TPS62404

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS62400, TPS62401 TPS62402, TPS62403, TPS62404 SLVS681F – JUNE 2006 – REVISED AUGUST 2014 TPS6240x 2.25-MHz 400-mA and 600-mA Dual Step-Down Converter In Small 3-mm x 3-mm VSON Package 1 Features 1 High Efficiency—Up to 95% VIN Range From 2.5 V to 6 V 2.25-MHz Fixed Frequency Operation Output Current of 400 mA and 600 mA Adjustable Output Voltage From 0.6V to VIN Pin-Selectable Output Voltage Supports Simple Dynamic Voltage Scaling EasyScale™ Optional One-Pin Serial Interface Power Save Mode at Light Load Currents 180° Out-of-Phase Operation Output Voltage Accuracy in PWM Mode ±1% Typical 32-μA Quiescent Current for Both Converters 100% Duty Cycle for Lowest Dropout Available in a 10-Pin VSON (3 mm × 3 mm) 2 Applications Cell Phones, Smart Phones PDAs, Pocket PCs OMAP™ and Low-Power DSP Supply Portable Media Players Digital Radios Digital Cameras 3 Description The TPS6240x family of devices are synchronous dual step-down DC-DC converters optimized for battery-powered portable applications. The devices provide two independent output voltage rails powered by 1-cell Li-Ion or 3-cell NiMH/NiCD batteries. The devices are also suitable to operate from a standard 3.3-V or 5-V voltage rail. With an input voltage range from 2.5 V to 6 V, the TPS6240x is ideal to power portable applications like smart phones, PDAs, and other portable equipment. With the Easy...