Description:40 µA Iq in Light Load Condition; 3.0 A Maximum Output Current in PWM Mode in NCV891334; Internal N−channel Power Switch; VIN Operating Range 3.7 V to 36 V, Withstands Load Dump to 45 V; Logic Level Enable Pin can be Tied to Battery; Fixed Output Voltage of 5.0 V or 3.3 V with ±2% Accuracy; 2 MHz Free−running Switching Frequency; Input and Output Synchronization Pins; NCV Prefix for Automotive Requiring Site and Control Changes; Wettable Flanks DFN (pin edge plating); These Devices are Pb−Free and are RoHS
The recommended PCB layout for optimal thermal performance involves using a minimum of 2oz copper thickness, a solid ground plane, and thermal vias under the device to dissipate heat efficiently. A thermal pad on the bottom of the device should also be connected to the ground plane.
To ensure reliable operation in high-temperature environments, it is essential to follow the recommended operating conditions, provide adequate heat sinking, and use a thermal interface material (TIM) with a high thermal conductivity. Additionally, consider using a device with a higher temperature rating or implementing thermal monitoring and shutdown mechanisms.
The NCV891334MW33R2G has built-in ESD protection, but it is still essential to follow standard ESD handling precautions, such as using an ESD wrist strap, mat, or workstation, and storing the devices in anti-static packaging. Avoid touching the device pins or handling them in a way that could generate static electricity.
The NCV891334MW33R2G is an AEC-Q100 qualified device, making it suitable for automotive applications. However, it is essential to ensure that the device meets the specific requirements of the application, including temperature range, voltage, and current ratings. Additionally, consult with onsemi's automotive support team for specific guidance and documentation.
The recommended soldering conditions for the NCV891334MW33R2G include a peak temperature of 260°C, a soldering time of 10-30 seconds, and a soldering method that follows the IPC J-STD-020 standard. For rework, use a low-temperature soldering iron and a solder wick or desoldering braid to avoid damaging the device.
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NCV891334MW33R2G Overview
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