LP2953QML, LP2953QML-SP

SNVS395C – NOVEMBER 2010 – REVISED APRIL 2013

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* Connect to Logic or

μP control inputs.

OUTPUT has SNAP-ON/SNAP-OFF feature.

LOW BATT flag warns the user that the battery has discharged down to about 5.8V, giving the user time to recharge

the battery or shut down hardware with high power requirements. The output is still in regulation at this time.

OUT OF REGULATION flag goes low if the output goes below about 4.7V, which could occur from a load fault.

OUTPUT has SNAP-ON/SNAP-OFF feature. Regulator snaps ON at about 5.7V input, and OFF at about 5.6V.

Figure 40. 5V Regulator with Error Flags for

LOW BATTERY and OUT OF REGULATION

with SNAP-ON/SNAP-OFF Output

Figure 41. 5V Regulator with Timed Power-On Reset, Snap-On/Snap-Off Feature and Hysteresis

Td = (0.28) RC = 28 ms for components shown.

Figure 42. Timing Diagram

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