LX7180A-21CLQ-TR

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LX7180A-21CLQ-TR is an ultra-thin, wide-input voltage synchronous step-down DC/DC switching regulator that provides excellent performance in terms of input voltage range, efficiency, switching frequency, power loss, and output voltage accuracy. The device enables system designers to develop ultra-thin applications, such as laptops and mobile phones, with a wide input voltage range (2.2V to 5.5V or 4.5V to 16V).

The LX7180A-21CLQ-TR implements a wide input voltage synchronization buck converter using a Peak Current Mode (PCM) controller. The device has an ultra-thin package that makes is suitable for high-density applications. The LX7180A-21CLQ-TR provides excellent power loss and output voltage accuracy at light load condition. It also offers excellent protection features, such as thermal shutdown and power switch current limit protection.

The device has a wide input voltage synchronous buck architecture, which supports both 4.5V to 16V and 2.2V to 5.5V input voltage ranges. The LX7180A-21CLQ-TR integrates a peak current mode (PCM) controller with a P-Channel MOSFET. It also has an internal compensation circuit and can drive an external MOSFET or NPN bipolar transistor.

The LX7180A-21CLQ-TR features a standard over-voltage protection (OVP) with the flexibility of setting both the upper and the lower OVP trip points. The device can accommodate a wide range of output voltages, from 0.6V to 5.5V with accuracy of 0.5%. The switching frequency can be set up to 1.1MHz with an external resistor. The LX7180A-21CLQ-TR provides current mode control, which allows stable and fast transient response to the output load.

The device also offers excellent protection features, such as thermal shutdown and power switch current limit protection. It has a fast current limit, which enables the device to limit inrush current to prevent fuse blow in systems with long wires. The LX7180A-21CLQ-TR also has a soft-start feature that controls the ramping of the output voltage during start up to reduce the peak inrush current.

LX7180A-21CLQ-TR is ideally suited for powering any TFT LCD or LED displays, as well as for powering any other applications requiring step-down conversion, such as artificial Intelligence (AI) processor for mobile devices, IoT nodes, and automotive applications. The device is capable of driving an external MOSFET or NPN bipolar transistor for higher power conversion.

The device requires only a few external components, such as an inductor, two ceramic capacitors, and two small resistors. The LX7180A-21CLQ-TR is compatible with Pb-free, lead-free and ROHS compliant process. It is also compatible with PbSO4 plating process and can be used in re-flow solder process.

In conclusion, the LX7180A-21CLQ-TR can provide a cost-effective and reliable power solution with excellent power loss and output voltage accuracy for a wide variety of general-purpose applications, which includes powering any TFT LCD or LED displays, as well as for powering any other applications requiring step down conversion.

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