Rainbow Electronics MAX15022 - Manual (Page 10)

MAX15022
Dual, 4A/2A, 4MHz, Step-Down DC-DC
Regulator with Dual LDO Controllers
10 ______________________________________________________________________________________
Functional Diagrams
MAX15022
RES
AVIN SEL SGND
PWM CONTROLLER 1
CLK1
RT
COMP1
FB1
V REF
1.225V
1.1V
SEQ1
ON1 ON2
SEQ1
SHDN
SEQ2
ON1
SEQ1
SEQ1
CLK1
CLK2
LEVEL
SHIFT
SEQ2
OVL1
ILIM1
OVL1
PGND1
LX1
OVL2
SHDN
CLK1 CLK2
DOWN1
E/A
CPWM
V R1
EN1
0.6V
REF
V REF
RAMP
EN
OSC
THERMAL
SHDN
OVL
CONFIG
EN CONFIG SEL DECODE
OVERLOAD
MANAGEMENT
DIGITAL
SOFT-START
AND SOFT-STOP
1.225V
1.1V
D
R
BREAK-
BEFORE-
MAKE
Q
AVIN
HIGH-SIDE
CURRENT
SENSE
LOW-SIDE
CURRENT
SENSE
CLK
DVDD1
EN1
PVIN1