MAX1638 Datasheet, PDF (8/16 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
REF1
REF4
REF3
REF2
AGND
V_CC
MAX1638
SLOPE
COMPENSATION
FREQ
OSCILLATOR
CC1
40k
CC2
10k
g_m
REF
RESET
Q
REF
CONTROL AND
DRIVE LOGIC
Q
SET
WINDOW
REF2
REF3
REF4
REF1
5
N
FB
Figure 2. Simplified Block Diagram
D0–D4
PWROK
PDRV
NDRV
CSL
CSH
LG
BST
DH
LX
V_DD
DL
PGND
8 _______________________________________________________________________________________