MAX14720 Datasheet, PDF (35/38 Pages) Maxim Integrated Products – Extended System Battery Use Time

MAX14720/MAX14750
Power-Management Solution
Typical Application Circuits (continued)
VBAT
+1.8V TO
+3.6V
HVIN
1µF
BIN
1µF
LIN
1µF
SWIN
1µF
SWEN
HVEN
BEN
LEN
HVILX
4.7µH
HVOLX
BUCK -BOOST
BUCK
LDO
MAX14750A
SWITCH
CONTROL
GND
HVOUT
BLX ^2.2µH
BOUT
+3.3V
10µF
+1.2V
10µF
LOUT
+1.8V
1µF
SWOUT
VSYS
10 µF
VBAT
V_DDB
V_DD12
V_DD18
VRTC
MAX32620
0.1µF
V_CC
MON
ADC
SCL
SCL
SDA
SDA
CAP
0.1µF
HVEN
SWEN
Figure 12. Always-On Coin Cell
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