Datasheet

MAX1533A/MAX1537A
High-Efficiency, 5x Output, Main Power-Supply
Controllers for Notebook Computers
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Figure 3: PWM-Controller Functional Diagram
S
R
Q
R
S
Q
DH DRIVER
DL DRIVER
SLOPE COMP
DACCOUNTER
SOFT-START
CURRENT
LIMIT
ON
OSC
FROM FB
REF/2
CSL
CSH
IDLE-
MODE
CURRENT
0.2 x V
LIMIT
SECONDARY
FEEDBACK
0.8V
ONE-SHOT
-1.2 x V
LIMIT
LX
PGND
MAX1537A ONLY
GND
(SEE FIGURE 5)
SKIP