Rainbow Electronics MAX1635 - Manual (Page 12)

MAX1630–MAX1635
Multi-Output, Low-Noise Power-Supply
Controllers for Notebook Computers
12 ______________________________________________________________________________________
SHOOT-
THROUGH
CONTROL
R
Q
30mV
R Q
LEVEL
SHIFT
1 µ s
SINGLE-SHOT
1X
MAIN PWM
COMPARATOR
OSC
LEVEL
SHIFT
CURRENT
LIMIT
SYNCHRONOUS
RECTIFIER CONTROL
REF
SHDN
CK
-100mV
CSH_
CSL_
FROM
FEEDBACK
DIVIDER
BST_
DH_
LX_
VL
DL_
PGND
S
S
SLOPE COMP
SKIP
REF
SECFB
COUNTER
DAC
SOFT-START
Figure 3. PWM Controller Detailed Block Diagram