TPS5422x / TPS544x Step-Down SWIFT™ Converters Texas Instruments TPS54225, TPS54226, TPS54425, and TPS54426 are 4.5V to 18V synchronous step-down SWIFT™ converters with D-CAP2™ mode for fast transient response. These TI SWIFT converters are ideal for a wide range of applications for low-voltage systems, including digital TV power supply, high-definition Blu-ray Disc™ players, networking home terminals, and digital set top boxes. The TI TPS54225, TPS54225, TPS54425, and TPS54426 step-down converters are highly efficient (less than 10µA at shutdown) and feature high initial bandgap reference accuracy.