LM2852YMXA-1.3/NOPB

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The LM2852YMXA-1.3/NOPB is a synchronous step-down voltage regulator that operates from an input voltage range of 3.0V to 6.0V and provides adjustable output voltages as low as 0.8V. It uses an advanced Gate Driver core architecture to drive two external N-channel power MOSFETs. It features two levels of current limit, peak current mode control for fast transient response, and enable/disable. The converter is capable of delivering up to 3.0A output current. It utilizes a wide, 4:1 operating range of 300kHz to 2.2MHz with an integrated oscillator and a digital soft-start to limit inrush current.

This regulator is designed to meet the stringent needs of next-generation portable applications, including digital camera and multimedia, SoC integration with mobile phones, PDAs, handheld and other mobile devices. Its high conversion accuracy (-2.5% typical output voltage) and high efficiency make it the preferred choice for cost-sensitive and space-limited designs.

The LM 2852YMXA-1.3/NOPB comes in a 10-pin, WSON-10 and offers a wide range of features, including a built-in thermal shutdown mechanism, adjustable current limit, and output power dissipation protection. The integrated voltage regulator’s peak current mode control provides excellent performance with fast load-transient response and improved output voltage tracking performance. The integrated synchronous PWM allows for the highest efficiency possible under different load conditions.

The LM2852YMXA-1.3/NOPB application field and working principle can be best understood by breaking down how it functions and the embedded features that make it suitable for various usage. The current limit feature limits the ground pin current by either current mode peak value or by the short circuit current that is reported by the current sense resistor (RSENSE). The output voltage can be adjusted by an external resistor divider, or it can be used to program the switching frequency. The output of the regulator is capable of delivering up to 3.0A of output current, with peak current mode synchronous control. It also features a frequency jittering option which can be used to reduce EMI emissions. It also features cycle-by-cycle over-current protection, soft-start, and thermal shutdown.

The LM2852YMXA-1.3/NOPB Voltage Regulator is ideal for applications requiring high efficiency, low output noise, and low thermal dissipation, such as MP3 players, digital cameras, mobile phones and PDAs. Its low quiescent current and low dropout enables sub-systems with very low power consumption, making it an optimal solution for battery powered devices. It is also suitable for LED lighting applications due to the programmable frequency and the ability to maintain a low ripple. Finally, its low output tolerance of -2.5% maximum and minimum guarantee a precise voltage delivery even under temperature and line variations.

In conclusion, the LM2852YMXA-1.3/NOPB is a highly efficient and cost-effective synchronous step-down voltage regulator that can be used in a wide range of applications. Its compact size, low current consumption, adjustable voltage output and current limit, output power dissipation protection, thermal shutdown, and wide operating frequency make it a great solution for portable electronic projects.

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