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LTC3542-1 Datasheet(PDF) 5 Page - Linear Technology |
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LTC3542-1 Datasheet(HTML) 5 Page - Linear Technology |
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5 / 16 page  LTC3542-1 5 35421f Output Voltage vs Supply Voltage Output Voltage vs Load Current RDS(ON) vs Input Voltage RDS(ON) vs Temperature Switch Leakage vs Input Voltage Efficiency vs Input Voltage Switch Leakage vs Temperature Efficiency vs Load Current Efficiency vs Load Current TYPICAL PERFORMANCE CHARACTERISTICS T A = 25°C unless otherwise specified. VIN (V) 1 0 0.1 0.3 0.4 0.5 5 0.9 35421 G12 0.2 3 26 47 0.6 0.7 0.8 SYNCHRONOUS SWITCH MAIN SWITCH VIN (V) 0 0 200 400 600 1 2 34 35421 G14 5 800 1000 100 300 500 700 900 6 SYNCHRONOUS SWITCH MAIN SWITCH TEMPERATURE (°C) –50 200 250 300 25 75 35421 G15 150 100 –25 0 50 100 125 50 0 MAIN SWITCH SYNCHRONOUS SWITCH INPUT VOLTAGE (V) 2 –1.0 –0.8 –0.4 –0.2 0 1.0 0.4 3 4 35421 G10 –0.6 0.6 0.8 0.2 5 6 IOUT = 100mA FIGURE 3a CIRCUIT LOAD CURRENT (mA) 1 0 1.0 2.0 10 100 1000 35421 G11 –1.0 –0.5 0.5 1.5 –1.5 –2.0 Burst Mode OPERATION PULSE SKIP VIN = 3.6V VOUT = 2.8V TEMPERATURE (°C) –50 0 0.1 0.3 0.4 0.5 50 0.9 35421 G13 0.2 0 –25 75 100 25 125 0.6 0.7 0.8 VIN = 3.6V VIN = 4.2V SYNCHRONOUS SWITCH MAIN SWITCH INPUT VOLTAGE (V) 3 100 90 80 70 60 50 40 30 4.5 5.5 35421 G16 3.5 4 56 IOUT = 0.1mA IOUT = 1mA IOUT = 10mA IOUT = 100mA IOUT = 500mA LOAD CURRENT (mA) 30 90 100 20 10 80 50 70 60 40 0.1 10 100 1000 35421 G17 0 1 VIN = 3.6V VIN = 4.2V FIGURE 3a CIRCUIT LOAD CURRENT (mA) 60 70 80 90 100 0.1 10 100 1000 35421 G18 50 1 VIN = 3.6V VOUT = 2.8V Burst Mode OPERATION PULSE SKIP |
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