 30 3865 G08 1 4 3 20 35 40 VIN = 15V |
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