MAX8805Y MAXIM [Maxim Integrated Products], MAX8805Y Datasheet - Page 12
MAX8805Y
Manufacturer Part Number
MAX8805Y
Description
600mA PWM Step-Down Converters in 2mm x 2mm WLP for WCDMA PA Power
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet
1.MAX8805Y.pdf
(21 pages)
600mA PWM Step-Down Converters in
2mm x 2mm WLP for WCDMA PA Power
Figure 1. Block Diagram
12
______________________________________________________________________________________
PA_EN
REFBP
AGND
REFIN
IN1A
IN1B
EN2
EN1
IN2
HP
R4
R7
R6
BANDGAP
REFERENCE
CONTROL
LOGIC
1.25V
C2
R5
R2
COMPARATOR
PWM ERROR
BANDGAP
BANDGAP
R1
STEP-DOWN CURRENT LIMIT
CURRENT-LIMIT CONTROL
ERROR AMP
ERROR AMP
BYPASS FET
PWM LOGIC
LDO1 CURRENT LIMIT
LDO2 CURRENT LIMIT
C1
R3
R12
R9
R10
R11
R8
R7
LDO1
PAA
PAB
LX
PGND
LDO2
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