Murata adopts Powervation’s Digital Control Architecture in PoL DC-DC
The DOSA compatible OKLF 25A PoL has been designed to address the industry’s growing requirement for low voltages (1.25V and less), increased current and power densities, fast transient response times and the need for a tightly regulated DC output voltage. The first device in this new series is the OKLF-T/25-W12N-C. This PoL converter has been developed around a multi-processor System-on-Chip (SoC), digital power management IC from Powervation. Proprietary algorithms have been developed to optimise the performance; the converter delivers a maximum of 25A at 1.2VDC out, when operating up to +70C with a 200 LFM airflow. This model has been designed to operate over a wide input voltage range of 6.5 to 14 VDC. The OKLF 25A PoL power converter meets the needs of power system engineers who require output stability under all operating conditions, industry leading efficiency, and a pin-programmable output voltage. Vout can be set in the range 0.69V to 3.63V using a single external resistor.
The OKLF series has an ultra-fast dynamic load response feature that automatically compensates for various external conditions including capacitive loading, current steps, temperature, input voltage, and Vout setting.
The use of Powervation’s synchronous buck controller IC ensures leading performance in the 25A class of PoL converters. The design incorporates Murata Power Solutions’ proprietary thermal management techniques, custom magnetics, and several circuit protection features.
Murata Europe; www.murata.eu
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