Power Semiconductor – FlexiBK™
Murata Power Semiconductor achieves an innovative power conversion with proprietary virtually loss-less charge pump technology.
It’s unique power architecture enables to use small inductors as well as low voltage FETs for whole power rail to provide system level benefits as shown in the following.
- Ultra-high efficiency with small footprint and low profile
- Low input/output ripple
- Low EMI performance
- High reliablity

The PE241xx series of Ultra-High Efficiency, 2-stage Point-of Load Regulator is based on combination with Murata’s proprietary adiabatic or lossless charge pump technology.
The technology is ideally suited to provide step-down voltage conversion from 2/3cell battery or 12Vin Point-of Load application and dramatically reduce solution size/height while increasing conversion efficiency.
The IC’s are based on integrated charge pump control architecture with integrated FETs to configure 2-stage architecture that consists of charge pump followed by buck regulator.
Murata’s Unique Two-stage Architecture for Step Down conversion
A highly flexible multi-stage architecture comprising a patented “pipeline” stage switched-capacitor network (charge pump) combined with buck stage.

Interleaved Operation for Lower Ripple/EMI and Better Transient Performance

Product Overview
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