TPS549B22 Synchronous Step-Down Converter

Texas Instruments TPS549B22 Synchronous Step-Down Converter is a compact single buck converter with an adaptive on-time, D-CAP3 mode control. The device is designed for high accuracy, high efficiency, fast transient response, ease of use, and low external component count for space-conscious power systems. The TPS549B22 features full differential sense and TI integrated FETs with a high-side on-resistance of 4.1mΩ and a low-side on-resistance of 1.9mΩ. The device also features an accurate 0.5%, 0.9V reference with an ambient temperature range between –40°C and +125°C. Competitive features also include very low external component count, accurate load regulation and line regulation, auto-skip or FCCM mode operation, and internal soft-start control.