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LTC3548EKD-1-PBF Datasheet(PDF) 4 Page - Linear Technology |
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LTC3548EKD-1-PBF Datasheet(HTML) 4 Page - Linear Technology |
4 / 16 page LTC3548-1 4 35481fb TYPICAL PERFORMANCE CHARACTERISTICS Efficiency vs Input Voltage Oscillator Frequency vs Temperature Oscillator Frequency vs Input Voltage Output Voltage Error vs Temperature RDS(ON) vs Input Voltage RDS(ON) vs Junction Temperature Efficiency vs Load Current Load Regulation Line Regulation TA = 25°C unless otherwise specified. INPUT VOLTAGE (V) 2 80 90 6 3548-1 G04 70 60 3 4 5 2.5 3.5 4.5 5.5 100 IOUT = 1mA IOUT = 10mA IOUT = 100mA IOUT = 800mA 75 85 65 95 2.5 2.4 2.3 2.2 2.1 2.0 TEMPERATURE (°C) –50 25 75 3548-1 G05 –25 0 50 100 125 VIN = 3.6V 10 8 6 4 2 0 –2 –4 –6 –8 –10 INPUT VOLTAGE (V) 2 3548-1 G06 3 45 6 TEMPERATURE (°C) –50 –1 –0.8 –0.4 –0.2 0 1 0.4 0 50 75 3548-1 G07 –0.6 0.6 0.8 0.2 –25 25 100 125 VIN = 3.6V INPUT VOLTAGE (V) 1 500 450 400 350 300 250 200 46 3548-1 G08 2 3 57 MAIN SWITCH SYNCHRONOUS SWITCH JUNCTION TEMPERATURE (°C) –50 550 500 450 400 350 300 250 200 150 100 25 75 3548-1 G09 –25 0 50 100 150 125 MAIN SWITCH SYNCHRONOUS SWITCH VIN = 3.6V VIN = 4.2V VIN = 2.7V LOAD CURRENT (mA) 1 60 65 70 75 80 85 90 95 100 10 100 1000 3548-1 G11 VOUT1 = 1.8V VOUT2 = 1.575V LOAD CURRENT (mA) 1 0 1.0 2.0 10 100 1000 3548-1 G12 –1.0 –0.5 0.5 1.5 –1.5 –2.0 VOUT1 = 1.8V VOUT2 = 1.575V LOAD CURRENT (mA) 2.5 –0.5 –0.3 –0.1 0.1 3 3.5 4 4.5 3548-1 G15 5 0.3 0.5 –0.4 –0.2 0 0.2 0.4 5.5 VOUT1 = 1.8V VOUT2 = 1.575V |
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