10
dc607afa
DEMO MANUAL DC607A
Figure 8. Schematic without Optional Components
schematic Diagram
LINEAR TECHNOLOGY CORPORATION CONFIDENTIAL THIS CIRCUIT IS DISTRIBUTED TO CUSTOMERS ONLY FOR USE WITH LTC PARTS.
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
CUSTOMER NOTICE
+Vin
-Vin
36-72Vin
0.47uF, 100V TDK C3225X7R2A474K (1210) 0.82uF, 100V Vishay VJ1812Y824KXBAT (1812) 180uF, 16V Panasonic 16TSS C14 AVX TPSE686M020R0150 C30 MuRata DE2E3KH222MB3B D21,D22,D25 MURS120T3 D23,D24,D12,D14 BAS21 D26 3.3V MMBZ5226B D28 BAT54 D16 10V MMBZ5240B D20 5.1V MMBZ5231B L1 PA1294.910 L2 Pulse PA0651 L4 Coilcraft DO1608C-105 L5 Sumida CDEP105-1R3MC-50 Q7,Q9,Q25,Q26 Diodes Inc FMMT619 Q10,Q16,Q17,Q18 Diodes Inc FMMT718 T1,T4 Pulse PA0526 T5 Pulse PA0297
+Vout
-Vout
12V/35A
08NS5
ISNS
12V
C
VIN
12V
-VOUT
5VREF
+VOUT
+VOUT
A
5VREF
-VOUT
ISNS
+VOUT
+VOUT
+VOUT
-VOUT
D
B
VLOW
A
B
12V
D
VHIGH
12V
B
C
-VOUT
+VOUT
12V
VIN
5VREF
C
12V
VHIGH
VLOW
0.047uF
C21
9.09K
R89
220pF
C49
470
1/4W
R37
2xBSC072N08NS5
Q8,Q29
T1 5:5(105uH):1:1
4
11
2
7
10
8
0.47uF
C26
2xBSC072N
Q3,Q27
D22
+
C14 68uF
20V
D20
5.1V
4.99k
R32
3.16K
R90
MOC207
ISO1
1
2
6
5
D14
330
R38
4.87K
1/4W
R85
0.020
2W
R49
D23
D21
1uF
C47
1.0uF
C31
750
R43
1K
R91
MMBT3904
Q34
D24
+
C13,C36 2x180uF
16V
0.1uF
C59
20K
1/4W
R30
0.82uF
100V
C2
9.09K
R86
LTC3901EGN
U1
PVCC
1
CSE
+
6
VC
C
16
MF
14
CSF
+
11
GND
2
10
CSF
-
12
PG
ND
4
ME
2
PG
ND2
13
CSE
-
5
MF2
15
GN
D
8
ME2
3
SYNC
9
TIM
ER
7
LTC3722EGN-1
U2
SYN
C
1
VR
EF
14
CT
24
OU
TC
19
DPR
G
2
FB
6
AD
LY
11
GN
D
23
RLE
B
5
COMP
4
OU
TD
17
OU
TB
20
OU
TA
21
OU
TE
16
OU
TF
15
CS
3
PD
LY
9
VIN
18
SBUS
10
SS
7
NC
8
UVLO
12
PG
ND
22
SPR
G
13
8.25K
R71
D28
LT1431CS8
U3
COLL
1
COMP
2
V+
3
GND-S
5
GND-F
6
REF
8
RTO
P
4
RMID
7
4xBSC072N08NS5
Q14,Q15,Q24,Q33
22
R53
20.0K
R56
Q7
100
R93
C30 2.2nF
250V
80.6K
R55
220pF
C41
D16
10V
182K
R18
22pF
C43
C1 0.82uF
100V
39.2K
R92
9.53K
R42
Q25
0.47uF
100V
C44
Q17
1M
R15
2x3.9K,0.25W=2k
R2,R5
220pF
C32
MMBT3904
Q35
10K
R41
Q10
68nF
C29
2x100,1W=50
R72,R73
180pF
C28
0.22uF
C34
1uF
C48
30.1K
R22
0.1uF
C58
200K
R95
Q9
2xBSC072N08NS5
Q11,Q30
2.49K
R46
4xBSC072N08NS5
Q12,Q13,Q23,Q32
L5 1.3uH
2xBSC072N08NS5
Q4,Q28
D25
150
R39
18.2K
R66
80.6K
R54
D12
1.0uF
C24
4.87K
1/4W
R88
0.22uF
C35
100
R94
18.2K
R65
L4
1.0mH
2.7K
R40
T4 5:5(105uH):1:1
1
4
11
2
6
7
10
8
LTC4440-EMS8E
U6
VC
C
3
GN
D
2
IN
1
TS
8
TG
7
BOOST
6
GN
D
4
5x240,0.25W=48
R1,R4,R6,R8,R10
T5 1(1.5mH):0.5
8
1
5
4
LTC4440-EMS8E
U5
VC
C
3
GN
D
2
IN
1
TS
8
TG
7
BOOST
6
GN
D
4
Q16
L2
150nH
2x100,
1W=50
R74,R75
0.020
2W
R48
0.47uF
100V
C45
L1
0.85uH
4.99k
R33
D26
3.3V
4x0.82uF
100V
C3,C4,C5,C46
5.1K
R44
330pF
C27
0.1uF
C16
Q26
3.16K
R87
C7 470pF
200V
22nF
C23
1K
R3
100
R84
Q18
10K
R58
330pF
C50
22pF
C42
2.2nF
C40
33K
R47
