Description:Built−in Under−Voltage Protection (UVP); LVIC Temperature−Sensing Built−In for Temperature Monitoring; Separated Open−Emitter Pins from Low−Side IGBTs for Three−Phase Current Sensing; Isolation Rating: 2500 Vrms / 1 min.; This Device is Pb−Free and is RoHS Compliant; 1200 V/15 A 3−phase IGBT Inverter with Integral Gate Driver and Protections
The recommended PCB layout for optimal thermal performance involves using a 2-layer or 4-layer board with a solid ground plane, placing thermal vias under the device, and using a thermal pad on the bottom of the package. A minimum of 2 oz copper thickness is recommended. Refer to the onsemi application note AND9093/D for more details.
The input capacitor selection depends on the input voltage, output voltage, and output current. A general guideline is to choose a capacitor with a voltage rating of at least 1.5 times the input voltage, and a capacitance value of 10-22 μF. The capacitor should also have a low ESR (Equivalent Series Resistance) to minimize voltage ripple. Refer to the onsemi application note AND9093/D for more details.
The maximum allowed voltage deviation on the input pin is ±10% of the nominal input voltage. Exceeding this deviation may affect the device's performance, efficiency, or even cause damage.
The NFA31512L72 is rated for operation up to 150°C junction temperature. However, the device's performance and reliability may degrade at high temperatures. It's essential to follow the recommended thermal design guidelines and ensure proper cooling to maintain a safe operating temperature.
To ensure EMC, follow the recommended PCB layout and design guidelines, use a shielded enclosure, and add EMI filters or chokes as necessary. Additionally, ensure that the device is properly decoupled and that the input and output lines are properly terminated. Refer to the onsemi application note AND9093/D for more details.
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NFA31512L72 Overview
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