Description:The ISL70023SEH and ISL73023SEH are 100V N-channel enhancement mode GaN power transistors. These GaN FETs have been characterized for destructive Single Event Effects (SEE) and tested for Total Ionizing Dose (TID) radiation. Applications for these devices include commercial aerospace, medical, and nuclear power generation. GaN's exceptionally high electron mobility and low temperature coefficient allows for very low rDS(ON), while its lateral device structure and majority carrier diode provide exceptionally
Renesas provides a recommended PCB layout guide in their application note AN1995, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize noise.
The ISL73023SEHML is designed to meet the requirements of NASA's EEE-INST-002 guide for radiation-hardened components. However, additional design considerations such as latch-up protection, single-event upset (SEU) mitigation, and radiation-induced soft errors should be taken into account to ensure reliable operation in high-radiation environments.
While the datasheet specifies an operating temperature range of -55°C to 125°C, it's essential to note that the device's performance and reliability may degrade at extreme temperatures. It's recommended to consult with Renesas' application engineers to determine the optimal operating temperature range for specific use cases.
Renesas provides a troubleshooting guide in their application note AN1965, which includes steps to diagnose and resolve issues related to the internal oscillator, such as frequency drift, jitter, and startup problems.
The datasheet provides general guidelines for power-up and power-down sequences, but it's essential to consult with Renesas' application engineers to determine the optimal sequence for specific use cases, taking into account factors such as voltage ramp rates, power supply sequencing, and reset timing.
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ISL73023SEHML Overview
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