Datasheet

LP2952-N, LP2952A, LP2953, LP2953A
www.ti.com SNVS095D –MAY 2004–REVISED SEPTEMBER 2013
* R
T
= 1 MEG, C
T
= 0.1 μF
Figure 45. Timing Diagram for Timed Power-On Reset
* Turns ON at V
IN
= 5.87V
Turns OFF at V
IN
= 5.64V
(for component values shown)
Figure 46. 5V Regulator with Snap-On/Snap-Off Feature and Hysteresis
* 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 47. 5V Regulator with Error Flags for LOW BATTERY and OUT OF REGULATION with SNAP-
ON/SNAP-OFF Output
Copyright © 2004–2013, Texas Instruments Incorporated Submit Documentation Feedback 23
Product Folder Links: LP2952-N LP2952A LP2953 LP2953A