Datasheet

LTM4619
19
4619fb
For more information www.linear.com/LTM4619
Figure 19. Typical 4.5V to 26.5V Input, 1.2V and 1.5V
Outputs at 4A Design with Adjusted Frequency at 500kHz
Typical applicaTions
4619 F19
V
IN
V
FB1
COMP1
V
OUT1
TK/SS1
RUN1
PGOOD
FREQ/PLLFLTR
V
FB2
COMP2
V
OUT2
TK/SS2
RUN2
INTV
CC
MODE/PLLIN
LTM4619
SGND PGND
121k
100k
68.1k
R2
1.21k
C
OUT2
100µF
×2
C
OUT1
100µF
×2
V
OUT2
1.5V/4A
V
OUT1
1.2V/4A
0.1µF
C
IN
10µF
×2
0.1µF
V
IN
4.5V TO
26.5V
C1
22pF
C2
22pF
R1
3.83k
EXTERNAL 5V SUPPLY FOR
INPUT VOLTAGE BELOW 5.5V
INTV
CC
PGOOD
EXTV
CC
Figure 20. Output Paralleled LTM4619 Module for 5V Output at 8A Design
4619 F20
V
IN
COMP1
COMP2
TK/SS1
TK/SS2
PGOOD
FREQ/PLLFLTR
V
FB1
V
FB2
V
OUT1
V
OUT2
RUN2
RUN1
INTV
CC
EXTV
CC
MODE/PLLIN
LTM4619
SGND PGND
R1
5.76k
C4
100µF
C5
330µF
V
OUT2
5V/8A
C3
0.1µF
C
IN
10µF
V
IN
6V TO
26.5V
C1
51pF
+