LP3941 Datasheet, PDF (26/34 Pages) Texas Instruments – Cellular Phone Power Management Unit

LP3941A Power-Up/Down Sequences
Power-up initiated by the ON-signal.
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Power-up initiated by hands free signal, RTC Alarm or charger insertion.
Note 18: If LDO1 does not reach 93% of nominal output level in 60 ms, LP3941A powers down.
Note 19: If PS_HOLD does not go high in 35 ms from RESET high, LP3941A powers down.
Note 20: If UVLO occurs before the rising edge of the PS_HOLD, LP3941A powers down.
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200945 Version 4 Revision 2 Print Date/Time: 2011/10/25 13:09:13
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