V375A48C600BF - 600W 48V Isolated DC/DC Maxi Module | Vicor
N.º da peça: V375A48C600BF ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $295 | $295,00 |
| 10 | $275 | $2.750,00 |
| 50 | $255 | $12.750,00 |
| 100 | $240 | $24.000,00 |
| 500 | $220 | $110.000,00 |
V375A48C600BF Visão geral
An isolated DC-DC converter is a power-module building block that accepts a DC voltage on the input side, galvanically isolates it via a transformer, and produces one or more DC rails on the output side. The Maxi family sits within Vicor's brick-converter hierarchy (Junior, Mini, Maxi, Micro) and is targeted at 200-400 W+ output levels where PCB-area-per-watt efficiency and thermal performance matter more than a discrete switching regulator. The isolation barrier also breaks ground loops and lets the output reference shift freely relative to the input bus.
Key specifications include ±0.25 % line/load regulation from no load to full load, a wide operating temperature range of -20 °C to +100 °C, and high efficiency typical of Vicor's zero-current-switching (ZCS) topology. The module integrates filtering, soft-start, and overtemperature protection, and its output trim pin (TRIM) lets designers adjust Vout between 4.8 V and 52.8 V without changing the transformer ratio.
Technically, the V375A48C600BF uses a fixed-ratio, high-frequency ZCS forward converter topology that switches at a fixed frequency and uses the inherent resonance of the transformer magnetics to switch at zero current, dramatically reducing switching losses and EMI. This topology enables the wide input range while keeping the magnetics small and the converter efficiency high, which directly shrinks the heatsink requirements.
Typical applications include 380 V industrial bus DC-DC conversion, railway traction auxiliary supplies, high-voltage battery systems in electric vehicles, industrial motor drives, semiconductor test equipment, and military/aerospace power systems where 28 V or 48 V rails are derived from a high-voltage DC bus.
Design consideration: always size the input fuse and bus capacitance per Vicor's Maxi datasheet, and respect the derating curve above 70 °C baseplate temperature. The 'B' grade variant (BF) typically denotes the industrial operating-temperature grade versus the military-grade suffix used elsewhere in the family.
This page synthesizes distributor pricing, parametric same-package drop-in alternatives (BF/BG/BK suffixes), and practical design notes not found in the bare manufacturer datasheet, helping sourcing engineers compare options without swapping the PCB footprint.
Alternativas drop-in para V375A48C600BF — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
V375A48C600BL
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
V375A48C600BG
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
V375A48C600BF2
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
V375A48C600BK
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
V375A48C600BN
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
V375A48C600BF Classificações máximas e características elétricas
| Topologia | Isolated DC-DC converter module (ZCS forward) |
| Family | Vicor Maxi Brick |
| Input Voltage Range (DC) | 250 V to 425 V |
| Nominal Input Voltage | 375 V |
| Input Surge Withstand | 500 V for 100 ms |
| Output Voltage (Nominal) | 48 V |
| Output Voltage Range (Programmable) | 4.8 V to 52.8 V (10-110 %) |
| Corrente máxima de saída | 12.5 A |
| Output Power | 600 W (400 W per digchip listing, 600 W per Vicor/Kynix) |
| Output Power (Vicor datasheet) | 600 W |
| Output Power (distributor listing) | 400 W |
| Isolation Voltage (Input to Output) | 425 V (reinforced) |
| Line/Load Regulation | ±0.25 % no load to full load |
| Temperatura de operação | -20 °C to +100 °C |
| Package Type | Full-size Maxi brick, through-hole (PACKAGE-9) |
| Tipo de montagem | Through Hole |
| Pinout Style | Vicor Maxi standard (input/output/trim/ON-OFF) |
| Output Trim | Yes (programmable 4.8 V to 52.8 V) |
| Status RoHS | Compliant (per Vicor product family) |
Configuração de pinos do V375A48C600BF
| Pino 1 | +IN — Positive input power (250-425 VDC) |
| Pino 2 | -IN — Negative input power return |
| Pino 3 | GATE IN — Gate drive input for paralleling modules |
| Pino 4 | GATE OUT — Gate drive output for paralleling modules |
| Pino 5 | +OUT — Positive output power (48 V nominal) |
| Pino 6 | -OUT — Negative output power return |
| Pino 7 | TRIM — Output voltage trim/program (4.8 V to 52.8 V) |
| Pino 8 | ON/OFF — Module enable (active low/open collector) |
| Pino 9 | BASEPLATE — Mounting/thermal baseplate (chassis ground reference) |
Aplicações típicas
V375A48C600BF é adequado para 6 aplicaçãos: Industrial 380 V DC Bus to 48 V Conversion, Railway Traction Auxiliary Power Supply, High-Voltage Battery Energy Storage System, Semiconductor Test Equipment Power, Industrial Motor Drive DC Link Conversion, Military and Aerospace Power Systems.
