CUI VX78-1000R Series DC-DC Converter With Linear Regulator Form Factor

CUI’s VX78-1000R series of compact, encapsulated, non-isolated DC-DC convertors offer a highly efficient alternative to conventional linear regulators (LDOs). These devices exhibit up to 96% typical efficiency and do not require use of a heatsink; the operating temperature is specified at -40 to +85°C. This reduces the required board space for implementing a typical LDO, making CUI’s solution a great fit for energy-efficient, compact end products across many applications.

The VX78-1000R devices come in a 11.5 x 9 x 17.5 mm package that is pin-compatible with TO-220-package LM78XX and LM79XX model regulators. The trade-off with the clean but inefficient performance of LDOs comes in the form of a maximum ripple and noise at 75 mVpp.

This series features a 36 V maximum input voltage (no-load current as low as 0.2 mA) with a maximum output of 1 A at 3-15 V. Some devices in the series are also suitable for negative output applications, but all come with short-circuit protection on the output and 60950 safety standard qualification.

For those who are interested, more detailed specifications can be found in this datasheet.

Thanks to the simplicity of implementation, CUI VX78-1000R series devices are suitable for evaluation using samples. If you have a commercial application where you would like to test these devices, fill out the form below, and ipXchange will put you in touch with either CUI or one of their distributors in order to discuss your project.

If the concept of the VX78-1000R series has you interested though the specifications are not quite correct, CUI produces similar products that may be more suitable for your design, so please consider applying for more information on CUI’s complete range of LDO alternatives. This can be done using the same form below.

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