ltc3787gn Linear Technology Corporation, ltc3787gn Datasheet - Page 31

• Manufacturer Part Number: ltc3787gn
• Description: Ltc3787 - Polyphase Synchronous Boost Controller
• Manufacturer: Linear Technology Corporation

Typical applicaTions
C
C
C
C
L1, L2: PULSE PA2050.103NL
MBOT1, MBOT2, MTOP1, MTOP2: RENESAS RJK0305
D1, D2: BAS140W
D3, D4: DIODES INC. B340B
OUTA1
OUTB1
INA
INB
12.1k, 1%
C
C3
0.1µF
ITH
: TDK C4532X5R1E226M
: SANYO 50CE220AX
R
R
26.1k
A
, C
FREQ
, 15nF
, C
R
1%
S2
OUTA2
OUTB2
R
232k
1%
, 41.2k
S
C
Figure 14. High Efficiency 2-Phase 24V Boost Converter with Inductor DCR Current Sensing
26.1k
C
ITHA
R
R
1%
: C4532x7R1H685K
: SANYO 63CE220KX
SS
ITH
S4
, 0.1µF
, 220pF
, 8.87k, 1%
R
INTV
S1
C1
0.1µF
, 53.6, 1%
CC
R
C4
0.1µF
C2
0.1µF
S3
, 53.6k, 1%
SS
ILIM
PHASMD
PLLIN/MODE
EXTV
ITH
SENSE1
SENSE1
CLKOUT
SGND
RUN
FREQ
SENSE2
SENSE2
VFB
CC
–
+
+
–
LTC3787
BOOST2
BOOST1
PGOOD
INTV
VBIAS
PGND
SW2
SW1
BG2
TG2
BG1
TG1
CC
100k
C
B1
D2
D1
C
, 0.1µF
B2
, 0.1µF
INTV
C
4.7µF
CC
INT
MTOP1
MBOT1
MBOT2
MTOP2
D4
D3
10.2µH
10.2µH
L1
L2
3787 F14
C
6.8µF
× 4
C
22µF
× 4
C
6.8µF
× 4
OUTA1
INA
OUTA2
V
5V TO 24V
IN
+
+
+
C
220µF
C
220µF
C
220µF
OUTB1
INB
OUTB2
LTC3787
V
24V, 8A
OUT
31
3787fa