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LTC3550-1 Datasheet(PDF) 6 Page - Linear Technology |
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LTC3550-1 Datasheet(HTML) 6 Page - Linear Technology |
6 / 24 page LTC3550-1 6 35501f 1000 800 600 400 200 0 3550-1 G10 TEMPERATURE ( °C) –50 25 75 –25 0 50 100 125 VDCIN = VUSBIN = 5V VBAT = 4V θJA = 40°C/W RIDC = 1.25k RIDC = RIUSB = 2k ONSET OF THERMAL REGULATION VDCIN (V) 3550-1 G11 900 800 700 600 500 400 300 4.0 5.0 6.0 6.5 4.5 5.5 7.0 7.5 8.0 RIDC = 1.25k VBAT = 4V θJA = 35°C/W ONSET OF THERMAL REGULATION VBAT (V) 2.4 1000 800 600 400 200 0 3.0 3.6 3.9 3550-1 G12 2.7 3.3 4.2 4.5 VDCIN = VUSBIN = 5V θJA = 40°C/W RIDC = 1.25k TEMPERATURE ( °C) –50 550 500 450 400 350 300 250 25 75 3550-1 G13 –25 0 50 100 125 VBAT = 4V IBAT = 200mA TEMPERATURE ( °C) –50 25 75 –25 0 50 100 125 800 750 700 650 600 550 500 450 400 350 3550-1 G14 VBAT = 4V IBAT = 200mA TEMPERATURE ( °C) –50 25 75 –25 0 50 100 900 850 800 750 700 650 600 3550-1 G15 VDCIN = VUSBIN = 5V TEMPERATURE ( °C) –50 25 75 –25 0 50 100 3550-1 G16 50 45 40 35 30 25 20 15 10 5 0 VDCIN = 8V VDCIN = 5V VDCIN = 4.3V ENABLE = 5V TEMPERATURE ( °C) –50 25 75 –25 0 50 100 45 40 35 30 25 20 15 10 5 0 3550-1 G17 VUSBIN = 8V VUSBIN = 5V VUSBIN = 4.3V ENABLE = 0V TEMPERATURE ( °C) –50 25 75 –25 0 50 100 3550-1 G18 2.8 2.6 2.4 2.2 2.0 1.8 1.6 Charge Current vs Ambient Temperature Charge Current vs Supply Voltage Charge Current vs Battery Voltage DCIN Power FET On-Resistance vs Temperature USBIN Power On-Resistance vs Temperature ENABLE Pin Threshold Voltage (On-to-Off) vs Temperature DCIN Shutdown Current vs Temperature USBIN Shutdown Current vs Temperature ENABLE Pin Pulldown Resistance vs Temperature TYPICAL PERFOR A CE CHARACTERISTICS T A = 25°C, unless otherwise noted. |
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