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MAX8952 - 2.5A Step-Down Regulator

General Description

The MAX8952 high-efficiency DC-to-DC step-down switching regulator delivers up to 2.5A of output current.

The device operates from a 2.5V to 5.5V input voltage range, supporting commonly-used battery technologies in handsets.

The output voltage is I2C programmable from 0.77V to 1.40V.

Key Features

  • include internal soft-start control circuitry to reduce inrush current, output overvoltage, overcurrent, and overtemperature protection. Features o 2.5A Guaranteed Output Current o I2C Programmable VOUT (770mV to 1.40V in 10mV Steps) o Initial Accuracy ±0.5% at 1.40V Output o ±1.5% Output Accuracy Over Load, Line, and Temperature (DCR ≤ 38.5mΩ) o Power-Save Mode Increases Light Load Efficiency o Fixed 3.25MHz PWM Switching Frequency o Small 1.0µH Inductor o Synchronizes to 13MHz, 19.2MHz, or 26.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-5318; Rev 0; 6/10 www.DataSheet4U.com 2.5A Step-Down Regulator with Differential Remote Sense in 2mm x 2mm WLP General Description The MAX8952 high-efficiency DC-to-DC step-down switching regulator delivers up to 2.5A of output current. The device operates from a 2.5V to 5.5V input voltage range, supporting commonly-used battery technologies in handsets. The output voltage is I2C programmable from 0.77V to 1.40V. Fully differential remote sense ensures precise DC regulation at the load. Total output error is less than ±1.5% over load, line, and temperature. The IC operates at a 3.25MHz fixed frequency. The high operating frequency minimizes the size of external components. The switching frequency of the converter can be synchronized to the master clock of the application.