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CAT3614 Datasheet(PDF) 4 Page - ON Semiconductor |
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CAT3614 Datasheet(HTML) 4 Page - ON Semiconductor |
4 / 12 page CAT3614 http://onsemi.com 4 TYPICAL CHARACTERISTICS (VIN = 3.6 V, IOUT = 80 mA (4 LEDs at 20 mA), C1 = C2 = CIN = COUT = 1 mF, TAMB = 25°C unless otherwise specified.) Figure 3. Efficiency vs. Input Voltage (4 LEDs) Figure 4. Efficiency vs. Total LED Current (4 LEDs) INPUT VOLTAGE (V) TOTAL LED CURRENT (mA) 3.0 3.2 3.4 3.6 3.8 4.0 4.2 40 50 60 70 80 90 100 125 100 75 50 25 0 40 50 60 70 80 90 100 Figure 5. Quiescent Current vs. Input Voltage (1x Mode) Figure 6. Quiescent Current vs. Temperature (1x Mode) INPUT VOLTAGE (V) TEMPERATURE (°C) 4.2 4.0 3.8 3.6 3.4 3.2 3.0 0 0.2 0.4 0.6 0.8 120 80 40 0 −40 0 0.2 0.4 0.6 0.8 Figure 7. Quiescent Current vs. Input Voltage (1.5x Mode) Figure 8. Quiescent Current vs. Temperature (1.5x Mode) INPUT VOLTAGE (V) TEMPERATURE (°C) 4.2 4.0 3.8 3.6 3.4 3.2 3.0 0 1 2 3 4 5 6 120 80 40 0 −40 0 1 2 3 4 5 6 4 LEDs OFF 4 LEDs OFF 4 LEDs OFF 4 LEDs OFF VIN = 4 V (1x Mode) VIN = 3.2 V (1.5x Mode) 1x mode 1.5x mode 20 mA per LED 10 mA per LED |
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