18. Buck Converter Inductor Selection
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P1172.223NLT
| DigiKey Part No | 553-P1172.223NLTTR-ND |
| Mfr Part No | P1172.223NLT |
| Manufacturer | Pulse Electronics |
FIXED IND 22UH 3.8A 42 MOHM SMD
22 µH Shielded Wirewound Inductor 3.8 A 42mOhm Max Nonstandard
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✅ Inductance: 22µH matches the required 22µH.
✅ Inductance tolerance: ±20% matches the required ±20% or tighter.
✅ Current rating: 3.8A satisfies the requirement of ≥3A.
✅ Saturation current: 3.8A satisfies the requirement of ≥3.5A, providing the needed saturation margin.
✅ DC resistance: 42mΩ max is well below the required ≤120mΩ, supporting lower conduction loss and better efficiency.
✅ Type: Shielded wirewound is explicitly specified by the part data.
✅ Mounting type: Surface Mount matches the requirement.
✅ Operating temperature range: -40°C to 130°C meets and exceeds the required -40°C to +125°C range.
✅ RoHS compliance: ROHS3 Compliant, satisfying the requirement.
All required specifications are satisfied. This component is approved for the 24V to 5V buck converter inductor selection task.
✅ Inductance tolerance: ±20% matches the required ±20% or tighter.
✅ Current rating: 3.8A satisfies the requirement of ≥3A.
✅ Saturation current: 3.8A satisfies the requirement of ≥3.5A, providing the needed saturation margin.
✅ DC resistance: 42mΩ max is well below the required ≤120mΩ, supporting lower conduction loss and better efficiency.
✅ Type: Shielded wirewound is explicitly specified by the part data.
✅ Mounting type: Surface Mount matches the requirement.
✅ Operating temperature range: -40°C to 130°C meets and exceeds the required -40°C to +125°C range.
✅ RoHS compliance: ROHS3 Compliant, satisfying the requirement.
All required specifications are satisfied. This component is approved for the 24V to 5V buck converter inductor selection task.
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