User Manual

MAX1813
Dynamically-Adjustable, Synchronous Step-Down
Controller with Integrated Voltage Positioning
34 ______________________________________________________________________________________
Figure 16. Adjusting V
OUT
with a Resistive-Divider
MAX1813
DH
LX
VPCS
PGND
DL
GND
FB
V
OUT
C
OUT
Q
L
C
FB
C
VPCS
R
VPCS
Q
H
R4
R5
L1
R
SENSE
V
OUT
= V
FB
(1 + R4/R5)
MAX1813
DH
LX
VPCS
PGND
DL
GND
REF
FB
V
OUT
C
OUT
Q
2
C
FB
C
VPCS
R
VPCS
Q
1
R
FB
R1
R2
R3
LOGIC
ADD0
ADD1
CONTROL
LOGIC
INH
R4
L1
R
SENSE
C
REF
MAX4634
Figure 17. Adding a Positive Offset Voltage