ACT43850-101T

Overview

The ACT43850-101T is an RF load point (RFPoL) step-down DC-DC power converter manufactured by Qorvo. Designed for phased array radar systems, it accepts input from the ACT43950 high-voltage constant current capacitor charging controller and provides a stable output voltage optimized for Qorvo GaN power amplifiers. The device features advanced configuration options to minimize noise and electromagnetic interference, ensuring high-performance operation in demanding RF environments.

Feature Summary

• Provides stable voltage output optimized for Qorvo GaN power amplifiers
• Minimizes noise and electromagnetic interference through advanced configuration options
• Functions as an RF load point regulator within a multi-stage power chain

Applications

• Phased array radar systems
• RF front-end modules requiring low-noise power regulation
• GaN power amplifier biasing and supply chains

Procurement Notes

Verify the specific suffix '101T' against official Qorvo documentation to confirm exact pinout, thermal characteristics, and package type. Ensure compatibility with the upstream ACT43950 controller in your design. Cross-reference the datasheet for operating temperature ranges and electrical limits before integration.

Selection Notes

Select this component when designing radar or RF infrastructure that utilizes Qorvo GaN power amplifiers. It is intended to follow the ACT43950 in the power sequence. Evaluate its noise performance and dynamic response capabilities against system requirements for signal purity and efficiency optimization in high-frequency applications.

Part Context

This part belongs to Qorvo's specialized power management IC family targeting RF applications. It complements the ACT43950 and ACT43750 to form a complete three-chip solution for controlling and powering RF GaN power amplifiers, simplifying system manufacturing and reducing component count in complex radar arrays.

Replacement Considerations

No public confirmed substitute part numbers are available. This component is part of a specific integrated solution; verify if alternative PMICs can replicate the specific interface and noise profile required for the GaN PA application.