The 48 V power supply for servers is getting popular in order to reduce power consumption of data centers. This DC-DC converter can convert the 48 V bus voltage to 1.2 V/100 A for several devices on a server efficiently. Design files and guides for circuit design and operation are available as reference design.
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Input voltage | DC 40 V to 59.5 V |
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Output voltage | DC 1.2 V |
Output power | 120 W |
Circuit topology | Double Step-Down DC-DC Converter (Non-Isolated Sychronous Buck DC-DC + Non-Isolated Sychronous Buck DC-DC) |
Materials for designers, such as an overview of circuit operation and explanations of design considerations. Please click on each tab to view the contents.
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Part Number | Device Category | Portion Usage | Description |
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Power MOSFET (N-ch single 60V<VDSS≤150V) | First stage high-side・2 | N-ch MOSFET, 100 V, 0.0136 Ω@10V, SOP Advance, U-MOSⅧ-H | |
Power MOSFET (N-ch single 60V<VDSS≤150V) | First stage low-side・2 | N-ch MOSFET, 100 V, 0.0056 Ω@10V, SOP Advance, U-MOSⅨ-H | |
Power MOSFET (N-ch single VDSS≤30V) | Second stage high-side・5 | N-ch MOSFET, 30 V, 0.0089 Ω@10V, SOP Advance, U-MOSⅧ-H | |
Power MOSFET (N-ch single VDSS≤30V) | Second stage low-side・5 | N-ch MOSFET, 30 V, 0.00092 Ω@10V, SOP Advance(N), U-MOSⅨ-H |
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