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LTC3370 数据表(PDF) 34 Page - Linear Technology |
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LTC3370 数据表(HTML) 34 Page - Linear Technology |
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34 / 44 page ![]() LTC3372 34 Rev. A For more information www.analog.com APPLICATIONS INFORMATION Table 2. Recommended Inductors for 1A Buck Regulators fOSC PART NUMBER L (µH) MAX IDC (A) MAX DCR (mΩ) SIZE IN mm (L × W × H) MANUFACTURER 1MHz XFL4020-472ME 4.7 2.7 57.4 4 × 4 × 2.1 CoilCraft 74408943047 4.7 2.2 52 4.8 × 4.8 × 3.8 Wurth Elektronik 2MHz XFL4020-222ME 2.2 3.7 23.5 4 × 4 × 2.1 CoilCraft DFE252012P-2R2M 2.2 2.2 84 2.5 × 2.0 × 1.2 Toko IHLP1212BZER2R2M-11 2.2 3 46 3 × 3.65 × 2.0 Vishay 3MHz 74438336015 1.5 3.7 39 3 × 3 × 2 Wurth Elektronik DFE252012F-1R5M 1.5 2.7 58 2.5 × 2 ×1.2 Toko Table 3. Recommended Inductors for 2A Buck Regulators fOSC PART NUMBER L (µH) MAX IDC (A) MAX DCR (mΩ) SIZE IN mm (L × W × H) MANUFACTURER 1MHz XEL4020-222ME 2.2 5.5 38.7 4 × 4 × 2.1 CoilCraft 74438356022 2.2 4.7 35 4.1 × 4.1 × 2.1 Wurth Elektronik 2MHz XFL4020-102ME 1 5.4 11.9 4 × 4 × 2.1 CoilCraft IHLP1212BZER1R0M-11 1 4.5 24 3 × 3.65 × 2.0 Vishay SPM4020T-1R0M-LR 1 5.6 28.1 4.1 × 4.4 × 2 TDK 3MHz 744383360068 0.68 4.5 27 3 × 3 × 2 Wurth Elektronik IHLP1212AEERR68M-11 0.68 5.4 22 3 × 3.65 × 1.5 Vishay Table 4. Recommended Inductors for 3A Buck Regulators fOSC PART NUMBER L (µH) MAX IDC (A) MAX DCR (mΩ) SIZE IN mm (L × W × H) MANUFACTURER 1MHz XEL4020-152ME 1.5 7.4 23.6 4 × 4 × 2.1 CoilCraft IHLP2020CZER1R5M11 1.5 7 18.5 5.18 × 5.49 × 3 Vishay 2MHz XEL4020-821ME 0.82 10.2 13 4 × 4 × 2 CoilCraft FDV0530-H-R75M 0.75 9.7 7.6 6.2 × 5.8 × 3 Toko 744383560068 0.68 8.2 9 4.1 × 4.1 × 2.1 Wurth Elektronik 3MHz FDSD0420D-R47M 0.47 6.8 18 4.2 × 4.2 × 2 Toko IHLP1212AEERR47M-11 0.47 6.7 15 3 × 3.65 × 1.5 Vishay Table 5. Recommended Inductors for 4A Buck Regulators fOSC PART NUMBER L (µH) MAX IDC (A) MAX DCR (mΩ) SIZE IN mm (L × W × H) MANUFACTURER 1MHz XEL4020-102ME 1 9 14.6 4 × 4 × 2.1 CoilCraft 744316100 1 11.5 5.225 5.3 × 5.5 × 4.0 Wurth Elektronik 2MHz XEL4020-561ME 0.56 11.3 8.8 4 × 4 × 2.1 CoilCraft FDV0530-H-R56M 0.56 11.1 6.3 6.2 × 5.8 × 3 Toko SPM4020T-R47M-LR 0.47 8.7 11.8 4.1 × 4.4 × 2 TDK 3MHz XEL4014-331ME 0.33 9 12 4 × 4 × 1.4 CoilCraft 744383560033 0.33 9.6 7.2 4.1 × 4.1 × 2.1 Wurth Elektronik Low Voltage Buck Regulators |
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