The L6910ATR from STMicroelectronics is a high-performance step-down monolithic power switching regulator delivering up to 0.8 A at output voltages ranging from 0.8 V to VIN. Its wide input voltage range of 2.9 V to 18 V makes it suitable for a variety of applications, from automotive to industrial systems.

Efficiency and Flexibility

This device is designed for high efficiency over a wide range of load conditions, achieved through a combination of pulse-width modulation (PWM) control and an internal synchronous rectifier. The L6910ATR offers a high switching frequency that can be programmed from 250 kHz to 1.5 MHz, allowing the use of small surface-mount inductors and capacitors, which minimizes space and cost on the PCB.

Protection Features

STMicroelectronics has integrated several protection features into the L6910ATR to ensure reliable operation under different conditions. These include overvoltage protection, thermal shutdown, and a current limit to prevent damage from overcurrent conditions. Additionally, the soft-start function minimizes the inrush current at startup, further enhancing the safety and longevity of the device.

Applications

The versatility of the L6910ATR makes it an ideal choice for various applications, such as:

• Automotive systems
• Industrial power systems
• Portable devices
• Networking equipment
• FPGA and DSP power supplies

Key Features

• 0.8 A output current
• Input voltage from 2.9 V to 18 V
• Adjustable output voltage from 0.8 V to VIN
• High switching frequency: programmable from 250 kHz to 1.5 MHz
• Synchronous rectification for high efficiency
• Internal soft-start
• Overvoltage and thermal protection
• Current limit protection
• Available in a VFQFPN 16 package

With its robust feature set and compact design, the L6910ATR is a comprehensive solution for power conversion requirements in a wide array of electronic systems.