New 24 Vin Wide Input Range DC-DC Converters Launching this Month

New 24 Vin Wide Input Range DC-DC Converters Launching this Month

The new 24 V input series has a wide input range of 10-36 V and are targeted for applications requiring 12 V or 24 V, which are typical for battery systems in vehicles. They can be used in a variety of vehicle applications including lighting, communications, portable test equipment, displays, and control systems. The low-noise ZCS topology greatly reduces the design effort and filtering costs required for power converters to meet agency conducted emissions requirements. The new series offers 16 different output voltages ranging from 3.3 V to 48 V with a maximum power...

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New PFC FlatPAC Launching this Month

New PFC FlatPAC Launching this Month

The new, power dense and flexible PFC FlatPAC uses Vicor’s field-proven VI-HAM and Maxi DC-DC convertersto deliver up to 575 watts of clean, reliable power. The PFC FlatPAC is a single-output power supply available with standard output voltages from 2 to 54 Vdc. It operates from an input of 85-264 Vac, includes active power factor correction (0.99 power factor), and meets EN61000-3-2 harmonic current limits. Internal filtering provides compliance to EN55022-A conducted EMI. It is available in Vicor’s ultra low profile 34.8 mm FlatPAC chassis, in either finned or conduction-cooled (CC) versions. Measuring 126...

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A Guide to Vicor’s Unique Online Power Supply Design and Selector Tools: PowerBench

A Guide to Vicor’s Unique Online Power Supply Design and Selector Tools: PowerBench

Vicor’s PowerBench offers designers the capability to design online a power module or complete power supply to meet their exact requirements. What makes this unique is that these custom products are manufactured on the same manufacturing line, using the same components and manufacturing processes as our standard products. This gives the power supply designer a custom part with the quality, price and delivery assurances they would expect from a standard product. In fact, PowerBench is the umbrella for a suite of packages: in addition to the custom design packages mentioned there are a number...

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New Off-line, High-density V•I Chip™ Bus Converter

Vicor has launched a high-voltage V•I Chip bus converter with a power density of greater than 1000 W/in³ (part number B384F120T30). This BCM™ module is a high-efficiency (>95%), Sine Amplitude Converter™ (SAC) operating from a 360-400 Vdc (384 Vnominal) primary bus to deliver an isolated low voltage secondary. The 12 V (nominal) output can be paralleled for high current outputs or connected in series to create a 48 Vbus, making the converter ideal for use in high performance server and telecom ac-dc SMPS and enabling major power density improvements in the post-PFC dc-dc stage....

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Optimising Processing Real Estate

Optimising Processing Real Estate

The drive to create metadata processing server systems plus the parallel push for increased port density and triple-play (voice/video/internet) traffic handling in telecommunication systems places greater demands on power management architectures. The problem: inefficient power architectures Traditional designs using AC to 12 Vdc Silver Box followed by 12 V to 1.x Vsynch buck have run aground in terms of system power density and efficiency due to a combination of distribution bus losses and fundamental restrictions in topology performance as processor voltages reach sub-volt levels. Higher voltage (48 V or 350/380 V) bus voltages reduce...

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Torpedo Control System

Torpedo Control System

Torpedos are very demanding applications, requiring very reliable and rugged components (including the power supply). Their shape and size also mean that the space left for the power supply element can be very small and the wrong shape to fit a standard box solution! For one Vicor customer, operating in the defense and large systems electronics sectors, in particular in the underwater systems field. One of their most successful applications is a heavy-weight torpedo used as a multipurpose weapon designed to be launched by submarines or surface vessels. The customer required a complete, non-standard...

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Head-down Display Equipment for Harsh Environments

Head-down Display Equipment for Harsh Environments

In recent years aircraft flight and navigational information have migrated from conventional round mechanical dials mounted on the instrument panel, to software-dependent electronic displays, capable of showing many types of information. In particular, a head-down display is a rear projection information system that displays essential flight information, helping the pilots “artificially” see their surroundings and the ground. One Vicor customer specializes in the area of high technology electronic systems, telecommunication accessories and aircraft harnesses, which satisfy the needs of the international defence industry. They are now developing a new head-down display designed to operate...

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