AAT2601 Datasheet, PDF (21/38 Pages) Advanced Analogic Technologies – Total Power Solution for Portable Applications

PRODUCT DATASHEET
AAT2601178
Total Power Solution for Portable Applications
CHGIN
BAT
Push-button
On Switch
EN_KEY
ON_KEY
Micro
Processor
EN_HOLD
μP
OUT1
EN_BAT
UVLO
Enable for
SYSOUT and
Regulators
Enable for
Battery Charger
Automatic
Tester or
Handsfree
Operation
EN_TEST
Figure 1: Enable Function Detailed Schematic.
EN_KEY
Power Up Sequence
300ms
debounce
delay
Power Down Sequence
ON_KEY
EN_HOLD
OUTBuck
(Core)
OUT1
(PowerDigital)
RESET
90% Regulation
EN_HOLD must be held high
before EN _KEY can be released .
90% Regulation
65ms
Figure 2: Typical Power Up/Down Sequence.
2601.2008.01.1.0
www.analogictech.com
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