LM3543MX-H/NOPB

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The LM3543MX-H/NOPB is a power management integrated circuit (PMIC) that is used for power distribution, switches and load drivers. It is ideal for industrial, automotive and consumer applications such as mobile phones, tablets and other small electronic devices.

The LM3543MX-H/NOPB is a dual N-channel, low-side power MOSFET designed to supply up to 1A of continuous current and operates over an input supply range of 2.7V to 5.5V. It has an internal charge pump and a slew rate of 0.5A/µs. Additionally, it has three integrated protection and fault-reporting functions: under-voltage lockout (UVLO), over-current protection (OCP), and short-circuit protection (SCP).

The switch is designed to minimize power switching losses and keep power distribution efficient. It has a wide triggering range of 0.1V to 2.35V for the high side, 0.4V to 1.8V for the low side and a built-in delay line with a variable frequency range of 400kHz to 750kHz. The power switch provides fast switching rates, low on-state and switching losses and low input capacitance which helps prevent turn-on surge currents.

The load driver output is designed to handle higher supply voltages, while the reverse boost voltage can be configured up to 30V. It also provides keep-alive functionality, allowing the load to remain powered in the event of an over-current fault condition. Additionally, the driver features rich diagnostic features, including open-drain flag signals for all over-current, UVLO and SC warnings.

The LM3543MX-H/NOPB is an ideal solution for power management applications. It is capable of providing reliable, efficient and fast power distribution and switching in a wide variety of applications. Its advanced protection, fault reporting, and diagnostic features make it perfect for safety-critical applications. With its wide input voltage range and high output current, the LM3543MX-H/NOPB is the ideal choice for automotive, industrial, and consumer applications.

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