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LTC3552-1 Datasheet(PDF) 6 Page - Linear Technology |
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LTC3552-1 Datasheet(HTML) 6 Page - Linear Technology |
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6 / 20 page  LTC3552-1 6 35521fa TYPICAL PERFOR A CE CHARACTERISTICS 35521 G16 VCC = 3.6V VOUT2 = 1.575V ILOAD = 40mA TO 400mA REGULATOR 2; CIRCUIT OF FIGURE 2 VOUT2 200mV/DIV IL 200mA/DIV ILOAD 40mA- 400mA 200mA/DIV 20 µs/DIV VCC (V) 35521 G17 100 95 90 85 80 75 70 65 60 2345 5.5 6 2.5 3.5 4.5 VOUT1 = 1.8V, REGULATOR 1 Burst Mode OPERATION CIRCUIT OF FIGURE 2 IOUT = 1mA IOUT = 10mA IOUT = 100mA IOUT = 800mA 2.5 2.4 2.3 2.2 2.1 2.0 TEMPERATURE ( °C) –50 25 75 35521 G18 –25 0 50 100 125 VCC = 3.6V 10 8 6 4 2 0 –2 –4 –6 –8 –10 VCC (V) 2 35521 G19 3 45 6 1.0 0.8 0.6 0.4 0.2 0 –0.2 –0.4 –0.6 –0.8 –1.0 TEMPERATURE ( °C) –50 25 75 35521 G20 –25 0 50 100 125 VCC = 3.6V VCC (V) 1 500 450 400 350 300 250 200 46 35521 G21 2 3 57 MAIN SWITCH SYNCHRONOUS SWITCH JUNCTION TEMPERATURE ( °C) –50 550 500 450 400 350 300 250 200 150 100 25 75 35521 G22 –25 0 50 100 150 125 MAIN SWITCH SYNCHRONOUS SWITCH VCC = 3.6V VCC = 4.2V VCC = 2.7V Switching Regulator Efficiency vs Supply Voltage Oscillator Frequency vs Temperature Oscillator Frequency Error vs Supply Voltage Output Voltage Error vs Temperature RDS(ON) vs Supply Voltage RDS(ON) vs Junction Temperature Burst Mode Operation Load Step Load Step TA = 25°C Unless Otherwise Specified. 35521 G15 VCC = 3.6V VOUT1 = 1.8V ILOAD = 80mA TO 800mA REGULATOR 1; CIRCUIT OF FIGURE 2 VOUT1 200mV/DIV ILOAD: 80mA- 800mA 500mA/DIV IL 500mA/DIV 20 µs/DIV 35521 G14 VCC = 3.6V VOUT1 = 1.8V ILOAD = 60mA REGULATOR 1; CIRCUIT OF FIGURE 2 SW 5V/DIV VOUT1 RIPPLE 20mV/DIV IL 200mA/DIV 2 µs/DIV |
Similar Part No. - LTC3552-1_15 |
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Similar Description - LTC3552-1_15 |
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