Block diagram – Rainbow Electronics MAX8884Z User Manual
Page 14
MAX8884Y/MAX8884Z
700mA DC-DC Step-Down Converters
with Dual 300mA LDO in 2mm x 2mm CSP
14
______________________________________________________________________________________
PWM LOGIC
STEP-DOWN
CURRENT LIMIT
PWM
ERROR AMP
LX
PGND
FB
IN1A
R1
R2
R6
R7
C2
C1
IN2
R8
R7
ERROR
AMP
ERROR
AMP
CURRENT LIMIT
REFBP
LDO1
LDO1_EN
R11
R10
CURRENT LIMIT
REFBP
LDO2
LDO2_EN
R9
R12
REF
REFBP
AGND
REF
LDO1_EN
LDO2_EN
SEL
IN1B
BUCK_EN
CONTROL
LOGIC
SEL
SEL
MAX8884Y
MAX8884Z
R3
Block Diagram
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