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LTC3404 Datasheet(PDF) 4 Page - Linear Technology |
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LTC3404 Datasheet(HTML) 4 Page - Linear Technology |
4 / 16 page 4 LTC3404 TYPICAL PERFOR A CE CHARACTERISTICS Oscillator Frequency vs Temperature Efficiency vs Output Current TEMPERATURE ( °C) –50 0.814 0.809 0.804 0.799 0.794 0.789 0.784 25 75 3404 G05 –25 0 50 100 125 VIN = 3.6V Oscillator Frequency vs Supply Voltage INPUT VOLTAGE (V) 1 0 0.5 0.6 0.7 5678 3404 G09 0.4 0.3 0 0.1 2 3 4 0.2 0.9 0.8 SYNCHRONOUS SWITCH MAIN SWITCH Reference Voltage vs Temperature Output Voltage vs Load Current RDS(ON) vs Input Voltage RDS(ON) vs Temperature DC Supply Current vs Input Voltage TEMPERATURE ( °C) –50 –25 0.3 0.4 0.6 0.7 0.8 75 100 1.2 3404 G10 0.5 0 25 50 125 0.9 1.0 1.1 VIN = 3V VIN = 5V SYNCHRONOUS SWITCH MAIN SWITCH OUTPUT CURRENT (mA) 75 85 95 70 80 90 0.1 10 100 1000 3404 G04 65 1 VIN = 3V VIN = 6V VOUT = 1.8V L = 4.7 µH VIN = 4.2V VIN = 3.6V OUTPUT CURRENT (mA) 80 75 85 90 95 100 0.1 10 100 1000 3404 G4a 70 65 1 VIN = 6V VIN = 3.6V VOUT = 3.1V L = 4.7 µH VIN = 4.2V Efficiency vs Output Current TEMPERATURE ( °C) –50 1.55 1.50 1.45 1.40 1.35 1.30 1.25 100 75 3404 G06 –25 0 50 25 125 VIN = 3.6V SUPPLY VOLTAGE (V) 1.25 1.35 1.30 8 3404 G07 2 4 6 1.55 1.50 1.45 1.40 LOAD CURRENT (mA) 0 1.75 1.76 1.77 1.78 1.80 1.81 1.82 200 400 3404 G08 1.79 600 800 1.83 PULSE SKIPPING MODE VIN = 3.6V L = 4.7 µF INPUT VOLTAGE (V) 0 200 500 2 4 5 3404 G11 100 400 300 250 150 50 450 350 3 6 78 VOUT = 1.8V PULSE SKIPPING MODE Burst Mode OPERATION |
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Similar Description - LTC3404 |
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