1.2A PWM Step-Down Converter in
2mm x 2mm WLP/UCSP for PA Power
16 ______________________________________________________________________________________
REFBP
AGND
LDO2
IN2
N.I.C.
EN2
IN1B
PA_EN
WLP/UCSP
(2mm ?/SPAN> 2mm)
HP
N.C.
PAB
T.P.
PGND
LX
IN1A
PAA
A1
A2
A3
A4
B1
B4
B3
B2
C1
C2
C3
C4
D1
D4
D3
D2
+
TOP VIEW
(BUMPS ON BOTTOM)
Pin Configuration
Chip Information
PROCESS: BiCMOS