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NBM3814B46C15A6T04 Datasheet(PDF) 1 Page - Vicor Corporation |
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NBM3814B46C15A6T04 Datasheet(HTML) 1 Page - Vicor Corporation |
1 / 23 page NBM™ in a VIA Package Rev 1.1 vicorpower.com Page 1 of 23 05/2016 800 927.9474 NBM™ in a VIA Package Bus Converter Non-Isolated, Fixed-Ratio DC-DC Converter NBM3814x46C15A6yzz Features & Benefits • Up to 160A continuous low voltage side current • Fixed transformation ratio(K) of 1/3 • Up to 1258 W/in3 power density • 97.9% peak efficiency • Bidirectional operation capability • Integrated ceramic capacitance filtering • Parallel operation for multi-kW arrays • OV, OC, UV, short circuit and thermal protection • 3814 package • High MTBF • Thermally enhanced VIA™ package Typical Applications • DC Power Distribution • Information and Communication Technology (ICT) Equipment • High End Computing Systems • Automated Test Equipment • Industrial Systems • High Density Energy Systems • Transportation Product Description The NBM in a VIA package is a high efficiency Bus Converter, operating from a 36 to 46VDC high voltage bus to deliver a non- isolated 12 to 15.3VDC unregulated, low voltage. This unique ultra-low profile module incorporates DC-DC conversion, integrated filtering in a chassis or PCB mount form factor. The NBM offers low noise, fast transient response and industry leading efficiency and power density. Leveraging the thermal and density benefits of Vicor’s VIA packaging technology, the NBM module offers flexible thermal management options with very low top and bottom side thermal impedances. When combined with downstream Vicor DC-DC conversion components and regulators, the NBM allows the Power Design Engineer to employ a simple, low-profile design which will differentiate the end system without compromising on cost or performance metrics. The NBM non-isolated topology allows start up and steady state operation in forward and reverse directions. It provides bidirectional protections. However if power train is disabled by any protection, and VLO is present, then voltage equal to VLO minus two diode drops will appear on high voltage side. Size: 3.76 x 1.40 x 0.37 in 95.59 x 35.54 x 9.40 mm Part Ordering Information Product Ratings VHI = 42V (36 – 46V) ILO = up to 160A VLO = 14V (12 – 15.3V) (no load) K = 1/3 [1] High Temperature Current Derating may apply; See Figure 1, specified thermal operating area. Product Function Package Length Package Width Package Type Max High Side Voltage High Side Voltage Range Ratio Max Low Side Voltage Max Low Side Current Product Grade (Case Temperature) Option Field NBM 38 14 x 46 C 15 A6 y zz NBM = Non-Isolated Bus Converter Module Length in Inches x 10 Width in Inches x 10 B = Board VIA V = Chassis VIA Internal Reference C = -20 to 100°C[1] T = -40 to 100°C[1] 00 = Chassis/Always On 04 = Short Pin/Always On 08 = Long Pin/Always On |
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