AAT2601B Datasheet, PDF (22/39 Pages) Skyworks Solutions Inc. – Total Power Solution for Portable Applications

DATA SHEET
AAT2601B
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
ON_KEY
Power Up Sequence
300ms
debounce
delay
Power Down Sequence
EN_HOLD
OUTBUCK
OUT1
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.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
22
202181B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 19, 2013