LTC3787
TYPICAL APPLICATIONS
+
–
SENSE1
SENSE1
100k
+
C
PGOOD
TG1
INTV
CC
OUTA1
C
OUTB1
L1
3.3ꢀH
22ꢀF
R
MTOP1
MBOT1
SENSE1
4mΩ
220ꢀF
s 4
ILIM
PHASMD
SW1
C
, 0.1ꢀF
B1
BOOST1
PLLIN/MODE
INTV
CC
SGND
EXTV
RUN
BG1
CC
LTC3787
D1
VBIAS
FREQ
INTV
CC
C
, 0.1ꢀF
SS
C
INT1
4.7ꢀF
SS
PGND
BG2
C
, 15nF
ITH
D2
C
R
ITH
, 8.66k
ITH
MBOT2
MTOP2
, 0.1ꢀF
C
, 220pF
B2
ITHA
L2
3.3ꢀH
R
SENSE2
4mΩ
BOOST2
SW2
R , 12.1k
A
TG2
VFB
–
SENSE2
SENSE2
+
+
+
C
OUTA2
C
+
OUTB2
R
B
CLKOUT
22ꢀF
220ꢀF
232k
s 4
V
V
OUT
IN
24V, 20A*
5V to 24V
C
INA
C
INB
22ꢀF
220ꢀF
s 4
+
–
SENSE1
SENSE1
100k
C
PGOOD
TG1
INTV
CC
OUTA3
C
OUTB3
L3
3.3ꢀH
22ꢀF
R
MTOP3
MBOT3
SENSE3
4mΩ
220ꢀF
s 4
ILIM
SW1
C
, 0.1ꢀF
B3
PHASMD
PLLIN/MODE
SGND
BOOST1
BG1
EXTV
RUN
FREQ
CC
LTC3787
D3
VBIAS
INTV
CC
C
INT2
4.7ꢀF
PGND
BG2
D4
C
SS
MBOT4
MTOP4
, 0.1ꢀF
B4
L4
3.3ꢀH
R
SENSE4
4mΩ
BOOST2
SW2
ITH
TG2
VFB
–
SENSE2
SENSE2
+
C
OUTA4
C
+
OUTB4
CLKOUT
22ꢀF
220ꢀF
3787 F15
s 4
C
C
, C
, C
, C
, C
: TDK C4532X5R1E226M
: SANYO, 50CE220LX
INA OUTA1 OUTA2 OUTA3 OUTA4
, C
, C
, C
, C
INB OUTB1 OUTB2 OUTB3 OUTB4
L1, L2, L3, L4: PULSE PA1494.362NL
MBOT1, MBOT2, MBOT3, MBOT4, MTOP1, MTOP2, MTOP3, MTOP4: RENESAS HAT2169H
D1, D2, D3, D4: BAS140W
*WHEN V < 8V, MAXIMUM LOAD CURRENT AVAILABLE IS REDUCED.
IN
Figure ±5. 4-Phase Single Output Boost Converter
3787fc
32
Linear Systems [ Linear Systems ]
