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LTC3834IDHC-1-PBF Datasheet(PDF) 4 Page - Linear Technology |
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LTC3834IDHC-1-PBF Datasheet(HTML) 4 Page - Linear Technology |
4 / 28 page 4 LTC3834-1 38341f TYPICAL PERFOR A CE CHARACTERISTICS T A = 25ºC, unless otherwise noted. Efficiency and Power Loss vs Output Current Efficiency vs Load Current Efficiency vs Input Voltage Inductor Current at Light Load Soft Start-Up Tracking Start-Up Load Step (Burst Mode Operation) Load Step (Forced Continuous Mode) Load Step (Pulse Skipping Mode) OUTPUT CURRENT (A) 0.0001 0.01 1 38341 G01 0.000001 1 10 1000 100 0.1 10000 40 50 60 70 80 30 20 10 0 90 100 Burst Mode OPERATION FORCED CONTINUOUS MODE PULSE SKIPPING MODE VIN = 12V VOUT = 3.3V FIGURE 10 CIRCUIT OUTPUT CURRENT (A) 0.0001 0.01 1 38341 G02 0.000001 40 50 60 70 80 90 100 VIN = 12V VIN = 5V FIGURE 10 CIRCUIT VOUT = 3.3V INPUT VOLTAGE (V) 88 90 94 96 98 515 38341 G03 86 84 0 10 20 40 25 30 35 82 80 92 VOUT = 3.3V FIGURE 10 CIRCUIT VOUT = 3.3V FIGURE 10 CIRCUIT VOUT 100mV/DIV AC COUPLED 38341 G04 20 μs/DIV IL 2A/DIV VOUT = 3.3V FIGURE 10 CIRCUIT VOUT 100mV/DIV AC COUPLED 38341 G05 20 μs/DIV IL 2A/DIV VOUT = 3.3V FIGURE 10 CIRCUIT VOUT 100mV/DIV AC COUPLED 38341 G06 20 μs/DIV IL 2A/DIV VOUT = 3.3V ILOAD = 100μA FIGURE 10 CIRCUIT FORCED CONTINUOUS MODE 38341 G07 2 μs/DIV 2A/DIV Burst Mode OPERATION PULSE SKIPPING MODE 38341 G08 20ms/DIV FIGURE 10 CIRCUIT VOUT 1V/DIV 38341 G09 20ms/DIV FIGURE 10 CIRCUIT MASTER 2V/DIV VOUT 2V/DIV |
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