Datasheet

MAX8655
Highly Integrated, 25A, Wide-Input,
Internal MOSFET, Step-Down Regulator
10 ______________________________________________________________________________________
Figure 1. Functional Diagram
IN
6.5V LDO
REGULATOR
5V AVL
LDO
EN
PWM
CONTROL
LOGIC
SHOOT-THROUGH
PROTECTION
LEVEL
SHIFT
BST
SYNCO
FSYNC
MODE
CS+
CS-
ILIM1
GND
ILIM2
POK
CURRENT-LIMIT
CONTROL LOGIC
UVLO
VL
LX
÷7.5
10µA
VL
OVP
SCOMP
THERMAL
SHDN
COMP
PWM
COMPARATOR
REF
SELECT
LOGIC
SS
REFIN
SOFT-START
CIRCUITRY
FB
AVL
VL
VOLTAGE
REFERENCE
V
REF
V
SUM
VLGND
PGND
PVIN
MAX8655
COMP
CLAMP
OSCILLATOR
SLOPE
COMP
GM
ERROR
AMPLIFIER
OVP
1.15V REF
CURRENT-SENSE
AMPLIFIER
12
CURRENT-LIMIT
COMPARATOR
X1
LEVEL
SHIFT
FB
0.9V REF