7
dc2195bf
DEMO MANUAL DC2195B
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
FOR ASSEMBLY
VERSIONS
*
U1
DC2195B-A
LT8609AEMSE
DC2195B-
B
LT8609EMSE
VOUT
VCC
VCC
R2 18.2k
E6
EN/UV
E5
SYNC
E9
GND
L1
2.2µH
XFL4020-222MEC
+
C1 22µF 63V
R4
1.00M
C6 47µF 10V 1210
E7
TR/SS
C11 1µF 50V 0805
C8 0.01µF
C4 0.22µF
C10 4.7µF 50V 1206
R3
49.9k
E8
PG
C7 1µF
R6 (Opt)
E3
VOUT 5V / 2A
JP1
1
2
3
5
7
4
6
8
E4
GND
L2 0
2010
R1 1.00M
R5 187k
C5
10pF
E1
VEMI
5.5V - 42V
C3 4.7µF 50V 1206
C13 0.1µF 50V
C2 4.7µF 50V 1206
FB1
U1
*
VIN
9
EN/UV
10
SYNC
5
VCC
3
TR/SS
7
RT
4
FB
6
PG
8
SW
2
BST
1
GND
11
C12 0.1µF 50V
C9 4.7µF 16V 0805
E2
GND
E10
VIN
5.5V - 42V
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