LM2852XMXAX-3.3/NOPB

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Introduction

The LM2852XMXAX-3.3/NOPB is a synchronous buck regulator in the voltage regulators and DC-DC switching regulators family from Texas Instruments. It can provide point of load conversion for space saving in systems where smaller size is desired. As an integrated buck regulator, the LM2852XMXAX-3.3/NOPB device can be used to convert 3.3 V input voltages to lower output voltages down to 0.8 V with a wide power range at high efficiency. The core is designed with advanced techniques to ensure excellent transient performance while still keeping a small size and light weight.

Application Field and Working Principle

The LM2852XMXAX-3.3/NOPB is suitable for a wide variety of power conversion applications including communication, consumer electronics, computing and storage. Its output voltage range of 0.8 V to 3.3 V is ideal for applications that need low-voltage power supplies ranging from FPGAs, DSPs and microprocessors to analog and digital ICs and LEDs.The LM2852XMXAX-3.3/NOPB works on the principle of synchronous buck regulation where an internal switch is used to regulate the input voltage to a desired output voltage. The main advantage of this type of regulation is that it has high efficiency, meaning less power is wasted during the conversion process. The internal switch is driven by a pulse-width modulator that is monitored and adjusted by a feedback loop. The feedback loop is used to maintain accurate output voltage and improve system stability.

Features and Benefits

The LM2852XMXAX-3.3/NOPB offers a wide range of features and benefits. The device is capable of converting an input voltage of up to 5.5V to an output voltage as low as 0.8V and is capable of sustaining a continuous output current of 4A. The device also offers a wide operating temperature range, of -40°C to +85°C and can quickly respond to changing loads to provide robust transient performance. The device offers excellent protection against over current, over voltage, short circuit and thermal overload.The device features spread frequency operation to manage input ripple, provide excellent transient response and meet EMI requirements. It also has integrated power-on reset so that the device is enabled only after a successful startup sequence has been completed. The device also features integrated soft-start to minimize input current during power-on. Lastly, the device features an externally adjustable frequency that can be adjusted up to 1MHz.

Conclusion

The LM2852XMXAX-3.3/NOPB is an ideal solution for providing efficient and cost-effective high-performance point of load power supplies for space-saving designs. The device's integrated regulation and protection circuitry, wide voltage and power range, and excellent transient performance are sure to make it a great choice for a wide variety of power conversion applications.

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