Description:The 5L1503 is a series of small form factor programmable clock generators intended for low-power, consumer, battery powered applications, wearable and smart devices.The device is a 1 PLL + DCO architecture design with an external fundamental crystal or clock input. The device allows up to 3 unique frequency outputs. The 5L1503 has built-in unique features such as Proactive Power Saving (PPS) and an extreme low power DCO to support system date/time keeping clock at 32.768kHz. Dynamic Frequency Control (DFC)
Renesas provides a recommended PCB layout guide in their application note (APN) document, which includes guidelines for thermal vias, copper pours, and component placement to ensure optimal thermal performance.
To ensure reliable operation in high-temperature environments, it's essential to follow the recommended operating conditions, use a suitable thermal interface material, and implement a robust thermal management system, such as a heat sink or fan.
Using a different input voltage than the recommended 3.3V may affect the device's performance, power consumption, and reliability. It's essential to consult the datasheet and application notes to understand the implications of using a different input voltage and to ensure that the device operates within its specified limits.
To troubleshoot issues with the device's output voltage regulation, check the input voltage, output load, and PCB layout for any anomalies. Also, verify that the device is properly configured and that the output voltage is within the specified range. If the issue persists, consult the datasheet and application notes or contact Renesas support for further assistance.
The 5L1503-000NVGI8 is designed to meet EMI and RFI standards, but it's still essential to follow proper PCB layout and design practices to minimize EMI and RFI emissions. Consult the datasheet and application notes for guidelines on EMI and RFI mitigation techniques.
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5L1503-000NVGI8 Overview
Use the download button to access the 5L1503-000NVGI8 schematic symbol, PCB footprint, and 3D model.
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