Industrial 380 V DC Bus to 48 V Conversion
The V375A48C600BF fits industrial 380 V DC bus applications because its 250 V to 425 V input range matches the rectified output of a typical three-phase 380 VAC PFC front end, while its 500 V input-surge withstand handles inrush and transient overshoots common on long factory power cables. The 425 V reinforced isolation lets the 48 V output float freely, which is critical for breaking ground loops between the high-voltage bus and downstream 48 V logic supplies. Placed at the head of a sub-rack, it delivers 600 W to downstream point-of-load regulators without the need for external filtering beyond Vicor's recommended input bus capacitance. Unlike a discrete forward converter, it arrives agency-pre-certified, shrinking the regulatory approval cycle by weeks.
Recomendado
Railway Traction Auxiliary Power Supply
The V375A48C600BF suits railway traction auxiliary supplies because its 250-425 V input range covers the rectified output of train-borne auxiliary windings and battery-bus combinations, while its 500 V transient withstand meets the surge profile of EN 50155 railway standards. The 425 V isolation barrier separates the 48 V coach-load bus from the high-voltage traction link, and the -20 °C to +100 °C operating range covers unheated coach equipment bays. Designers typically place the brick on a cold-plate heatsink and feed downstream lighting, control, and HVAC inverters from its 48 V output. The integrated soft-start eliminates the inrush current that would otherwise trip upstream railway breakers.
Recomendado
High-Voltage Battery Energy Storage System
The V375A48C600BF is well-suited to high-voltage battery energy storage systems where a 380 V DC battery stack is converted down to a 48 V auxiliary rail for BMS controllers, contactors, and inverter gate drivers. Its 250-425 V input range tracks the battery pack across its full state-of-charge curve, while the programmable 4.8 V to 52.8 V output trims to the exact bus voltage required by downstream inverters. The ZCS topology delivers high efficiency across the battery discharge curve, minimizing thermal load in sealed battery enclosures. Engineers typically combine it with a Vicor PRM front-end to produce a tightly regulated 48 V regardless of battery state of charge.
Recomendado
Semiconductor Test Equipment Power
The V375A48C600BF fits semiconductor ATE power architectures that derive multiple low-voltage rails (48 V, 24 V, 12 V) from a high-voltage DC distribution bus behind the test head. The brick's ±0.25 % no-load-to-full-load regulation holds the 48 V intermediate rail stable as downstream load steps draw bursts of current during wafer test, while the 425 V isolation lets the test-head chassis float relative to the rack ground. The 12.5 A output feeds paralleled downstream Vicor PRM/VTM point-of-load chains for sub-1 V core voltages. The integrated over-temperature protection prevents thermal runaway in the densely packed test-head enclosure.
Recomendado
Industrial Motor Drive DC Link Conversion
The V375A48C600BF is appropriate for industrial motor drive systems where a 380 V rectified AC bus powers the high-voltage motor stage and a separate 48 V rail feeds control electronics, safety circuits, and gate drivers. The brick's wide input range tracks the DC link across full motor speed, while the reinforced isolation prevents catastrophic ground faults from propagating into the 48 V control plane. Placed near the control board, it provides clean 48 V to IGBT gate drivers, encoder interfaces, and STO safety circuits. The Maxi brick form factor fits in the standard 4.6-inch drive control bay alongside contactors and EMC filters.
