7
dc2468af
DEMO MANUAL DC2468A
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
SCHEMATIC DIAGRAM
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
ALL CAPACITORS ARE 0603.
NOTES: UNLESS OTHERWISE SPECIFIED
1.
ALL RESISTORS ARE 0603.
100CE22BS
SYNC
BURST
SPREAD-SPECTRUM
PULSE-SKIPPING
*
*
SEE DEMO MANUAL
R2 17.8K
E9
GND
FB1
74279226101
E11
EN
C2 0.47uF 100V 0805
E2
GND
R6
OPT
C17 4.7uF 100V 1210
C14 0.1uF
0402
100V
JP1
1
2
3
5
7
4
6
8
R8
0
E5
SYNC
E8
PG
C12 0.47uF 100V 0805
J1
C6 100uF 10V 1210
+
C1 22uF 100V
R3 243K
R7 1M
C4 0.1uF 100V
C3 2.2uF
1210
100V
J3
VOUT 5V / 8A
E7
TR/SS
E1
VIN
5.6V - 65V
J4
GND
C16 4.7pF
C18 OPT
C20 1uF 16V
L1
1.0uH
XEL6030-102
C9 10uF 25V
C8 0.1uF
E10
VEMI
C10 2.2uF
1210
100V
E6
CLKOUT
J2
R5 100K
E12
U1 LT8645S
VIN
4
EN
25
SYNC
28
VCC
2
RT
26
FB
32
PG
31
BIAS
1
BST
11
GND1
8
GND2
10
TR/SS
29
GND1
9
GND2
17
VIN
5
VIN
6
VIN
21
VIN
22
VIN
23
GND2
18
GND2
19
GND
30
CLKOUT
27
SW
12
SW
13
SW
14
SW
15
SW
16
NC
3
NC
7
NC
20
NC
24
GND
33
GND
34
GND
35
GND
36
GND
37
GND
38
C19 OPT 1210
E14
BIAS
E13
R1
100K
VIN
