Efficiency vs. Heat: Sizing POL Regulators

An OEPL Technical Integration Guide

Point-of-Load (POL) regulators bring power directly to the processor, maximizing efficiency. However, stepping down high currents right on the PCB generates significant concentrated heat.

Power Conversion with MicroPower Direct

MicroPower Direct (MPD) non-isolated POL regulators offer up to 96% efficiency, significantly reducing the thermal footprint compared to traditional linear regulators. Their compact SIP packages save board space while delivering high dynamic response for FPGAs and DSPs.

Thermal Management with Selco Products

Even at 96% efficiency, high-current output means heat. Engineers utilize Selco Products' thermal sensing technologies, such as their ultra-thin NTC thermistors, bonded near the POL regulator. This provides real-time thermal telemetry to the system MCU, dynamically throttling processor load to prevent thermal degradation.

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