High Voltage Driver Circuit for High-Power PIN Diode Switches

By Skyworks Solutions, Inc.

 The part number is EN55-D231.This driver reference design operates with the Skyworks series of high-power SPDT PIN diode switches, including SKY12248-478LF and SKY12255-708LF. This driver is designed to provide forward currents up to 200 mA for each diode, and 48 V reverse bias. It is designed for SPDT switches operating with a CW input a power up to 160 W. The driver utilizes fast switching NPN/MOSFET transistors. The driver is designed to utilize a VDD of 5 V and a VBIAS up to +48 V.

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