Point-of-load converters

23 September 2015 Power Electronics / Power Management

Murata has made three additions to its Okami OKR series of single output, non-isolated point of load (PoL) DC-DC converters. Constructed in a space efficient single in-line package (SIP) format, these devices use the latest synchronous buck technology to deliver outstanding thermal performance, high power density, and efficiencies as high as 95%. The new models add 20 A, 30 A and 50 A devices to the existing 1,5 A, 3 A, 6 A and 10 A range.

The 20 A model, OKR-T/20-W12-C, measures just 15,5 x 36,8 x 11,2 mm and accommodates a wide 6 – 13,8 V input and a programmable output in the range 0,591 to 5 V and efficiency up to 94%. The 30 A, OKR-T/30-W12-C model offers a 5,5 to 13,8 V input and a 0,591 to 6 V output with efficiency up to 95%. The 50 A OKR-T/50-W12-C converter has an input voltage range of 6,5 – 13,8 V, an output in the range 0,591 to 2,5 V and measures 27,9 x 36,8 x 15,5 mm.

The OKR series includes a number of safety protection features such as over-temperature, over-current and under-voltage lockout (UVLO). They also feature on/off and remote sense capabilities. Typical applications include powering CPUs, ASICs, FPGAs, DDR3 and DDR4, as well as use in other distributed bus architectures.

For more information contact Yolandi de Beer, Avnet South Africa, +27 (0)11 319 8600, [email protected], www.avnet.co.za

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