60V ZVS buck-boost regulators output 150W
Engineered and optimized as a complete solution, PI3741-0x regulators are intended for demanding, automotive, industrial, test, automation, lighting, battery regulation, and telecom applications.
Conventional, hard-switching buck-boost regulators are handicapped by switching losses and exhibit conversion efficiency degradation when operating from a higher voltage input source with extended dynamic range, Vicor asserts, presetning its ZVS Buck-Boost technology as minimizing switching losses and maintaining high efficiency over the specified input voltage range while enabling high frequency operation for improved power density and fast dynamic response to line and load transients. The PI3741-0x regulators have an operating temperature range of -40°C to 125°C and require only minimal external components to form a complete high performance regulator.
Both PI3741-0x regulators operate over a wide input voltage range of 21 – 60 VDC and integrate a ZVS controller, power switches and support circuitry within a high density, thermally adept, 10 x 14 x 2.5 mm SiP (System-in-Package). The PI3741-00 delivers a user-definable output voltage in the range of 21 – 36 VDC while the PI3741-01 supports a higher output voltage in the range of 36 – 54 VDC.
PI3741-0x regulators also feature: high frequency operation (1MHz); single wire current sharing for parallel operation; over/under-voltage, over-temperature, and over-current protection; integrated current monitoring amplifier; user-configurable high bandwidth differential amplifier; bidirectional synchronization options; and over 150W peak power or up to 6.5A continuous current in a 10 x 14 mm package.
Vicor: www.vicorpower.com
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