W
XPT9921
XP
XP
D XP
BD W Ω B
XP
XP
z
BD
W W
·
PDA
·
· · DVD
· ·LCD
/
2.1/2.0/5.1
D V D V
Ω Ω
XPT9921
W pop
D V V~V
Ω
AB/DL
VDD
INL1 INL2
SW
BYPASSL
SE/BTLL
Bias and Reference
PDNL AB/DR
INR1 INR2
SW
BYPASSR
SE/BTLR
Bias and Reference
PDNR
GND
PVDDL
MODE Control
Class AB/D Modulator
Gate OUTL...
