LTC6909

17

6909f

TYPICAL APPLICATIONS

6909 TA02

NOT NEEDED FOR LOW INDUCTANCE PLANE CONNECTION

MARG0

MARG1

+

–

PGOOD

MPGM

RUN

COMP

TRACK/SS

PLLIN

LTM4601

392k

392k

51.1k

51.1k

10k

22μF

6.3V

470μF

6.3V

1.5V

48A MAX

CLOCK SYNC

0° PHASE

CLOCK SYNC

90° PHASE

220pF

MARGIN CONTROL

TRACK/SS CONTROL

TRACK/SS CONTROL

100μF

25V

10μF

25V

×2

PGND

SGND

MARG0

MARG1

NC3

NC2

NC1

PGOOD

MPGM

RUN

COMP

TRACK/SS

PLLIN

LTM4601-1

PGND

SGND

5%

MARGIN

10V TO 14V

4.5V TO 20V

120pF

22μF

6.3V

10μF

25V

×2

0.1μF

0.1μF

+

470μF

6.3V

+

+

60.4k

N

N = NUMBER OF PHASES

22μF

6.3V

470μF

6.3V

+

392k

CLOCK SYNC

180° PHASE

TRACK/SS CONTROL

MARG0

MARG1

NC3

NC2

NC1

PGOOD

MPGM

RUN

COMP

TRACK/SS

PLLIN

LTM4601-1

PGND

SGND

4.5V TO 20V

10μF

25V

×2

22μF

6.3V

0.1μF

470μF

6.3V

+

392k

CLOCK SYNC

270° PHASE

TRACK/SS CONTROL

MARG0

MARG1

NC3

NC2

NC1

PGOOD

MPGM

RUN

COMP

TRACK/SS

PLLIN

LTM4601-1

PGND

SGND

4.5V TO 20V

PGOOD

10μF

25V

×2

71.5k

GND

PH0

PH1

OUT1

OUT2

OUT3

OUT4

SET

PH2

MOD

OUT8

OUT7

OUT6

OUT5

LTC6909

SSFM DISABLED

SSFM

ENABLED

0.01μF

Simply Parallel Multiple DC/DC μModule™ Regulator Systems to Achieve Higher Output Current. Board Layout Is as

Easy as Copying and Pasting Each μModule Regulator’s Layout With Very Few External Components Required

μModule is a trademark of Linear Technology Corporation.