CMPWR150SF datasheet(7/15 Pages) ONSEMI

7 / 15 page

CMPWR150

Rev. 3 | Page 7 of 15 | www.onsemi.com

Figure 3. Ground Current

V

CC Supply Current of the device is shown across the entire VCC range for both VAUX present (3.3V) and absent

(0V) in V.

In the absence of V

AUX, the supply current remains fixed at approximately 0.15mA until VCC reaches the Select

voltage threshold of 4.35V. 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 10mA until VCC exceeds VAUX, at which point VCC then

powers the controller (0.15mA). When V

CC reaches VSELECT, the regulator is enabled.

Figure 4. V

CC Supply Current (no load)

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