The RH1011H requires a careful PCB layout to minimize noise and ensure proper operation. A recommended layout is to keep the input and output traces separate, use a solid ground plane, and place the input and output capacitors close to the device. Additionally, it's recommended to use a low-ESR capacitor for the output filter.
The choice of input and output capacitors depends on the specific application requirements. For the input capacitor, a low-ESR ceramic capacitor with a value between 1uF to 10uF is recommended. For the output capacitor, a low-ESR ceramic or film capacitor with a value between 1uF to 22uF is recommended. The capacitor values should be chosen based on the desired output ripple and noise performance.
The RH1011H is rated for operation from -40°C to +125°C ambient temperature range. However, the device's performance and reliability may be affected at extreme temperatures. It's recommended to derate the device's performance and ensure proper thermal management in high-temperature applications.
Yes, the RH1011H is suitable for high-reliability and aerospace applications. Linear Technology (now part of Analog Devices) has a dedicated aerospace product line, and the RH1011H is available in a radiation-hardened version (RH1011H-SP) that meets the requirements of NASA's APPEP (Application of Plastic Encapsulated Microcircuits in NASA Spaceflight Applications) guidelines.
To ensure the RH1011H's output voltage accuracy and stability, it's recommended to use a high-precision voltage reference, such as the Linear Technology LT1236, and to follow proper PCB layout and design practices. Additionally, the output voltage can be trimmed using the device's VTRIM pin, and the output voltage accuracy can be improved by using a feedback resistor network.
RH1011H datasheet
by Linear Technology
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