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AAT3143 Datasheet(PDF) 6 Page - Advanced Analogic Technologies |
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AAT3143 Datasheet(HTML) 6 Page - Advanced Analogic Technologies |
6 / 11 page ![]() Typical Characteristics VIN = 3.5V, CIN = CCP = C1 = C2 = 1µF, TA = 25°C, unless otherwise noted. Input Voltage (V) Input Current vs. Input Voltage (4x10mA) 0 10 20 30 40 50 60 70 80 90 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 VDIODE = 3.4V VDIODE = 3.0V Load Characteristics (1.5X Mode, 4x15mA Load) TIme (1µs/div) VF (20mV/div) IIN (10mA/div) VCP (20mV/div) Line Response (1.5X Mode, 4x19mA Load) Time (1ms/div) VIN (0.5V/div) VLED (20mV/div) VCP (0.5V/div) ID (10mA/div) Line Response (1X Mode, 4x19mA Load) Time (1ms/div) VIN (0.5V/div) VLED (20mV/div) VCP (0.5V/div) ID (10mA/div) PWM Duty Cycle vs. LED Current Duty Cycle (%) 0 2 4 6 8 10 12 14 16 18 20 0 10 2030 40 5060 70 8090 100 100Hz 10kHz 1kHz 1.5X Mode PWM Characteristic (5kHz at 50% Duty Cycle) Time (50µs/div) VEN (2V/div) VLED (2V/div) IIN (100mA/div) ILED (20mA/div) AAT3143 High Efficiency 1X/1.5X/2X Charge Pump with PWM Control for White LED Applications 6 3143.2006.05.1.0 |