Recomendado
Military and Aerospace Power Systems
The V375A48C600BF fits military and aerospace power architectures that distribute 270 VDC or 380 VDC from generators and battery buses to 48 V avionics, mission-computer, and communications subsystems. The 425 V reinforced isolation exceeds typical 28 VDC MIL-STD-704 surge profiles, and the -20 °C to +100 °C operating temperature covers unpressurized equipment-bay environments. Engineers typically derate the 600 W output by 60-70 % to extend MTBF in aerospace applications where field replacement is impractical. The Maxi brick's established reliability record in defense programs makes it a low-risk building block for new platform designs.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para V375A48C600BF — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | V375A48C600BL | V375A48C600BG | V375A48C600BF2 | V375A48C600BK |
|---|---|---|---|---|---|
| Brand | Vicor | Vicor | Vicor | Vicor | Vicor |
| Package | Vicor Maxi Brick (Through-Hole) | Vicor Maxi Brick (Through-Hole) - same | Vicor Maxi Brick (Through-Hole) - same | Vicor Maxi Brick (Through-Hole) - same | Vicor Maxi Brick (Through-Hole) - same |
| Input Voltage Range | 250 V to 425 V | 250 V to 425 V | 250 V to 425 V | 250 V to 425 V | 250 V to 425 V |
| Nominal Output Voltage | 48 V | 48 V | 48 V | 48 V | 48 V |
| Output Current | 12.5 A | 12.5 A (higher power class) | 12.5 A | 12.5 A | 12.5 A |
| Output Power | 600 W | 600 W+ (higher class) | 600 W | 600 W | 600 W |
| Output Voltage Range | 4.8 V to 52.8 V | 4.8 V to 52.8 V | 4.8 V to 52.8 V | 4.8 V to 52.8 V | 4.8 V to 52.8 V |
| Isolation Voltage | 425 V | 425 V | 425 V | 425 V | 425 V |
| Suffix Grade | BF (standard industrial) | BL (higher power) | BG (different screening) | BF2 (revision variant) | BK (different temp grade) |
Principais diferenciais
- Standard industrial grade with broad distributor availability (vs V375A48C600BL)
- Datasheet-revision variant with current production (vs V375A48C600BF2)
- Drop-in compatibility with entire Vicor V375A48C600xx family (vs V375A48C600BG)
Notas de projeto
The Maxi brick dissipates roughly 10-15 % of output power as heat at full 600 W load. Attach the baseplate to a cold-plate or aluminum chassis with thermal interface material rated for at least 0.5 °C/W. Above 70 °C baseplate temperature, derate per Vicor's Maxi brick output-power curve; failure to derate can trigger the internal overtemperature shutdown and reduce module MTBF.
Mount the Maxi brick vertically with the baseplate against the heatsink; horizontal mounting reduces natural convection. Provide at least 0.5 inch clearance above and below the module for airflow. Solder the through-hole pins to a PCB rated for the 425 V isolation, with appropriate clearance (typically 4 mm minimum) between input and output sides of the board.
Estimated: at 600 W output with typical 90 % efficiency, internal dissipation is approximately 67 W. Without active cooling, baseplate-to-ambient thermal resistance must stay below 0.75 °C/W to keep the junction below 100 °C. Do not exceed the 500 V input surge rating or operate below -20 °C; both conditions can damage the input bulk capacitor or magnetics.
Add input-side bus capacitance per the Vicor Maxi datasheet (typically 1-4 µF of film or ceramic at the input pins) to damp the reflected ripple current from the ZCS topology. The TRIM pin should connect to a precision resistor divider or a DAC for programmable output; leaving TRIM floating outputs the nominal 48 V. The ON/OFF pin is active-low with internal pull-up - leave open for always-on operation.
Informações de conformidade
RoHS and lead-free compliant per Vicor Maxi brick family datasheet. UL/IEC 60950 and EN 50155 certifications depend on the specific Maxi brick sub-family; verify per Vicor datasheet before railway or medical deployment. AEC-Q100 is not applicable - this is a power module, not an automotive IC.
