LM5576MH/NOPB

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The LM5576MH is a synchronous, high-efficiency, regulator switch mode DC-DC converter that offers a wide range of features for a wide variety of applications. This high-efficiency, low-cost device is ideal for use in cell phones, notebooks, and other portable electronic devices, where low power operation and high efficiency are desired.

The LM5576MH/NOPB applications include DC/DC conversion, power delivery and conversion of standard line voltages, providing a variable output voltage from 1.8V to 5.5V. It is suitable for use in medical and industrial applications such as servo motor drives, motion control systems, and digital energy management systems, as well as in automotive applications.

The LM5576MH/NOPB is an advanced switching regulator. It utilizes an innovative fixed-frequency current-mode architecture that offers fast transient response and exceptional line/load regulation. It combines an internal switching FET, an integrated voltage reference, an error amplifier, and a PWM/PFM controller with protection features. Its features include adjustable output voltage, current-mode control with flexibility for loop compensation, output voltage over-range, output current limit, and over-temperature protection.

The LM5576MH/NOPB includes on-chip compensation, which allows for the user to customize the switching frequency, synchronizer frequency, and loop time-constants with simple external capacitors and resistors. It also includes output short-circuit protection and thermal shutdown. The device operates at 180-kHZ operating frequency, ensuring high efficiency over a wide range of loads with minimal switching losses.

The LM5576MH/NOPB consumes less than 10 µA quiescent current. It uses a simple toggle switch to enable the output overvoltage protection (OVP) function to protect the output form back-driving, overvoltage and over-current conditions. It also provides programmable under-voltage lockout to reduce external components count thus reducing cost.

The LM5576MH/NOPB is the ideal choice for a variety of applications that require reliable, high efficiency and low cost power management. It is a low pin count, low complexity device that operates with high efficiency and low cost. With its integrated features, the LM5576MH/NOPB is a great choice for applications that require an efficient, low cost, reliable and accurate regulator switch.

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