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AAT3143 Datasheet(PDF) 5 Page - Advanced Analogic Technologies |
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AAT3143 Datasheet(HTML) 5 Page - Advanced Analogic Technologies |
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Typical Characteristics VIN = 3.5V, CIN = CCP = C1 = C2 = 1µF, TA = 25°C, unless otherwise noted. LED Turn-On Delay (PWM Frequency = 5kHz) Time (1µs/div) VEN (2V/div) VLED (2V/div) ILED (10mA/div) LED Turn-On Delay (PWM Frequency = 500Hz) Time (5µs/div) VEN (2V/div) VLED (2V/div) ILED (10mA/div) Turn-On to 2X Mode (VIN = 2.7V) Time (50µs/div) VEN (1V/div) VCP (2V/div) VLED (2V/div) IIN (50mA/div) Turn-On to 1.5X Mode (VIN = 3.5V) Time (50µs/div) VEN (1V/div) VCP (2V/div) VLED (2V/div) IIN (50mA/div) Turn-On to 1X Mode (VIN = 4.2V) Time (50µs/div) VEN (1V/div) VCP (2V/div) VLED (2V/div) IIN (100mA/div) Efficiency (100% Duty Cycle, 4x20mA/channel) Input Voltage (V) 30 40 50 60 70 80 90 100 2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0 4.1 4.2 AAT3143 High Efficiency 1X/1.5X/2X Charge Pump with PWM Control for White LED Applications 3143.2006.05.1.0 5 |
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