Datasheet

SW
VBST
EN
VFB
GND
VO
4
5
6
2
1
7
VIN
SS
VIN
5VREG
EN
Logic
SW
PGND
Protection
Logic
Ref
SS
UVLO
UVLO
Softstart
SS
REF
TSD
Ref
VREG5
8
VIN
Ceramic
Capacitor
3
SGND
SGND
PGND
XCON
Control Logic
VREG5
VREG5
1 shot
TPS54427
SLVSB43A –NOVEMBER 2011–REVISED JUNE 2013 www.ti.com
FUNCTIONAL BLOCK DIAGRAM
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