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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 OUTL1 Driver
PGNDL
Gate OUTL2 Driver
PGNDL
Internal Oscillator
Thermal
OV
Protection Protection
MODE Control
Class AB/D Modulator
Gate Driver
OUTR1 PGNDR
Gate OUTR2 Driver
PGNDR
Internal Oscillator
Thermal
OV
Protection Protection
PVDDR
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XPT9921 Datasheet
