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CAT3603 датащи(PDF) 4 Page - ON Semiconductor |
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CAT3603 датащи(HTML) 4 Page - ON Semiconductor |
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4 / 11 page ![]() CAT3603 http://onsemi.com 4 TYPICAL CHARACTERISTICS (VIN = 3.6 V, IOUT = 60 mA (3 LEDs at 20 mA), C1 = C2 = CIN = COUT = 1 mF, TAMB = 25°C unless otherwise specified.) Figure 2. Efficiency vs. Input Voltage (3 LEDs on) Figure 3. Efficiency vs. Total LED Current (3 LEDs) INPUT VOLTAGE (V) LED CURRENT (mA) 3.0 3.2 3.4 3.6 3.8 4.0 4.2 40 50 60 70 80 90 100 100 80 60 40 20 0 40 50 60 70 80 90 100 Figure 4. Quiescent Current vs. Input Voltage (1x Mode) Figure 5. 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 6. Quiescent Current vs. Input Voltage (1.5x Mode) Figure 7. 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 1.0 2.0 3.0 4.0 5.0 6.0 120 80 40 0 −40 0 1.0 2.0 3.0 4.0 5.0 6.0 1x Mode 1.5x Mode 20 mA per LED 15 mA per LED VIN = 4 V (1x Mode) VIN = 3.2 V (1.5x Mode) LEDs Off LEDs Off LEDs Off LEDs Off |
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