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LTC3407AIMSE-2-PBF Datasheet(PDF) 5 Page - Linear Technology |
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LTC3407AIMSE-2-PBF Datasheet(HTML) 5 Page - Linear Technology |
5 / 16 page LTC3407A-2 5 3407a2f Efficiency vs Load Current LOAD CURRENT (mA) 1 0 30 20 10 70 60 50 40 100 90 80 10 100 1000 3407A2 G14 2.7V 4.2V 3.3V VOUT = 1.5V Burst Mode OPERATION Line Regulation VIN (V) 2 0.5 0.4 0.3 0.2 0.1 0 –0.1 –0.2 –0.3 –0.4 –0.5 4 6 3407A2 G15 35 VOUT = 1.8V IOUT = 200mA TYPICAL PERFOR A CE CHARACTERISTICS Efficiency vs Load Current LOAD CURRENT (mA) 1 0 30 20 10 70 60 50 40 100 90 80 10 100 1000 3407A2 G13 2.7V 4.2V VOUT = 1.2V Burst Mode OPERATION 3.3V Efficiency vs Load Current Efficiency vs Load Current Load Regulation Reference Voltage vs Temperature RDS(ON) vs Input Voltage RDS(ON) vs Temperature 0.615 0.610 0.605 0.600 0.595 0.590 0.585 TEMPERATURE ( °C) –50 25 75 3407A2 G07 –25 0 50 100 125 VIN = 3.6V VIN (V) 1 500 450 400 350 300 250 200 46 3407A2 G08 2 3 57 MAIN SWITCH SYNCHRONOUS SWITCH TEMPERATURE ( °C) –50 550 500 450 400 350 300 250 200 150 100 25 75 3407A2 G09 –25 0 50 100 150 125 MAIN SWITCH SYNCHRONOUS SWITCH VIN = 3.6V VIN = 4.2V VIN = 2.7V LOAD CURRENT (mA) 1 0 30 20 10 70 60 50 40 100 90 80 10 100 1000 3407A2 G10 2.7V VOUT = 2.5V Burst Mode OPERATION CIRCUIT OF FIGURE 3 3.3V 4.2V LOAD CURRENT (mA) 1 0 30 20 10 70 60 50 40 100 90 80 10 100 1000 3407A2 G11 Burst Mode OPERATION PULSE SKIP MODE VIN = 3.6V, VOUT = 1.8V NO LOAD ON OTHER CHANNEL LOAD CURRENT (mA) 1 –4 –3 1 0 –1 –2 4 3 2 10 100 1000 3407A2 G12 Burst Mode OPERATION PULSE SKIP MODE VIN = 3.6V, VOUT = 1.8V NO LOAD ON OTHER CHANNEL TA = 25°C unless otherwise specified. |
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