3
dc1881af
DEMO MANUAL DC1881A
QUICK START PROCEDURE
Figure 2. Measuring Output Voltage Ripple
Figure 3. Efficiency vs Load Current (V
O
= 12V, CCM)
+
–
V
OUT
GND
C
OUT
LOAD CURRENT (A)
0
EFFICIENCY (%)
100
90
95
85
DC1881 F03
2.5
1.0
2.0
0.5
1.5
V
IN
= 36V
V
IN
= 24V
V
IN
= 12V
V
IN
= 6V
PARTS LIST
ITEM
QTY
REFERENCE
PART DESCRIPTION
MANUFACTURER/PART NUMBER
Required Circuit Components
1
1
CC1
CAP., C0G, 100pF, 50V, 10% 0603
AVX, 06035A101KAT2A
2
1
CC2
CAP., X7R, 0.01μF, 50V, 10% 0603
AVX, 06035C103KAT2A
3
1
CSS
CAP., X7R, 0.1μF, 50V, 10% 0603
AVX, 06035C104KAT2A
4
1
C15
CAP., X7R, 1μF, 50V, 10% 0805
AVX, 08055C105K
5
2
C7, C8
CAP., X7R, 0.1μF, 50V, 10% 0603
AVX, 06035C104K
6
1
CF
CAP., X7R, 22pF, 50V, 10% 0603
AVX, 06035C220K
7
1
C11
CAP., NPO, 68pF, 50V, 10% 0603
AVX, 06035A680KAT2A
8
1
C10
CAP., X5R, 2.2μF, 16V, 10% 0603
TDK, C1608X5R1C225K
9
1
C24
CAP., X5R, 1μF, 16V, 10% 0603
AVX, 0603YD105KAT2A
10
4
C16, C17, C19, C20
CAP., X7R, 22μF, 16V, 20% 1210
AVX, 1210YC226MAT2A
11
2
C4, C22
CAP., X7R, 0.22μF, 16V, 20% 0603
AVX, 0603YC224MAT2A