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| MIC2287C |
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MICREL |
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MIC2287C Micrel M0510-020906 4 February 2006 Typical Characteristics 90 91 92 93 94 95 96 97 98 99 100 0 2 4 6 8 10 12 VIN (V) Feedback Voltage vs. Input Voltage 0 1 2 3 4 5 0 2 4 6 8 10 12 VIN (V) Shutdown Current vs. Input Voltage 0 1 2 3 4 5 0 2 4 6 8 10 12 VIN (V) Quiescent Current vs. Input Voltage 70 72 74 76 78 80 82 84 IOUT (mA) 3 Series LED Efficiency L = 10H C OUT = 0.22 F V IN = 4.2V V IN = 3.6V V IN = 3.0V 0 5 10 15 20 25 70 72 74 76 78 80 82 84 IOUT (mA) 6 Series LED Efficiency L = 10H C OUT = 0.22 F V IN = 4.2V V IN = 3.6V V IN = 3.0V 0 5 10 15 20 25 0 0.2 0.4 0.6 0.8 1 1.2 1.4 -40 0 40 80 120 TEMPERATURE (C) Switch Frequency vs. Temperature 0 5 10 15 20 25 30 35 40 45 50 -50 0 50 100 TEMPERATURE (C) EN Pin Bias Current vs. Temperature I EN = 4.2V I EN = 3.6V I EN = 3.0V I EN = 10V 300 350 400 450 500 550 -40 0 40 80 120 TEMPERATURE (C) Saturation Voltage vs. Temperature ISW = 500mA 600 650 700 750 800 850 900 -40 0 40 80 120 TEMPERATURE (C) Current Limit vs. Temperature V IN = 2.5V 0 100 200 300 400 500 600 0 100 200 300 400 500 ISW (mA) Switch Saturation Voltage vs. Current VIN = 2.5V VIN = 5V |