Datasheet

MAX5038/MAX5041
Dual-Phase, Parallelable, Average Current-Mode
Controllers
14 ______________________________________________________________________________________
DRIVE 2
DRIVE 1
CPWM1
CPWM2
CEA1
CEA2
VEA
DIFF
AMP
CA1
CA2
CLP2
CSP2
CSN2
CLP1
CSN1
CSP1
SENSE+
SENSE-
V
IN
V
IN
LOAD
C
OUT
V
OUT
R
IN
*
R
F
*
R
S
R
S
I
PHASE1
I
PHASE2
R
CF
C
CFF
C
CF
R
CF
C
CCF
C
CF
MAX5041
V
REF
=
+1.0V
*R
F
AND R
IN
ARE
EXTERNAL TO MAX5041
(R
F
= R8, R
IN
= R7, FIGURE 2)
Figure 3b. MAX5041 Control Loop
DRIVE 2
DRIVE 1
CPWM1
CPWM2
CEA1
CEA2
VEA
DIFF
AMP
CA1
CA2
V
REF
C
LP2
C
SP2
C
SN
2
C
LP1
C
SN
1
C
SP1
SENSE+
SENSE-
V
IN
V
IN
LOAD
C
OUT
V
OUT
R
IN
*
R
F
*
R
S
R
S
I
PHASE1
I
PHASE2
R
CF
C
CFF
C
CF
R
CF
C
CCF
C
CF
*R
F
AND R
IN
ARE EXTERNAL TO MAX5038
(R
F
= R8, R
IN
= R7, FIGURE 1)
MAX5038
Figure 3a. MAX5038 Control Loop