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TPS62175DQCR Datasheet(PDF) 1 Page - Texas Instruments |
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TPS62175DQCR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 37 page TPS62177 VIN EN SLEEP AGND PGND SW VOS PG FB NC 4.75 to 28V 3.3V/0.5A 10uH 22uF 2.2uF 100k TPS62175, TPS62177 www.ti.com SLVSB35A – OCTOBER 2012 – REVISED NOVEMBER 2012 28V, 0.5A Step-Down Converter with Sleep Mode Check for Samples: TPS62175, TPS62177 1 FEATURES DESCRIPTION The TPS62175/7 is a high efficiency synchronous 2 • DCS-Control™ Topology step-down DC-DC converter, based on the DCS- • Input Voltage Range 4.75 to 28V Control™ topology. • Quiescent Current typ. 4.8µA (Sleep Mode) With a wide operating input voltage range of 4.75 to • 100% Duty Cycle Mode 28V, the device is ideally suited for systems powered • Active Output Discharge from multi cell Li-Ion as well as 12V and even higher intermediate supply rails, providing up to 500mA • Power Good Output output current. • Output Current of 500mA The TPS62175/7 automatically enters Power Save • Output Voltage Range 1V to 6V Mode at light loads, to maintain high efficiency across • Switching Frequency of Typically 1MHz the whole load range. As well, it features a Sleep • Seamless Power Save Mode Transition Mode to supply applications with advanced power save modes like ultra low power micro controllers. • Undervoltage Lockout The Power Good output may be used for power • Short Circuit Protection sequencing and/or Power On Reset. • Over Temperature Protection The device features a typical quiescent current of • Available in 2 x 3 mm 10-pin WSON Package 22uA in normal mode and 4.8uA in Sleep Mode. In Sleep Mode, the efficiency at very low load currents APPLICATIONS can be increased by as much as 20%. In shutdown mode, the shutdown current is less than 2uA and the • General 12V/24V Point Of Load Supply output is actively discharged. • Ultra Mobile PC, Embedded PC The TPS62175/7, available in an adjustable and a • Low Power Supply for Microprocessor fixed output voltage version, is packaged in a small • High Efficiency LDO Alternative 2x3mm 10-pin WSON package. • Industrial Sensors spacingspacing spacingspacing spacingspacing Figure 1. Typical Application and Efficiency 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 DCS-Control is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2012, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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