Datasheet

LTM4620A
18
4620afb
For more information www.linear.com/LTM4620A
APPLICATIONS INFORMATION
Figure 7. Output Coincident Tracking Waveform
Figure 6. Example of Output Tracking Application Circuit
TIME
MASTER OUTPUT
SLAVE OUTPUT
OUTPUT VOLTAGE
4620A F07
4620A F06
LTM4620A
V
IN
TEMP
RUN1
RUN2
TRACK1
TRACK2
f
SET
C8
470µF
6.3V
R
FB
60.4k
R2
10k
C6
100µF
6.3V
PHASMD
V
OUT1
V
OUTS1
SW1
V
FB1
V
FB2
COMP1
COMP2
V
OUTS2
V
OUT2
SW2
PGOOD2
MODE_PLLIN CLKOUT INTV
CC
EXTV
CC
PGOOD1
INTV
CC
SGND GND
RAMP TIME
t
SOFTSTART
= (C
SS
/1.3µA) • 0.6
* PULL-UP RESISTOR AND ZENER ARE OPTIONAL
DIFFP DIFFN DIFFOUT
40.2k
PGOOD
SLAVE
V
OUT2
1.2V AT 13A
V
OUT1
1.5V AT 13A
C7
470µF
6.3V
C5
100µF
6.3V
R4
121k
R
TB
60.4k
R1*
10k
D1*
5.1V ZENER
7V TO 16V INTERMEDIATE BUS
C
SS
0.1µF
C1
22µF
25V
R
TA
60.4k
C2
22µF
25V
C3
22µF
25V
C4
22µF
25V
C10
4.7µF
R9
10k
INTV
CC
V
IN
INTV
CC
V
OUT1
1.5V
R6
100k
PGOOD
MASTER