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LTC3834IUFD-TRPBF Datasheet(PDF) 5 Page - Linear Technology |
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LTC3834IUFD-TRPBF Datasheet(HTML) 5 Page - Linear Technology |
5 / 28 page LTC3834 5 3834fb TYPICAL PERFORMANCE CHARACTERISTICS Load Step (Burst Mode Operation) Load Step (Forced Continuous Mode) Load Step (Pulse Skipping Mode) Inductor Current at Light Load Soft Start-Up Tracking Start-Up Total Input Supply Current vs Input Voltage EXTVCC Switchover and INTVCC Voltages vs Temperature INTVCC Line Regulation TA = 25°C, unless otherwise noted. VOUT = 3.3V FIGURE 11 CIRCUIT VOUT 100mV/DIV AC COUPLED 3834 G04 20μs/DIV IL 2A/DIV VOUT = 3.3V FIGURE 11 CIRCUIT VOUT 100mV/DIV AC COUPLED 3834 G05 20μs/DIV IL 2A/DIV VOUT = 3.3V FIGURE 11 CIRCUIT VOUT 100mV/DIV AC COUPLED 3834 G06 20μs/DIV IL 2A/DIV VOUT = 3.3V ILOAD = 100μA FIGURE 11 CIRCUIT FORCED CONTINUOUS MODE 3834 G07 2μs/DIV 2A/DIV Burst Mode OPERATION PULSE SKIPPING MODE 3834 G08 20ms/DIV FIGURE 11 CIRCUIT VOUT 1V/DIV 3834 G09 20ms/DIV FIGURE 11 CIRCUIT MASTER 2V/DIV VOUT 2V/DIV INPUT VOLTAGE (V) 200 250 25 3834 G10 100 150 10 515 20 30 35 50 0 300 350 300μA LOAD NO LOAD FIGURE 11 CIRCUIT TEMPERATURE (°C) 4.8 5.0 5.4 5.6 5.8 6.0 55 3834 G11 4.6 4.4 –5 –25 –45 15 35 75 95 4.2 4.0 5.2 INTVCC EXTVCC RISING EXTVCC FALLING INPUT VOLTAGE (V) 5.2 5.4 5.5 30 3834 G12 5.1 15 10 5 020 25 35 40 5.0 5.3 |
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