MAX15022_11 Datasheet, PDF (11/28 Pages) Maxim Integrated Products – Dual, 4A/2A, 4MHz, Step-Down DC-DC Regulator with Dual LDO Controllers

Dual, 4A/2A, 4MHz, Step-Down DC-DC
Regulator with Dual LDO Controllers
Functional Diagrams (continued)
EN4 EN3
MAX15022
PWM CONTROLLER 2
DUAL LDO CONTROLLERS
EN2
1.225V
1.1V
SEQ2
ON2
V_REF
CLK2 DOWN2
DIGITAL
SOFT-START
V_REF
V_R2
AND SOFT-STOP _EN2
FB2
ON1 ON2
SEQ1
EN CONFIG
SEQ2
SEQ1
E/A
1.225V
1.1V
V_REF
CLK1
DIGITAL
SOFT-START
SHDN
SHDN
1.25V
1.125V
V_REF
CLK2
DIGITAL
SOFT-START
SEQ1 SEQ2
OVL
CONFIG
SHDN
OVL1
OVL2
CLK1 CLK2
OVL2 _RES
ILIM2 ^OVERLOAD
MANAGEMENT
COMP2
CLK2
RAMP
CPWM
LEVEL
CLK
SHIFT
AVIN
DQ
R
BREAK-
BEFORE-
MAKE
FB3
B3
FB4
B4
DVDD2
PVIN2
HIGH-SIDE
CURRENT
SENSE
LX2
LOW-SIDE
CURRENT
SENSE
PGND2
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