MAX1639 Datasheet, PDF (8/13 Pages) Maxim Integrated Products – High-Speed Step-Down Controller with Synchronous Rectification for CPU Power

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