MAX8805Y MAXIM [Maxim Integrated Products], MAX8805Y Datasheet - Page 18

• Manufacturer Part Number: MAX8805Y
• Description: 600mA PWM Step-Down Converters in 2mm x 2mm WLP for WCDMA PA Power
• Manufacturer: MAXIM [Maxim Integrated Products]

600mA PWM Step-Down Converters in
2mm x 2mm WLP for WCDMA PA Power
Figure 4. Typical Application Circuit Using LDOs for PA Enable/Bias
18
______________________________________________________________________________________
*1μH FDK MIPS 2520D1R0
2.2μH FDK MIPF 2520D2R2
PROCESSOR
BASEBAND
GPIO
GPIO
GPIO
GPIO
Li+ BATTERY
DAC
1μF
2.2μF
PA_EN
REFIN
IN1A
IN1B
EN2
EN1
IN2
HP
MAX8805Y/MAX8805Z
2MHz OR 4MHz
CONTROL
BUCK
LDO1
LDO2
REF
LX
PBA
PBB
PGND
LDO2
REFBP
AGND
LDO1
1μH OR
2.2μH*
0.22μF
2.2μF
0.1μF
0.1μF
EN/BIAS
PA2
PA1
IN
IN