Linear Technology DC1881A, Demo Manual, Page: 3 / 6

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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