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LTC3370 Datasheet(PDF) 6 Page - Linear Technology |
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LTC3370 Datasheet(HTML) 6 Page - Linear Technology |
6 / 24 page LTC3370 6 3370f For more information www.linear.com/LTC3370 Typical perForMance characTerisTics Buck VIN Undervoltage Threshold vs Temperature VCC Supply Current vs Temperature VCC Supply Current vs Temperature RT Programmed Oscillator Frequency vs Temperature Default Oscillator Frequency vs Temperature Buck Efficiency vs ILOAD Buck Power Loss vs ILOAD VCC Undervoltage Threshold vs Temperature Oscillator Frequency vs VCC TA = 25°C, unless otherwise noted. LOAD CURRENT (mA) 3370 G01 100 90 80 40 30 20 10 70 50 60 0 1 1000 100 10 Burst Mode OPERATION VIN = 3.3V VOUT = 1.8V fOSC = 2MHz L = 2.2µH 1A BUCK 2A BUCK 3A BUCK 4A BUCK 3000 2500 1000 500 2000 1500 0 1 1000 100 10 Burst Mode OPERATION VIN = 3.3V VOUT = 1.8V fOSC = 2MHz L = 2.2µH 3370 G02 1A BUCK 2A BUCK 3A BUCK 4A BUCK LOAD CURRENT (mA) TEMPERATURE (°C) –55 –25 5 35 65 95 125 155 2.30 2.35 2.40 2.45 2.50 2.55 2.60 2.65 2.70 3370 G03 VCC RISING VCC FALLING TEMPERATURE (°C) –55 –25 5 35 65 95 125 155 1.90 1.95 2.00 2.05 2.10 2.15 2.20 2.25 2.30 3370 G04 VIN RISING VIN FALLING TEMPERATURE (°C) –55 –25 5 35 65 95 125 155 1.80 1.85 1.90 1.95 2.00 2.05 2.10 2.15 2.20 3371 G07 VCC = 2.7V VCC = 3.3V VCC = 5.5V RT = 400k TEMPERATURE (°C) –55 –25 5 35 65 95 125 155 1.80 1.85 1.90 1.95 2.00 2.05 2.10 2.15 2.20 3370 G08 VCC = 2.7V VCC = 3.3V VCC = 5.5V VRT = VCC VCC (V) 2.7 2.20 2.15 2.00 1.90 2.10 2.05 1.95 1.85 1.80 3.9 5.1 3.5 4.7 3370 G09 5.5 3.1 4.3 VRT = VCC RT = 400k AT LEAST ONE BUCK ENABLED PLL/MODE = 0V FB = 850mV VCC = 2.7V VCC = 3.3V VCC = 5.5V TEMPERATURE (°C) –55 –25 5 35 65 95 125 155 0 25 50 75 100 125 3370 G05 AT LEAST ONE BUCK ENABLED PLL/MODE = 2MHz TEMPERATURE (°C) –55 –25 5 35 65 95 125 155 0 40 80 120 160 200 240 280 320 360 400 3370 G06 VCC = 2.7V VCC = 3.3V VCC = 5.5V |
Similar Part No. - LTC3370_15 |
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Similar Description - LTC3370_15 |
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