




|
Parameter 参数 |
L11 (nH) L11 (nH) |
L12 (nH) L12 (nH) |
Lk1 (nH) Lk1 (nH) |
k k |
|
Without copper 无铜层 |
45.10 45.10 |
35.09 35.09 |
10.01 10.01 |
0.778 0.778 |
|
With top copper 有上铜层 |
40.13 40.13 |
34.00 34.00 |
6.12 6.12 |
0.847 0.847 |
|
With bottom copper 有下铜层 |
43.02 43.02 |
35.36 35.36 |
7.66 7.66 |
0.822 0.822 |
|
With both coppers 上下铜层均有 |
37.11 37.11 |
34.41 34.41 |
2.70 2.70 |
0.922 0.922 |

|
Parameter 参数 |
With Entire Copper 使用完整铜板 |
Grooved Copper = 27% Core Width 凹槽铜板 = 27%磁芯宽度 |
Grooved Copper = 67% Core Width 凹槽铜板 = 67%磁芯宽度 |
|
L11 (nH) L11 (nH) |
37.11 37.11 |
38.57 38.57 |
40.27 40.27 |
|
L12 (nH) L12 (nH) |
34.41 (base) 34.41(基准值) |
35.84 (1.46 ↑) 35.84 (1.46 ↑) |
37.52 (3.16 ↑) 37.52 (3.16 ↑) |
|
Lk1 (nH) Lk1 (nH) |
2.70 2.70 |
2.73 2.73 |
2.75 2.75 |
|
k k |
0.922 0.922 |
0.929 0.929 |
0.932 0.932 |

|
Parameter 参数 |
With Entire Copper 使用完整铜板 |
Grooved Copper = 127% Winding Width 凹槽铜板 = 127%绕组宽度 |
Grooved Copper = 193% Winding Width 凹槽铜板 = 193%绕组宽度 |
|
L11 (nH) L11 (nH) |
37.11 37.11 |
38.51 38.51 |
39.54 39.54 |
|
L12 (nH) L12 (nH) |
34.41 34.41 |
34.42 34.42 |
34.51 34.51 |
|
Lk1 (nH) Lk1 (nH) |
2.70 (base) 2.70(基准值) |
4.09 (1.39 ↑) 4.09 (1.39 ↑) |
5.03 (2.33 ↑) 5.03 (2.33 ↑) |
|
k k |
0.922 0.922 |
0.909 0.909 |
0.897 0.897 |
|
Ig (mm) Ig (mm) |
L11 (nH) L11 (nH) |
L12 (nH) L12 (nH) |
Lk1 (nH) Lk1 (nH) |
k k |
|
0.15 0.15 |
50.92 50.92 |
48.21 48.21 |
2.71 2.71 |
0.947 0.947 |
|
0.25 0.25 |
37.11 37.11 |
34.41 34.41 |
2.70 2.70 |
0.927 0.927 |





|
Case 情形 |
Peddy in Copper (mW) 铜中的Peddy (mW) |
|
Base case 基准情形 |
467 467 |
|
Method 1: Reduce core air gap by 40% 方法1:磁芯气隙缩短40% |
373.5 (20% ↓) 373.5 (20% ↓) |
|
Method 2: Remove bottom sublayer in top substrate 方法2:去除上衬底中的底部子层 |
417 (11% ↓) 417 (11% ↓) |
|
Method 3: Increase switching frequency by 1.5 times 方法3:开关频率提高1.5倍 |
248 (47% ↓) 248 (47% ↓) |
|
Method 1 + Method 2 方法1 + 方法2 |
197 (58% ↓) 197 (58% ↓) |
|
Method 1 + Method 2 + Method 3 方法1 + 方法2 + 方法3 |
176 (58% ↓) 176 (58% ↓) |


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