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CMPWR300SA датащи(PDF) 5 Page - California Micro Devices Corp |
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CMPWR300SA датащи(HTML) 5 Page - California Micro Devices Corp |
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5 / 11 page ![]() © 2000 Calirornia Micro Devices Corp. All rights reserved. 12/5/2000 215 Topaz Street, Milpitas, California 95035 Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com CALIFORNIA MICRO DEVICES CMPWR300 5 Fig 1.4. Ground Current is shown across the entire range of load conditions. The ground current has minimal variation across the range of load conditions and shows only a slight increase at maximum load due to the current limit protection circuitry. Fig 1.5. V CC Supply Current of the device is shown across the entire V CC range for both VAUX present (3.3V) and absent (0V). In the absence of V AUX, the supply current remains fixed at approximately 1mA when V CC reaches the voltage level of about 2.5V. At this point the regulator is enabled and a supply current of 1.0mA is conducted. When V AUX is present, the VCC supply current is less than 10uA until V CC exceeds VAUX, at which point VCC then powers the controller (0.15mA). When V CC reaches VSELECT, the regulator is enabled. Fig 1.4. Ground Current 0.0 0.5 1.0 1.5 2.0 0 100 200 300 400 500 Load Current [mA] Fig 1.5. Vcc Supply Current (No Load) 10 100 1000 10000 12 3 4 5 Vcc [V] Vaux = 0V Vaux = 3.3V |
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