Half-chip PRM for space-constrained applications
Vicor
PRM48BH480T200A00 regulator
V*I Chip, a subsidiary of Vicor, has launched a half-chip PRM regulator, which is ideal for applications such as server processor and memory, ATE systems and LED drivers.
The PRM48BH480T200A00 is a high-power-density DC-DC solution for medium- to low-power applications with limited space.
In its half-chip package (16.5 x 22.0 x 6.7mm), this converter is 97 per cent efficient at 200W, with the same power density as a 400W full-size PRM.
The PRM48BH480T200A00 operates from 48VDC (38-55V) to generate a regulated, adjustable 5-55V output.
The zero-voltage-switching (ZVS) Buck-Boost topology and high switching frequency (~1MHz) operation enable high efficiency and reduced size to reach a power density of more than 1,300W/in3.
The half-chip PRM can be used as a standalone, non-isolated voltage regulator or combined with V*I Chip's full-chip or half-chip VTM current multipliers for a complete, isolated DC-DC solution direct to the point of load, with very fast transient response and isolation to 2,250VDC.
The half-chip PRM is ideal for applications that require high efficiency, a fast transient response, a low profile and overall design flexibility.
An external control loop and current sensor maintain regulation and enable flexibility in the design of voltage and current compensation loops for precise power delivery.
All V*I chips are compatible with standard pick-and-place and surface-mount assembly processes.
More stories
Vicor expands range of intermediate bus converters
Vicor has expanded its IBC 050 and IBC 048 series of VI Brick intermediate bus converters.
Data sheet: LTC3617 monolithic synchronous buck regulator from Linear Technology download
The LTC3617 from Linear Technology is a high-efficiency monolithic synchronous buck regulator that utilises a current-mode, constant-frequency architecture.
Linear Technology’s LTC4366 offers unlimited voltage protection for electronic systems weblink
The LTC4366 overvoltage protection controller from Linear Technology is said to be suitable for harsh industrial, automotive and avionic applications where systems must remain stable and reliable through severe overvoltage events.
Transceivers from Linear Technology offer protection for RS485/RS422 applications
The LTC2862-2865 from Linear Technology is a range of rugged, high-voltage tolerant RS485/RS422 transceivers designed to provide protection for applications including industrial control, instrumentation networks and automotive electronics.
Data sheet: LTC5584 quadrature demodulator from Linear Technology download
The LTC5584 from Linear Technology is a direct conversion quadrature demodulator optimised for high-linearity receiver applications in the 30MHz to 1.4GHz frequency range.





