LM5118Q1MHX/NOPB

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LM5118Q1MHX/NOPB is a Device from the category of PMIC - Voltage Regulators - DC DC Switching Controllers. It is a high performance half-bridge synchronous buck controller, capable of providing precision dual rail output power with minimal external components.

The main application field of LM5118Q1MHX/NOPB is Automotive power supplies. It includes applications such as DC/DC converter control, battery chargers, and power supplies for electric and hybrid electric vehicles. This device is also very well-suited for industrial power supplies such as telecom rectifiers, server power supplies, in-vehicle chargers, and other applications that require precision and reliability.

The working principle of LM5118Q1MHX/NOPB is based on Charge Mode Control. This controller uses a minimum of external components to generate two separate output rails. A synchronous buck converter is used to generate the first regulator output and an inductive boost converter is used to generate the second. Both controllers share the sameenable pin, ground pins, and voltage sense input pins. The device can operate in Burst Mode® operation or currentmode control to minimize peak current or minimize output ripple.

The LM5118Q1MHX/NOPB features a wide voltage range operation and high operating frequency up to 600 kHz. The PWM logic pins can be programmed for low-power operation and improved efficiency. The device also integrates several protection features to ensure superior system reliability, such as current limit, over-voltage protection, undervoltage lockout, thermal shutdown and selectable soft-start/stop. It is available in an 8-pin TSSOP package (suffix “P”) and a 8-pin SOIC package (suffix “AIU”).

To sum it up, LM5118Q1MHX/NOPB is a powerful, high performance DC-DC synchronous buck swtiching controller with an excellent combination of features suitable for a wide range of applications. The optimized component count and high efficiency makes it an ideal solution for Automotive and Industrial applications.

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