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RT8511B Datasheet(PDF) 6 Page - Richtek Technology Corporation |
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RT8511B Datasheet(HTML) 6 Page - Richtek Technology Corporation |
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6 / 11 page  RT8511B 6 DS8511B-05 February 2015 www.richtek.com © Copyright 2015 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. LED Current vs. PWM Duty Cycle 0 10 20 30 40 50 60 0 10 2030 405060 7080 90 100 PWM Duty Cycle (%) PWM = 100Hz PWM = 2kHz PWM = 8kHz Typical Operating Characteristics FB Reference Voltage vs. Input Voltage 198.0 198.3 198.6 198.9 199.2 199.5 4 8 12 16 20 24 Input Voltage (V) Frequency vs. Input Voltage 350 400 450 500 550 600 4 8 12 16 20 24 Input Voltage (V) Efficiency vs. Input Voltage 60 65 70 75 80 85 90 95 100 4 7 9 12 141719 2224 Input Voltage (V) VOUT = 29.5V FB Reference Voltage vs. Temperature 190 192 194 196 198 200 -20 5 30 55 80 105 Temperature (°C) VIN = 4.5V Current Limit vs. Input Voltage 1.0 1.4 1.8 2.2 2.6 3.0 2.5 5.25 8 10.75 13.5 16.25 19 21.75 24.5 Input Voltage (V) |
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