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L5963 数据表(PDF) 36 Page - STMicroelectronics |
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L5963 数据表(HTML) 36 Page - STMicroelectronics |
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36 / 49 page ![]() Application information L5963 36/49 DocID028553 Rev 3 Choose C1= 82 nF. Using Equation 24: Equation 24 Choose R3 = 330 Ω. Using Equation 25: Equation 25 Choose C3 = 3.9 nF. This is a table to summarize components value for different output voltage cases: Table 8. Components value for different output voltage cases VOUT(V) Fsw (Hz) Lo (μH) Co (μF) R1 (kΩ) R2 (kΩ) R3 (Ω) R4 (kΩ) C1 (pF) C2 (nF) C3 (nF) 5 2M 2.7 4.7 4.99 1.2 220 1.24 33 5.6 0.68 250k 22 2x10 4.99 2.4 390 1.24 82 16 3.9 3.3 2M 2.2 10 4.99 1.5 180 2.15 56 6.2 0.82 250k 15 2x10 4.99 2 470 2.15 100 16 3.3 1.2 2M 1.5 2x10 4.99 1.8 160 24.9 100 5.6 1 250k 6.8 2x10 4.99 1.2 680 24.9 150 16 2.2 |
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