LM5104SDX/NOPB

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PMICs (Power Management Integrated Circuits) are found in many consumer electronics, smartphones, tablets, and laptops. In fact, they can be found in virtually all devices that require power. Gate drivers are one type of PMICs, which are used to control the function of transistors. This makes them important components in switching power converters. One such gate driver is the LM5104SDX/NOPB, which is available in a small, 8-lead TSSOP (Thermal-Small-Outline-Package), making it ideal for space-sensitive applications.

The LM5104SDX/NOPB is a gate driver designed to operate efficiently in a variety of applications, including dc-to-dc converters and resonant converters, among others. It is optimized for driving high-side power MOSFETs up to 100V in applications with up to 30V operating voltage. The device’s integrated charge pump helps to reduce the size of the design compared to discrete implementations.

The LM5104SDX/NOPB features an integrated dual-back-control logic feature, which allows designers to connect multiple devices in a cascaded configuration to reduce current losses. This feature is especially useful during the startup of the circuit, when the power is initially applied. Additionally, the device’s integrated under-voltage lockout feature adds safety in case of unexpected low-voltage conditions. It also has built-in over-current protection.

The LM5104SDX/NOPB features a range of features that make it useful for various applications. First, its integrated gate drive circuitry is designed to reduce shoot-through current, which saves power and improves efficiency. Second, its integrated logic comparator provides adjustable gate drive switching time up to 200ns. This is especially beneficial in applications where a fast switching time is essential to ensure the correct operation of the circuit.

In addition to its integrated features, the LM5104SDX/NOPB also offers auto-restart and thermal shutdown protection, which help to prevent damaging over-current, over-voltage, and over-temperature conditions. It has a power-down feature that allows the device to quickly and safely shut down in the event of a fault condition. This protects the device and the circuit, while also helping to conserve power.

The LM5104SDX/NOPB is a versatile, cost-effective gate driver that provides designers with the features and performance they need. Its high-side driver capability makes it suitable for driving MOSFETs in various dc-to-dc converters and resonant converters, as well as a wide range of other switching power converters. Its integrated features, such as its dual-back-control logic, under-voltage lockout, and over-current protection, make it reliable and easy to use. This makes it an ideal solution for a variety of applications, from consumer electronics to industrial applications.

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