Rainbow Electronics MAX1639 User Manual
Page 8
MAX1639
High-Speed Step-Down Controller with
Synchronous Rectification for CPU Power
8
_______________________________________________________________________________________
+
-
REF
REF2
REF
FB
PWROK
CC2
CC1
REF1
24R
11R
N
10k
40k
WINDOW
CONTROL AND
DRIVE LOGIC
OSCILLATOR
SLOPE
COMPENSATION
AGND
V
CC
FREQ
REF1
REF
REF2
CSL
CSH
BST
DH
LX
V
DD
DL
RESET
Q
Q
SET
PGND
MAX1639
gm
Figure 2. Simplified Block Diagram
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