LTM4609 LINER [Linear Technology], LTM4609 Datasheet - Page 22

• Manufacturer Part Number: LTM4609
• Description: 36VIN, 34VOUT High Effi ciency Buck-Boost DC/DC ?Module
• Manufacturer: LINER [Linear Technology]

LTM4609
TYPICAL APPLICATIONS
22
0.1μF
R4
324k
C1
2-PHASE OSCILLATOR
V
GND
SET
+
LTC6908-1
5V TO 36V
OUT1
OUT2
MOD
V
8V TO 36V
IN
V
IN
1.5k
R1
R3
1k
10μF
50V
10μF
50V
Figure 20. Two-Phase Parallel, 12V at 8A Design
10μF
50V
×2
ON/OFF
0.1μF
R5
100k
C3
5.1V
Figure 19. 32V at 2A Design
0.1μF
C3
PGOOD
RUN
COMP
INTV
PLLFLTR
EXTV
STBYMD
SS
SGND
CC
CC
V
LTM4609
IN
PGOOD
RUN
COMP
INTV
PLLFLTR
EXTV
STBYMD
SS
SGND
PGOOD
RUN
COMP
INTV
PLLFLTR
EXTV
STBYMD
SS
SGND
PGND
PLLIN
CC
CC
CC
CC
SENSE
SENSE
V
V
LTM4609
LTM4609
R
IN
IN
SENSE
PGND
PGND
V
SW1
SW2
FCB
OUT
V
FB
PLLIN
PLLIN
+
–
CLOCK SYNC
CLOCK SYNC 0° PHASE
CLOCK SYNC 180° PHASE
SENSE
SENSE
SENSE
SENSE
R
R
4.7μH
SENSE
SENSE
V
V
L1
4609 TA06
SW1
SW2
SW1
SW2
R
2.55k
FCB
FCB
OUT
OUT
V
V
FB
FB
FB
+
–
+
–
R2
9mΩ
4609 TA05
3.3μH
3.3μH
L1
L2
R2
8mΩ
R
3.57k
R3
8mΩ
+
FB
*
220μF
50V
V
32V
2A
OUT
*R
WHERE N IS THE NUMBER
OF PARALLELED MODULES.
V
OUT
FB
C2
22μF
25V
×2
C4
22μF
25V
×2
IS SELECTED USING
0.8V
+
+
100k
N
R
FB
330μF
25V
330μF
25V
R
FB
V
12V
8A
OUT
4609fa