TPS62175

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design TPS62175, TPS62177 SLVSB35C – OCTOBER 2012 – REVISED JULY 2015 TPS6217x 28-V, 0.5-A Step-Down Converter With Sleep Mode 1 Features 1 DCS-Control™ Topology Input Voltage Range 4.75 V to 28 V Quiescent Current Typically 4.8 µA (Sleep Mode) 100% Duty Cycle Mode Active Output Discharge Power Good Output Output Current of 500 mA Output Voltage Range 1 VDC to 6 V Switching Frequency of Typically 1 MHz Seamless Power Save Mode Transition Undervoltage Lockout Short Circuit Protection Over Temperature Protection Available in 2-mm × 3-mm 10-pin WSON Package 2 Applications General 12 V / 24 V Point Of Load Supply Ultra Mobile PC, Embedded PC Low Power Supply for Microprocessor High Efficiency LDO Alternative Industrial Sensors 4.75 to 28V 2.2uF Typical Application Schematic 10uH VIN SW EN TPS62177 VOS SLEEP PG 100k AGND FB PGND NC 3.3V/0.5A 22uF 3 Description The TPS6217x is a high efficiency synchronous stepdown DC/DC converter, based on the DCS-Control™ topology. With a wide operating input voltage range of 4.75 V to 28 V, the device is ideally suited for systems powered from multi cell Li-Ion as well as 12 V and even higher intermediate supply rails, providing up to 500-mA output current. The TPS6217x automatically enters power save mode at light loads, to maintain high efficiency across the whole load range. As well, it feature...