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LTC3550 Datasheet(PDF) 8 Page - Linear Technology |
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LTC3550 Datasheet(HTML) 8 Page - Linear Technology |
8 / 24 page LTC3550 8 3550fa TEMPERATURE ( °C) –50 0.4 0.5 0.7 25 75 3550 G32 0.3 0.2 –25 0 50 100 125 0.1 0 0.6 MAIN SWITCH SYNCHRONOUS SWITCH VCC = 2.7V VCC = 3.6V VCC = 4.2V VCC (V) 1 0 0.4 0.5 0.7 46 3550 G31 0.3 0.2 23 57 0.1 0 0.6 MAIN SWITCH SYNCHRONOUS SWITCH TEMPERATURE ( °C) –50 1.70 1.65 1.60 1.55 1.50 1.45 1.40 1.35 1.30 25 75 –25 0 50 100 125 VCC = 3.6V 3550 G28 Oscillator Frequency vs Temperature Buck Regulator Supply Current vs VCC Buck Regulator Supply Current vs Temperature TYPICAL PERFOR A CE CHARACTERISTICS T A = 25°C, unless otherwise noted. Oscillator Frequency vs VCC VCC (V) 2 1.8 1.7 1.6 1.5 1.4 1.3 1.2 34 5 6 3550 G29 Buck Regulator Output Voltage vs Load Current LOAD CURRENT (mA) 0 200 300 400 500 600 700 800 1.844 1.834 1.824 1.814 1.804 1.794 1.784 1.774 3550 G30 100 900 VCC = 3.6V RDS(ON) vs VCC Buck Regulator Switches RDS(0N) vs Temperature VCC (V) 2 0 5 15 20 25 50 35 3 4 3550 G33 10 40 45 30 5 6 VOUT = 1.875V ILOAD = 0A TEMPERATURE ( °C) –50 0 5 15 20 25 50 35 0 50 75 3550 G34 10 40 45 30 –25 25 100 125 VCC = 3.6V VOUT = 1.875V ILOAD = 0A Buck Regulator Reference Voltage vs Temperature Buck Regulator Efficiency vs Output Current OUTPUT CURRENT (mA) 70 80 85 95 100 0.1 10 100 1000 3550 G26 60 1 90 75 65 VOUT = 2.5V VCC = 2.7V VCC = 4.2V VCC = 3.6V TEMPERATURE ( °C) –50 0.614 0.609 0.604 0.599 0.594 0.589 0.584 25 75 –25 0 50 100 125 VCC = 3.6V 3550 G27 |
Similar Part No. - LTC3550_15 |
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Similar Description - LTC3550_15 |
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