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DS6257A Datasheet(PDF) 7 Page - Richtek Technology Corporation |
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DS6257A Datasheet(HTML) 7 Page - Richtek Technology Corporation |
7 / 15 page RT6257A/B 7 DS6257A/B-00 September 2016 www.richtek.com © Copyright 2016 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. Typical Operating Characteristics Efficiency vs. Output Current 0 10 20 30 40 50 60 70 80 90 100 0.001 0.01 0.1 1 10 Output Current (A) VIN = 4.5V VIN = 12V VIN = 18V VOUT = 1V, L = 1.2 μH (744325120) Output Voltage vs. Output Current 0.950 0.975 1.000 1.025 1.050 1.075 1.100 00.5 11.5 22.533.5 44.5 55.5 6 Output Current (A) VOUT = 1V VIN = 18V VIN = 12V VIN = 4.5V Efficiency vs. Output Current 60 70 80 90 100 0.001 0.01 0.1 1 10 Output Current (A) VOUT = 5V, L = 3.3 μH (74437368033) VIN = 8.5V VIN = 12V VIN = 18V UVLO Threshold vs. Temperature 3.4 3.5 3.6 3.7 3.8 3.9 4.0 4.1 4.2 -50 -25 0 25 50 75 100 125 Temperature (°C) Rising Falling VOUT = 1V, IOUT = 1A EN Threshold vs. Temperature 1.00 1.05 1.10 1.15 1.20 1.25 1.30 1.35 1.40 1.45 1.50 1.55 1.60 -50 -25 0 25 50 75 100 125 Temperature (°C) EN_H EN_L VOUT = 1V, IOUT = 0A Output Voltage vs. Output Current 4.9 5.0 5.1 5.2 5.3 00.5 11.5 22.533.5 44.5 55.5 6 Output Current (A) VOUT = 5V VIN = 18V VIN = 12V VIN = 8.5V |
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