Datasheet

LTC6909
17
6909fa
typicAl ApplicAtions
6909 TA02
*C
IN
OPTIONAL TO REDUCE ANY LC RINGING.
NOT NEEDED FOR LOW INDUCTANCE PLANE CONNECTION
V
OUT
V
FB
MARG0
MARG1
V
OUT_LCL
DIFFV
OUT
V
OSNS
+
V
OSNS
–
PGOOD
MPGM
RUN
COMP
INTV
CC
DRV
CC
TRACK/SSPLLIN
LTM4601
392k
392k
51.1k51.1k
R
SET
10k
22µF
6.3V
470µF
6.3V
V
OUT
1.5V
48A MAX
CLOCK SYNC
0° PHASE
CLOCK SYNC
90° PHASE
220pF
MARGIN CONTROL
TRACK/SS CONTROL
TRACK/SS CONTROL
C
IN
*
100µF
25V
10µF
25V
×2
V
IN
f
SETPGNDSGND
V
OUT
V
FB
MARG0
MARG1
V
OUT_LCL
NC3
NC2
NC1
PGOOD
MPGM
RUN
COMP
INTV
CC
DRV
CC
TRACK/SSPLLIN
LTM4601-1
V
IN
f
SETPGNDSGND
5%
MARGIN
V
IN
10V TO 14V
4.5V TO 20V
120pF
22µF
6.3V
10µF
25V
×2
0.1µF
0.1µF
+
470µF
6.3V
+
+
V
OUT
= 0.6V
R
SET
60.4k
N
+ R
SET
N = NUMBER OF PHASES
22µF
6.3V
470µF
6.3V
+
392k
CLOCK SYNC
180° PHASE
TRACK/SS CONTROL
V
OUT
V
FB
MARG0
MARG1
V
OUT_LCL
NC3
NC2
NC1
PGOOD
MPGM
RUN
COMP
INTV
CC
DRV
CC
TRACK/SSPLLIN
LTM4601-1
V
IN
f
SETPGNDSGND
4.5V TO 20V
10µF
25V
×2
22µF
6.3V
0.1µF
470µF
6.3V
+
392k
CLOCK SYNC
270° PHASE
TRACK/SS CONTROL
V
OUT
V
FB
MARG0
MARG1
V
OUT_LCL
NC3
NC2
NC1
PGOOD
MPGM
RUN
COMP
INTV
CC
DRV
CC
TRACK/SSPLLIN
LTM4601-1
V
IN
f
SETPGNDSGND
4.5V TO 20V
PGOOD
10µF
25V
×2
71.5k
V
+
A
GND
PH0
PH1
OUT1
OUT2
OUT3
OUT4
SET
PH2
MOD
V
+
D
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