LTM4608 LINER [Linear Technology], LTM4608 Datasheet - Page 20

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LTM4608

Manufacturer Part Number
LTM4608
Description
Low VIN, 8A DC/DC ?ModuleTM with Tracking, Margining, and Frequency Synchronization
Manufacturer
LINER [Linear Technology]
Datasheet

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LTM4608
APPLICATIONS INFORMATION
20
3V TO 5.5V
3V TO 5.5V
V
IN
V
IN
PHMODE
C
10μF
IN
TRACK
MODE
C2
10μF
Figure 19. Two LTM4608s in Parallel, 1.5V at 16A Design
RUN
Figure 18. Typical 3V to 5.5V
10μF
V
SV
SW
RUN
PLLLPF
TRACK
MODE
PHMODE
CLKOUT GND
IN
IN
LTM4608
CLKIN
CLKIN
V
SV
SW
RUN
PLLLPF
TRACK
MODE
PHMODE
V
SV
SW
RUN
PLLLPF
TRACK
MODE
PHMODE
CLKOUT GND
CLKOUT GND
IN
IN
IN
IN
SGND
PGOOD
BSEL
V
MGN
I
THM
OUT
LTM4608
LTM4608
I
OE
FB
TH
H
H
L
CLKIN
CLKIN
A
H
L
X
IN
SGND
SGND
BSEL
PGOOD
PGOOD
50k
V
BSEL
BSEL
V
MGN
V
MGN
OUT
IN
I
I
H
L
Z
THM
THM
OUT
OUT
I
I
R
3.09k
C1
220pF
FB
FB
, 2.5V at 8A Design
TH
TH
FB
U1: PERICON P1745T1G126CEX
OR TOSHIBA 7C75Z126AFE
MGN
V
(HIGH = 10%)
(FLOAT = 15%)
(LOW = 5%)
IN
H
4608 F19
L
/2
V
V
OUT
OUT
+ OF BSEL SELECTION
– OF BSEL SELECTION
C3
47pF
MARGIN VALUE
NO MARGIN
C
100μF
OUT
V
50k
100pF
IN
100k
C4
V
IN
V
PGOOD
V
2.5V
8A
8A AT 5V INPUT
6A AT 3.3V INPUT
OUT
OUT
3.32k
4
5
3
1
U1
100μF
6.3V
X5R
C3
100μF
6.3V
X5R
C1
100μF
6.3V
X5R
4608 F18
2
OE
A
IN
V
1.5V
16A
OUT
4608f

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