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ACT2801QL-T1026 Datasheet(PDF) 6 Page - Active-Semi, Inc |
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ACT2801QL-T1026 Datasheet(HTML) 6 Page - Active-Semi, Inc |
6 / 23 page Rev 2, 15-Apr-14 Innovative PowerTM - 6 - www.active-semi.com Copyright © 2014 Active-Semi, Inc. ACT2801/ACT2801C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Precondition Voltage Threshold VBAT rising, Rbtv=0 2.8 V Precondition Voltage Threshold Hysteresis 130 mV Low VBAT Charge Current VBAT=1V, RICST=39kΩ 200 mA EOC Current Threshold Percent of the fast charge current 13 % Charge Restart Voltage Threshold 200 mV TH Upper Temperature Voltage Threshold Cold detect NTC thermistor ACT2801-T0550/ACT2801-T1026 1.5 V TH Lower Temperature Voltage Threshold Hot detect NTC thermistor ACT2801-T0550/ACT2801-T1026 0.3 V TH Hysteresis ACT2801-T0550/ACT2801-T1026 50 mV TH Internal Pull-up Current ACT2801-T0550/ACT2801-T1026 60 µA Charge Current Foldback Charge Current Reduction Threshold1 of Vout1 Starting foldback point 4.59 4.7 4.81 V Charge Current Reduction Threshold2 of Vout1 Stop foldback point, RCS=50mΩ, RICST=39kΩ 4.57 V Boost Mode Input Voltage Operation Range 3.0 4.5 V Switching Frequency -15% 0.55 +15% MHz Input Voltage UVLO VBAT rising 3.3 V Input Voltage UVLO Hysteresis VBAT falling 400 mV Output Voltage (VOUT) Ta=25℃ 4.97 5.05 5.10 V Output Voltage Accuracy All conditions -3 VOUT 2 % Output Voltage Transient Response Vbat=3.7V, 80mA-1A-80mA, 0.1A/us 4.75 5.25 V Output Over Voltage Protection VOUT rising 5.7 V Output Over Voltage Protection Hysteresis VOUT falling 300 mV Output Current Regulation Range Rcs=50mΩ, RIOST=37.5kΩ—113kΩ 0.5 1.5 A Output Current Setting Rcs=50mΩ, RIOST=97.6kΩ 1.3 A The Maximum Voltage Across VRcs All conditions 200 mV Minimum On-Time 100 ns Low Side Switch Peak Current Limit VBAT=3.2V, VOUT=5V 4.0 5.6 A ELECTRICAL CHARACTERISTICS (VIN = 5V, TA = 25°C, unless otherwise specified.) |
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