Texas Instruments Buck-Boost Switching Regulator, 1.8V to 5.5V In, 3.3V 800mA,

The Texas Instruments Buck-Boost Switching Regulator is a highly efficient, fixed-output voltage regulator designed for precise power management in compact electronic designs. It features a buck-boost topology, allowing it to provide a stable 3.3V output from an input voltage that can vary between 1.8V and 5.5V. This makes it an ideal solution for battery-powered applications where the supply voltage may fall below the desired output level.

With a substantial output current capability of 800mA, this regulator can power a wide range of microcontrollers, sensors, and peripheral components. Its high typical switching frequency of 2.4MHz enables the use of smaller external inductors and capacitors, saving valuable board space in space-constrained designs. The component achieves an impressive typical efficiency of 96%, minimising power loss and extending battery life in portable devices.

Housed in a compact VSON-10 surface-mount package, it is suited for automated assembly processes. The regulator operates reliably across a broad temperature range from -40°C to +85°C, ensuring performance in industrial and automotive environments. Its fixed output voltage simplifies design by eliminating the need for external feedback resistors.

Key Features & Specifications

• Topology: Buck-Boost
• Input Voltage Range: 1.8V to 5.5V
• Fixed Output Voltage: 3.3V
• Maximum Output Current: 800mA
• Switching Frequency: 2.4MHz (Typical)
• Typical Efficiency: 96%
• Operating Temperature Range: -40°C to +85°C
• Package Type: VSON-10 (Surface Mount)
• Mounting Style: Surface Mount
• Dimensions (Package): 3.3mm x 3.0mm x 1.0mm (Typical VSON-10)

This regulator is a robust and efficient choice for designers needing a reliable power conversion solution in portable, industrial, and embedded systems.