DC1472A Linear Technology, DC1472A Datasheet - Page 20

• Manufacturer Part Number: DC1472A
• Description: BOARD DEMO LTM4618
• Manufacturer: Linear Technology
• Series: µModuler

Specifications of DC1472A

• Design Resources: LTM4618 Spice Model LTM4618 Gerber Files DC1472A Design Files DC1472A Schematic
• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Power - Output: -
• Voltage - Output: 4.5 ~ 26.5 V
• Current - Output: 6A
• Voltage - Input: 4.5 ~ 26.5 V
• Regulator Topology: Buck
• Frequency - Switching: 500kHz
• Board Type: Fully Populated
• Utilized Ic / Part: LTM4618
• Lead Free Status / Rohs Status: Not applicable / Not applicable
• Other names: DC1472; DC1472

TYPICAL APPLICATIONS
LTM4618
20
WITH CLOCK SYNC,
SOFT-START THE REGULATOR FOR APPROXIMATELY 100ms
C3
R5
165k
100ms • 2 • 1.3μA
V
UVLO FUNCTION
IN
•
0.8V
C5
0.1μF
R1 R2
R2
2-PHASE OSCILLATOR
V
GND
SET
6V TO 26.5V
Figure 21. Typical 6V to 26.5V Input, 2.5V at 6A Design, 500kHz Operation
+
LTC6908-1
1.22V
6V TO 26.5V
V
IN
V
OUT1
OUT2
MOD
IN
V
R1
R2
IN
Figure 22. Two LTM4618 Parallel, 2.5V at 12A Design
C1
0.1μF
C
10μF
IN
2
C
10μF
C3
0.47μF
IN2
INTV
V
COMP
TK/SS
RUN
ON/OFF
IN
C
10μF
IN1
CC
SGND
MODE/PLLIN
LTM4618
PGND
PGOOD
V
COMP
TK/SS
RUN
PGOOD
V
COMP
TK/SS
RUN
IN
IN
PGOOD
EXTV
SGND
SGND
FREQ
V
4618 F21
OUT
V
MODE/PLLIN
MODE/PLLIN
CC
FB
LTM4618
LTM4618
PGND EXTV
CLOCK SYNC
180° PHASE
PGND
CLOCK SYNC
0° PHASE
31.6k
10k
28.7k
C2
47pF
EXTV
INTV
INTV
FREQ
FREQ
V
V
OUT
OUT
V
V
CC
CC
CC
CC
FB
FB
4618 F22
C
100μF
OUT
3
V
2.5V/6A
OUT
R4
14.3k
C4
47pF
C
100μF
OUT
4
V
2.5V/12A
OUT
4618fa