LTM4618

20

4618f

Figure 21. Typical 6V to 26.5V Input, 2.5V at 6A Design, 500kHz Operation

TYPICAL APPLICATIONS

4618 F21

COMP

TK/SS

RUN

FREQ

PGOOD

MODE/PLLIN

LTM4618

SGND

PGND

10k

28.7k

31.6k

100μF

3

C2

47pF

2.5V/6A

C1

0.1μF

10μF

2

6V TO 26.5V

R2

UVLO FUNCTION

R1

R2

R1 R2

1.22V

Figure 22. Two LTM4618 Parallel, 2.5V at 12A Design

4618 F22

COMP

TK/SS

RUN

FREQ

MODE/PLLIN

PGOOD

LTM4618

SGND

R4

14.3k

100μF

4

C4

47pF

2.5V/12A

COMP

TK/SS

RUN

FREQ

MODE/PLLIN

PGOOD

LTM4618

SGND

PGND

C3

0.47μF

10μF

6V TO 26.5V

ON/OFF

GND

SET

OUT1

OUT2

MOD

LTC6908-1

2-PHASE OSCILLATOR

C5

0.1μF

WITH CLOCK SYNC,

SOFT-START THE REGULATOR FOR APPROXIMATELY 100ms

R5

165k

10μF

CLOCK SYNC

180° PHASE

CLOCK SYNC

0° PHASE

C3

100ms • 2 • 1.3μA

0.8V