BLF8G22LS-205VU

Overview

The BLF8G22LS-205VU is a 205 W LDMOS power transistor designed for base station applications in the 2100 MHz to 2200 MHz frequency range. It features improved video bandwidth and low memory effects, making it suitable for complex modulation schemes like 3GPP test model 1 with 64 DPCH at a PAR of 7.2 dB. The device operates with a drain-source voltage of 28 V and quiescent current of 1200 mA, delivering typical power gain of 18.3 dB and drain efficiency of 32.5% at 50.1 W output. It includes integrated ESD protection and is internally matched for ease of use.

Feature Summary

• Excellent ruggedness capable of withstanding high VSWR mismatches
• Low thermal resistance providing excellent thermal stability
• Designed for broadband operation with lower output capacitance
• Internally matched for ease of integration

Applications

• RF power amplifiers for base stations
• Multi-carrier applications in the 2100 MHz to 2200 MHz frequency range
• Doherty amplifier configurations

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct package and compliance specifications. Confirm that the component meets all relevant RoHS directives before procurement. Cross-reference the part number with the latest datasheet revision history to ensure compatibility with current design requirements and manufacturing standards.

Selection Notes

Select this component for designs requiring high power output and improved video bandwidth in the 2100 MHz to 2200 MHz band. Ensure the application circuit supports the specified 28 V drain-source voltage and appropriate quiescent current settings. Consider the SOT1239B earless flanged ceramic package for thermal management and mounting constraints in base station environments.

Part Context

This component belongs to the BLF8G22LS series of LDMOS power transistors from Ampleon. It is specifically engineered for broadband RF power amplification in cellular infrastructure. The device represents an evolution in LDMOS technology, focusing on enhanced linearity and efficiency for modern multi-carrier communication protocols.

Replacement Considerations

Consult the official Ampleon replacement guide or contact technical support for verified substitute part numbers. Do not assume cross-compatibility with other LDMOS families without verifying pinout, electrical characteristics, and thermal performance against the original specification.

FAQ

What is the typical video bandwidth of the BLF8G22LS-205V?

The device shows a typical video bandwidth of 110 MHz in a class-AB test circuit at 2140 MHz.

Is the BLF8G22LS-205V suitable for Doherty amplifier applications?

Yes, it is designed with lower output capacitance to improve performance in Doherty applications and can withstand VSWR up to 10:1.

What package type does the BLF8G22LS-205V use?

It uses an earless flanged LDMOST ceramic package, identified as SOT1239B.