Texas Instruments DC-DC Boost Converter, 1.8-5.5V In, 3.3-28V/980mA Out, SOT-23

The Texas Instruments DC-DC Boost Converter is a high-performance, surface-mount integrated circuit designed for efficient step-up voltage regulation. This adjustable output converter is engineered to elevate lower input voltages to a higher, stable output, making it an essential component for a wide array of modern electronic devices where space and power efficiency are critical.

Operating with a typical switching frequency of 1.05MHz, this compact IC allows for the use of smaller external inductors and capacitors, enabling more compact and cost-effective PCB designs. It boasts a high efficiency of up to 85%, helping to maximise battery life in portable applications by minimising power loss during the conversion process.

Key Features & Performance

• Wide Input Range: Accepts a supply voltage from 1.8V to 5.5V, making it compatible with single-cell Li-Ion, Li-Polymer, and multi-cell alkaline/NiMH battery configurations.
• Adjustable Output: Provides a highly flexible output voltage, adjustable from 3.3V up to 28V to suit specific circuit requirements.
• Robust Operation: Designed to perform reliably in harsh environments, with an extended operating temperature range from -40°C to +125°C.
• Compact Footprint: Housed in a space-saving SOT-23-6 surface-mount package, it is ideal for space-constrained applications like wearable technology, IoT sensors, and handheld instruments.

This switching regulator is a versatile solution for designers needing to generate a higher voltage rail from a low-voltage source, such as battery-powered systems, portable medical devices, or industrial sensors. Its high-frequency operation and integrated features simplify the design-in process, providing a reliable and efficient power management core.