Datasheet

BUCK3
V
IN
LDO5
LDO1
LDO2
LDO3
LDO4
RTC
Back-up
Battery
nBATT_FLT
nRSTO
SYS_EN
PWR_EN
SCL
SDA
EXT_WAKEUP
SYNC
LP3972
+
-
BUCK2
BUCK1
nRSTI
GPIO2
GPIO1/nCHG_EN
nTEST_JIG
SPARE
PWR_ON
LP3972
SNVS468K –SEPTEMBER 2006–REVISED MAY 2013 www.ti.com
Application Circuits
Figure 1. Simplified Application Circuit
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