LTC6909
17
6909fa
typicAl ApplicAtions
6909 TA02
*CIN OPTIONAL TO REDUCE ANY LC RINGING.
NOT NEEDED FOR LOW INDUCTANCE PLANE CONNECTION
VOUT
VFB
MARG0
MARG1
VOUT_LCL
DIFFVOUT
VOSNS+
VOSNS–
PGOOD
MPGM
RUN
COMP
INTVCC
DRVCC
TRACK/SS
PLLIN
LTM4601
392k
51.1k
RSET
10k
22F
6.3V
470F
6.3V
VOUT
1.5V
48A MAX
CLOCK SYNC
0° PHASE
CLOCK SYNC
90° PHASE
220pF
MARGIN CONTROL
TRACK/SS CONTROL
CIN*
100F
25V
10F
25V
×2
VIN
fSET
PGND
SGND
VOUT
VFB
MARG0
MARG1
VOUT_LCL
NC3
NC2
NC1
PGOOD
MPGM
RUN
COMP
INTVCC
DRVCC
TRACK/SS
PLLIN
LTM4601-1
VIN
fSET
PGND
SGND
5%
MARGIN
VIN
10V TO 14V
4.5V TO 20V
120pF
22F
6.3V
10F
25V
×2
0.1F
+
470F
6.3V
+
VOUT = 0.6V
RSET
60.4k
N
+ RSET
N = NUMBER OF PHASES
22F
6.3V
470F
6.3V
+
392k
CLOCK SYNC
180° PHASE
TRACK/SS CONTROL
VOUT
VFB
MARG0
MARG1
VOUT_LCL
NC3
NC2
NC1
PGOOD
MPGM
RUN
COMP
INTVCC
DRVCC
TRACK/SS
PLLIN
LTM4601-1
VIN
fSET
PGND
SGND
4.5V TO 20V
10F
25V
×2
22F
6.3V
0.1F
470F
6.3V
+
392k
CLOCK SYNC
270° PHASE
TRACK/SS CONTROL
VOUT
VFB
MARG0
MARG1
VOUT_LCL
NC3
NC2
NC1
PGOOD
MPGM
RUN
COMP
INTVCC
DRVCC
TRACK/SS
PLLIN
LTM4601-1
VIN
fSET
PGND
SGND
4.5V TO 20V
PGOOD
10F
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
0.01F
Simply Parallel Multiple DC/DC Module Regulator Systems to Achieve Higher Output Current. Board Layout Is as
Easy as Copying and Pasting Each Module Regulator’s Layout With Very Few External Components Required