Rainbow Electronics MAX1639 - 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