Envelope Tracking Applications

Envelope Tracking

Envelope Tracking Applications

Envelope Tracking is a power supply technique for improving the energy efficiency of Radio Frequency Power Amplifiers by tracking the power demand as opposed to today’s fixed power systems.

With switching transition speeds in the sub nano-second range, Gallium nitride power transistors are being seen as an enabling technology for both ET converters and wide bandwidth RF Power Amplifier designs. The ultra fast switching capabilities of eGaN® FETs enable the high frequency multi-phase buck converters used in Envelope Tracking.

Application Brief – eGaN FETs for Envelope Tracking

eGaN FETs for Envelope Tracking

eGaN FET-Based Envelope Tracking Reference Material

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Reference Designs for Envelope Tracking

  Part Number Description VIN VOUT lOUT
(A)		 Featured Product  
EPC9130 Demonstration Board
 TIDA-01634 Multi-MHz GaN Power Stage Reference Design for High-Speed DC/DC Converters 0 - 60 10 EPC8009 Buy Now

Recommended Devices for Envelope Tracking Designs

Part
Number 		Configuration VDS Max
RDS(ON)
(mΩ)
(VGS = 5 V) 		QG
typ
(nC) 		QGS
typ
(nC) 		QGD
typ
(nC) 		QOSS
typ
(nC) 		Max. Peak Pulsed ID(A)
(25°C, Tpulse = 300µs) 		Package
(mm) 		Half-Bridge
Development
Boards
EPC2055 Single 40 3.6 6.6 2.3 0.7 13 161 LGA 2.5 x 1.5 EPC90132
EPC2014C Single 40 16 2 0.70 0.30 4 60 LGA 1.7 x 1.1 EPC9005C
EPC8009 Single 65 130 0.37 0.120 0.055 0.94 7.5 LGA 2.1 x 0.85 EPC9067
EPC8002 Single 65 480 0.133 0.057 0.015 0.334 2 LGA 2.1 x 0.85 EPC9022
EPC8010 Single 100 160 0.36 0.130 0.060 2.2 7.5 LGA 2.1 x 0.85 EPC9068

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