TPS62742

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS62740, TPS62742 SLVSB02B – NOVEMBER 2013 – REVISED JULY 2014 TPS6274x 360nA IQ Step Down Converter For Low Power Applications 1 Features 1 Input Voltage Range VIN from 2.2V to 5.5 Typ. 360nA Quiescent Current Up to 90% Efficiency at 10µA Output Current Up to 300mA / 400mA Output Current (TPS62740/TPS62742) RF Friendly DCS-Control TM Up to 2 MHz Switching Frequency Low Output Ripple Voltage 16 Selectable Output Voltages in 100mV Steps between 1.8V to 3.3V Automatic Transition to No Ripple 100% Mode Slew Rate Controlled Load Switch Discharge Function on VOUT / LOAD Power Good Output Optimized for Operation with a Tiny 2.2µH Inductor and 10µF COUT Total Solution Size <31mm2 Small 2 x 3 mm2 WSON Package 2 Applications Bluetooth® Low Energy, RF4CE, Zigbee Industrial Metering Energy Harvesting 3 Description The TPS6274x is industry's first step down converter featuring typ. 360nA quiescent current and operating with a tiny 2.2µH inductor and 10µF output capacitor. This new DCS-Control™ based device extends the light load efficiency range below 10µA load currents. TPS62740 supports output currents up to 300mA, TPS62742 up to 400mA. The device operates from rechargeable Li-Ion batteries, Li-primary battery chemistries such as Li-SOCl2, Li-MnO2 and two or three cell alkaline batteries. The input voltage range up to 5.5V allows also operation from a USB port...