Datasheet

LT3782A
16
3782afb
TYPICAL APPLICATIONS
12V Input to 24V at 8.5A Output Synchronous Boost Converter
C2
0.1µF
C3
2.2nF
C4 22pF
R3 10
27 26 25 24 23 22 21 20 19 18 17 16 15 28
2 3 4 5 6 7 8 9
10 11 12 13 14
1
R2 60.4k
R5 23.7k R6 56.2k
C9
2.2nF
C
C2
220pF
C
C1
6.8nF
R
C1
15k
R1 10
3782A TA04
V
CC1
GND GND
V
EE1
BGATE1 BG1
BG2
GBIAS1 GBIAS2
BGATE2
V
EE2
GND RUN RUN
FB = 2.44V
V
C
GBIAS
SGATE1 GND GND SYNC DELAY DCL SENSE1
+
SENSE1
+
SENSE1
–
SLOPE
R
SET
SENSE2
–
SENSE2
+
SS SGATE2
SGATE1 SGATE2
SENSE1
–
SENSE2
+
SENSE2
–
SENSE2
+
LT3782A
SENSE2
–
R
FB1
475k
V
OUT
R4 53.6k
C1 2.2µF
L2
8.3µH
L1
8.3µH
C8 2.2µF
C5 1µF
D4
PD3S160
DFLS160
C6 1µF
C12 0.001µF
R
B
825k
RUN
V
IN
R7 402k
Q4 HAT2172H
Q5 HAT2172H
BG2BG2
R
S3
0.006
R
S4
0.006
TG
TS
BST
GND IN V
CC
LTC4440-5
2 3 1
5 4 6
SGATE2
5V
SENSE1
–
SENSE1
+
Q1 HAT2172H
Q2 HAT2172H
BG1BG1
0.0060.006
C10 1µF
D3
PD3S160
D1 DFLS160
C13 10µF s4
C11 330µF s4
V
OUT
24V AT 8.5A
C7 1µF
Q6 HAT2166H
TG
TS
BST
GND IN V
CC
LTC4440-5
2 3 1
5 4 6
SGATE1
5V
10µF s2
V
IN
10V TO 14V
HAT2166H
+
330µF s2
+