欧创芯基于OC5010设计内置MOS大功率降压恒流方案
2016-09-28 15:48:04
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典型应用图
DEMO Board实物
测试数据
1、 效率和线性调整率
Vi(V) | Ii(A) | Vo(V) | Io(A) | 效率 |
10 | 1.63 | 9.53 | 1.62 | 94.72 |
11 | 1.82 | 9.52 | 1.998 | 95.01 |
12 | 1.65 | 9.53 | 1.967 | 94.67 |
13 | 1.52 | 9.53 | 1.959 | 94.48 |
15 | 1.32 | 9.53 | 1.955 | 94.10 |
24 | 0.84 | 9.54 | 1.962 | 92.84 |
30 | 0.68 | 9.55 | 1.968 | 92.13 |
36 | 0.57 | 9.55 | 1.974 | 91.87 |
Vi(V) | Ii(A) | Vo(V) | Io(A) | 效率 |
10 | 1.43 | 6.68 | 1.952 | 91.18 |
11 | 1.29 | 6.64 | 1.949 | 91.20 |
12 | 1.19 | 6.65 | 1.947 | 90.67 |
15 | 0.95 | 6.61 | 1.948 | 90.36 |
24 | 0.6 | 6.59 | 1.957 | 89.56 |
30 | 0.487 | 6.57 | 1.967 | 88.45 |
36 | 0.41 | 6.55 | 1.974 | 87.60 |
Vi(V) | Ii(A) | Vo(V) | Io(A) | 效率 |
10 | 0.85 | 3.54 | 1.947 | 81.09 |
11 | 0.74 | 3.5 | 1.947 | 83.72 |
12 | 0.68 | 3.47 | 1.947 | 82.80 |
15 | 0.55 | 3.47 | 1.95 | 82.02 |
24 | 0.352 | 3.5 | 1.959 | 81.16 |
30 | 0.298 | 3.57 | 1.963 | 78.39 |
36 | 0.244 | 3.55 | 1.969 | 79.58 |
2、 负载调整率
测试条件:Ta=25℃
Vo(V) | Vi(V) | |||||
12 | 15 | 24 | 30 | 36 | ||
9.5 | Io(A) | 1.967 | 1.955 | 1.962 | 1.968 | 1.974 |
6.6 | 1.947 | 1.948 | 1.957 | 1.967 | 1.974 | |
3.5 | 1.947 | 1.950 | 1.959 | 1.963 | 1.969 |
BOM表
型号:OC5010 | 规格: Vin=DC(12-24)V;Vo=9.5V;Io=2.0A | 设计: | |||
NO. | Part Types | Symbol | De |
Qty. | Unit |
1 | 贴片电阻 | R1 R2 R3 R4 | 0R40±1% 1206 0.25W | 4 | Pcs |
2 | 贴片电阻 | R5 | 0R±5% 0805 0.125W、不调光时短路 | 1 | Pcs |
3 | 贴片电容 | C2 C3 | 1uF±10%/50V/X7R/0805 | 2 | Pcs |
4 | 电解电容 | C1 | 100uF/50V(φ8*12) | 1 | Pcs |
5 | 贴片二极管 | D5 | 60V/5A SS56 SMB | 1 | Pcs |
6 | 电感 | L1 | L=47uH/φ=0.6mm 磁环电感13.7*5.8mm | 1 | Pcs |
7 | IC | U1 | OC5010/ESOP-8 | 1 | Pcs |
联系电话0755-22678529
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