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    Part Img LP395Z/LFT1 datasheet by Texas Instruments

    • LP395 - Ultra Reliable Power Transistor 3-TO-92
    • Original
    • Yes
    • Yes
    • Active
    • EAR99
    • 8542.39.00.01
    • 8542.39.00.00
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    LP395Z/LFT1 datasheet preview

    LP395Z/LFT1 Frequently Asked Questions (FAQs)

    • A good PCB layout for optimal thermal performance involves placing the LP395Z/LFT1 near a thermal pad or a heat sink, and ensuring good thermal conductivity between the device and the PCB. A 2-layer or 4-layer PCB with a solid ground plane is recommended. Additionally, keeping the thermal pad away from other components and avoiding thermal vias under the device can help reduce thermal resistance.
    • To ensure reliable operation over the full temperature range, it's essential to follow proper PCB design and layout guidelines, use a suitable thermal interface material, and ensure good thermal conductivity between the device and the heat sink or thermal pad. Additionally, selecting components with a suitable temperature rating and ensuring that the system is designed to operate within the recommended operating conditions can help ensure reliable operation.
    • When selecting a heat sink for the LP395Z/LFT1, key considerations include the heat sink's thermal resistance, material, and size. A heat sink with a low thermal resistance (typically < 10°C/W) is recommended. The heat sink material should have high thermal conductivity, such as aluminum or copper. The size of the heat sink should be sufficient to provide adequate cooling, taking into account the device's power dissipation and the system's operating conditions.
    • To handle the high current output of the LP395Z/LFT1, it's essential to use a PCB with a sufficient current-carrying capacity, such as a 2-ounce copper PCB. Additionally, using a suitable wire gauge and ensuring that the PCB traces are wide enough to handle the high current output can help prevent overheating and ensure reliable operation.
    • When selecting a thermal interface material (TIM) for the LP395Z/LFT1, key considerations include the TIM's thermal conductivity, thermal impedance, and operating temperature range. A TIM with high thermal conductivity (typically > 1 W/m-K) and low thermal impedance is recommended. The TIM should also be compatible with the device's operating temperature range and should not degrade over time.
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