DC1041A-A Linear Technology, DC1041A-A Datasheet - Page 24

• Manufacturer Part Number: DC1041A-A
• Description: BOARD EVAL LTM4601
• Manufacturer: Linear Technology
• Series: µModuler

Specifications of DC1041A-A

• Design Resources: LTM4601 Spice Model LTM4601 Gerber Files DC1041 Design File DC1041 Schematic
• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Power - Output: -
• Voltage - Output: 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5V
• Current - Output: 12A
• Voltage - Input: 4.5 ~ 20V
• Regulator Topology: Buck
• Frequency - Switching: 850kHz
• Board Type: Fully Populated
• Utilized Ic / Part: LTM4601A
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

LTM4601/LTM4601-1
APPLICATIONS INFORMATION
24
0.1μF
118k
1%
C1
1
2
3
V
GND
SET
OSCILLATOR
LTC6908-1
+
2-PHASE
OUT1
OUT2
MOD
6
5
4
4.5V TO 20V
V
IN
*C5 OPTIONAL TO REDUCE ANY LC RINGING.
NOT NEEDED FOR LOW INDUCTANCE PLANE CONNECTION
4.5V TO 20V
+
C8
10μF
25V
2
C5*
100μF
25V
10μF
Figure 19. 2-Phase Parallel, 1.5V at 24A Design
25V
PGOOD
C2
2
V
OUT
R2
100k
392k
392k
MARGIN
R1
100k
5%
R4
PGOOD
MPGM
RUN
COMP
INTV
DRV
PGOOD
MPGM
RUN
COMP
INTV
DRV
CC
CC
CC
CC
SGND
SGND
V
V
IN
IN
LTM4601-1
LTM4601
PLLIN
PGND
PLLIN
PGND
TRACK/SS
TRACK/SS
CLOCK SYNC
0° PHASE
CLOCK SYNC
180° PHASE
f
f
V
DIFFV
SET
V
SET
TRACK/SS CONTROL
CONTROL
OUT_LCL
OUT_LCL
MARG0
MARG1
MARG0
MARG1
V
V
MARGIN
OSNS
OSNS
V
V
NC3
NC2
NC1
OUT
OUT
OUT
V
V
FB
FB
+
–
4601 F19
C6 220pF
C7
0.033μF
TRACK/SS CONTROL
R
20k
SET
100pF
REFER TO
TABLE 2
C3
22μF
6.3V
V
N = NUMBER OF PHASES
470μF
OUT
C3
22μF
6.3V
6.3V
REFER TO
C4
TABLE 2
= 0.6V
+
+
60.4k
N
R
SET
V
1.5V
24A
C4
470μF
6.3V
+ R
OUT
4601fb
SET