Datasheet

LTC2953
9
2953f
TIMING DIAGRAMS
t
DB, ON
t
KILL, ON BLANK
PB
KILL
EN
(LTC2953-1)
2953 TD01
PB, UVLO AND KILL
IGNORED
DO NOT CARE SYSTEM SETS KILL HIGH
Figure 1. Power On Timing (UVLO > 0.55V)
t
DB, OFF
t
INT, Min
t < t
PDT
UVLO
INT
PDT
EN
(LTC2953-1)
t
PD, Min
2953 TD02
PB AND UVLO
IGNORED
UVLO IGNORED
PB
ENABLE DOES NOT SWITCH LOW
Figure 2.
⎯
P
⎯
B Interrupt Pulse:
⎯
P
⎯
B Low for t
DB,OFF
< t < (t
PD, Min
+ t
PDT
) (Enable Remains Active)