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Over the past few years, power levels for DC/DC converters were only available from larger size modules. Now they've migrated downward into much smaller packages. Not only are relative footprints becoming smaller, but they're also providing more cost effective power solutions.

Advancements in converter technologies and packaging have resulted in a significant decrease in the  cost per watt, while also optimizing available board space. Given the large selection of brick sizes, the system designer can now choose the right sized module at the right price.

PSUI is pleased to offer these exciting designs through  their  partners at Semiconductor Circuits Inc. an experienced leader in power  design. Semiconductor Circuits Inc engineers robust designs for all market spaces and applications. One of their featured products  is the new 1"x1" 40W DC-DC Converter.

Small Footprint, Cost Effective Power Solution

The CP40 Series is the only 40 Watt, 4:1 input module available on the market today in a 1"x1" form factor. This module is ideal for industrial or distributed power architecture applications and is compliant with the standard 1"×2" pinout and interface standards. It has an ultra wide input voltage range of 18 to 75VDC (9 - 36 Vin versions available) and provides 2250VDC input to output isolation in open frame configuration, 1600VDC in the encapsulated module.

The CP40 4:1 input series is ROHS II Directive 2011/65/EU Compliant, meets UL/EN 60950 requirements and is UL94 V-0 flammability rated. The module complies with all of the typical industry requirements including no load operation, 2X nominal input voltage transient and pre-biased load startup.

Other features include: fixed-frequency operation, auto-restart over-voltage, over-current & over-temperature protections, undervoltage lockout and +/-10% output voltage trim. Remote ON/OFF is standard with positive or negative logic options available. Modules can also be
ordered without enable pin, trim pin or with neither.

The modules feature a standard 1×2 pinout with dimensions of 0.94" L x 0.94" W x 0.35" Max. Height (23.9mm x 23.9mm x 8.9mm.) The encapsulated versions are standard 1" x 1" x 0.4" Tall (25.4mm x 25.4mm x 10.2mm.)

Custom output voltages in the 4:1 input series are available upon request. We also welcome quick-turn modifications and custom configurations to meet our customer's particular requirements.