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Part Name
Description
LTC2954CDDB-1 View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC2954CDDB-1
Pushbutton On/Off Controller with µP Interrupt
Linear Technology
LTC2954CDDB-1 Datasheet PDF : 18 Pages
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LTC2954
APPLICATIONS INFORMATION
t
1
PB
t
DB, ON
t
2
t
3
t
4
PB
&
KILL
IGNORED
t
KILL
, ON BLANK
ONT
t
ONT
PDT
INT
KILL
XXX DON'T CARE
t
5
t
6
t
7
t
8
t
9
PB
IGNORED
t
DB, OFF
t
PD, MIN
t < t
PDT
μP DRIVES
KILL
LOW
EN
2954 F01
Figure 1. Simplified Power On/Off Sequence for LTC2954-1. μP Asserts
KILL
After an Interrupt
t
ABORT
PB
t
DB,ON
+ t
ONT
512ms
INTERNAL
TIMER
POWER-ON
TIMING
EN
POWER
TURNED OFF
μP FAILED TO SET
KILL
HIGH
KILL
2954 F02
Figure 2.
KILL
Remaining Low Aborts Power-On Sequence for LTC2954-1
2954fb
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