Rainbow Electronics MAX15022 - Manual (Page 11)

MAX15022
Dual, 4A/2A, 4MHz, Step-Down DC-DC
Regulator with Dual LDO Controllers
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Functional Diagrams (continued)
MAX15022
RES
PWM CONTROLLER 2
DUAL LDO CONTROLLERS
CLK2
SEQ2
ON2
EN2
COMP2
FB2
V REF
1.225V
1.1V
SEQ1
ON1 ON2
SEQ1 SEQ2
SEQ1
CLK2
LEVEL
SHIFT
SEQ2
OVL2
ILIM2
V REF
OVL1
PGND2
LX2
OVL2
SHDN
CLK1 CLK2
DOWN2
E/A
CPWM
V R2
EN2
V REF
RAMP
OVL
CONFIG
CLK2
DIGITAL
SOFT-START
EN CONFIG
OVERLOAD
MANAGEMENT
DIGITAL
SOFT-START
AND SOFT-STOP
EN4 EN3
1.25V
1.125V
SHDN
D
R
BREAK-
BEFORE-
MAKE
Q
AVIN
HIGH-SIDE
CURRENT
SENSE
LOW-SIDE
CURRENT
SENSE
CLK
DVDD2
B4
PVIN2
FB4
V
REF
SHDN
CLK1
DIGITAL
SOFT-START
1.225V
1.1V
B3
FB3