Datasheet

LTM4620A
35
4620afb
For more information www.linear.com/LTM4620A
TYPICAL APPLICATIONS
Figure 29. 4-Phase, 3.3V at 50A, 750kHz
4620A F29
LTM4620A
V
IN
TEMP
RUN1
RUN2
TRACK1
TRACK2
f
SET
R5
13.3k
R2
5k
C
OUT1
100µF
6.3V
×2
PHASMD
V
OUT1
V
OUTS1
SW1
V
FB1
V
FB
V
FB2
COMP1
COMP
COMP2
V
OUTS2
V
OUT2
SW2
PGOOD2 PGOOD1
MODE_PLLIN CLKOUT
CLK1
CLK1
INTV
CC
EXTV
CC
PGOOD1
PGOOD1
SGND GND DIFFP DIFFN DIFFOUT
R1*
10k
D1*
5.1V
ZENER
5V TO 16V INTERMEDIATE BUS
C1
22µF
25V
C20
0.22µF
C2
22µF
25V
C3
22µF
25V
C10
4.7µF
LTM4620A
V
IN
TEMP
RUN1
RUN2
TRACK1
TRACK2
f
SET
PHASMD
V
OUT1
V
OUTS1
SW1
V
FB1
V
FB2
COMP1
COMP2
V
OUTS2
V
OUT2
SW2
PGOOD2 PGOOD2
COMP
MODE_PLLIN CLKOUT INTV
CC
EXTV
CC
PGOOD1
PGOOD2
SGND GND DIFFP DIFFN DIFFOUT
7V TO 16V INTERMEDIATE BUS
5k
C5
22µF
25V
C15
22µF
25V
C12
22µF
25V
C16
4.7µF
INTV
CC
INTV
CC1
INTV
CC2
INTV
CC1
INTV
CC2
* PULL-UP RESISTOR AND ZENER ARE OPTIONAL
220pF
C
OUT4
100µF
6.3V
×2
C
OUT3
100µF
6.3V
×2
C
OUT2
100µF
6.3V
×2
V
OUT
3.3V
50A
V
IN
R6
100k
R9
100k
V
FB