Description:5 V ±2% / 250 mA LDO ♦ Current Limitation with foldback ♦ Output Voltage Monitoring; One High−Speed CAN FD Transceiver ♦ Compliant to ISO11898−2:2016 ♦ CAN FD Timing Specified up to 5 Mbps ♦ Current Limitation, Reverse Current Protected ♦ TxDC Timeout; Local Wake−up Comparator ♦ Integrated Pull−up / Pull−down Current Source; Low Current Quiescent Consumption; Window Watchdog; Direct Control; Thermal Shutdown Protection; Wettable Flank Package for Enhanced Optical Inspection; AEC−Q100 Qualified and PPAP Capa
The recommended PCB layout for optimal thermal performance involves placing thermal vias under the device, using a solid ground plane, and keeping the thermal traces as short and wide as possible. A 4-layer PCB with a dedicated thermal layer is also recommended.
To ensure reliable operation in high-temperature environments, it's essential to follow the recommended thermal design guidelines, use a suitable thermal interface material, and consider derating the device's power dissipation according to the ambient temperature.
Using a different capacitor value for the bootstrap capacitor (CBST) than recommended may affect the device's performance, particularly during startup and high-frequency operation. A smaller capacitor value may lead to reduced noise immunity, while a larger value may increase the startup time.
No, the NCV7451MW0R2G is designed for isolated topologies only. Using it in a non-isolated topology may compromise the device's safety and reliability.
To troubleshoot issues related to the device's overcurrent protection (OCP) feature, check the input voltage, output current, and sense resistor values. Ensure that the sense resistor is correctly connected and that the OCP threshold is set correctly. Also, verify that the device is not overheating or experiencing excessive voltage stress.
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NCV7451MW0R2G Overview
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