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RT9451 数据表(PDF) 11 Page - Richtek Technology Corporation |
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RT9451 数据表(HTML) 11 Page - Richtek Technology Corporation |
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11 / 37 page  RT9451 11 DS9451-00 September 2013 www.richtek.com © Copyright 2013 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. Typical Operating Characteristics Charge Mode Efficiency vs. Battery Voltage 60 65 70 75 80 85 90 95 100 3.4 3.5 3.6 3.7 3.8 3.9 4 4.1 4.2 Battery Voltage (V) VIN = 5V ICHRG = 1A ICHRG = 1.4A ICHRG = 1.8A ICHRG = 2.2A ICHRG = 2.6A ICHRG = 3A Efficiency vs. Battery Voltage 60 65 70 75 80 85 90 95 100 3.4 3.5 3.6 3.7 3.8 3.9 4 4.1 4.2 Battery Voltage (V) VIN = 9V ICHRG = 1A ICHRG = 1.4A ICHRG = 1.8A ICHRG = 2.2A ICHRG = 2.6A ICHRG = 3A Time (10ms/Div) Adapter Insertion LX (10V/Div) IIN (200mA/Div) VIN = 5V, VBAT = 3.7V STAT (2V/Div) VIN (5V/Div) Time (5ms/Div) Battery Removal LX (5V/Div) ILX (1A/Div) VIN = 5V, VBAT = 3.7V, TERM_EN = 1 STAT (2V/Div) VBAT (1V/Div) Time (10ms/Div) Bad Adapter IIN (20mA/Div) INT (5V/Div) VIN = 5V/10mA, VBAT = 3.7V VIN (5V/Div) Time (250 μs/Div) Minimum Input Voltage Regulation IIN (1A/Div) INT (5V/Div) VMIVR = 4.76V, VBAT = 3.7V VIN (2V/Div) VIN = 5V/1A, ICHRG = 2A, No AICR |
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