7
dc2458af
DEMO MANUAL DC2458A
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.
SUNCON 63CE22BS
(2MHz)
SYNC
SPREAD SPECTRUM
PULSE SKIPPING
BURST
VOUT
VCC
VCC
E6
EN/UV
R2 18.2k
E5
SYNC
R4
1.00M
+
C1 22µF 63V
L1
2.2µH
XFL4020-222MEC
E9
GND
E7
TR/SS
C6 47µF 10V 1210
C11 1µF 50V 0805
C8 0.01µF
C10 4.7µF 50V 1206
C4 0.22µF
R6 (Opt)
C7 1µF
E8
PG
R3
49.9k
JP1
1
2
3
5
7
4
6
8
E3
VOUT 5V / 1.5A
E4
GND
C5
10pF
R5 187k
R1 1.00M
L2 0
2010
C13 0.1µF 50V
C3 4.7µF 50V 1206
E1
VEMI
5.5V - 42V
FB1
MPZ2012S221AT000
C2 4.7µF 50V 1206
C12 0.1µF 50V
U1 LT8608EMSE
VIN
9
EN/UV
10
SYNC
5
VCC
3
TR/SS
7
RT
4
FB
6
PG
8
SW
2
BST
1
GND
11
E10
VIN
5.5V - 42V
E2
GND
C9 4.7µF 16V 0805
