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TPS62173 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS62173 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 33 page 22uF 1.8V / 0.5A 10uF 2.2µH TPS62171 VIN EN AGND PGND SW VOS PG FB 100k (3 .. 17)V TPS62170, TPS62171 TPS62172, TPS62173 www.ti.com SLVSAT8A – NOVEMBER 2011 – REVISED APRIL 2012 3-17V 0.5A Step-Down Converter with DCS-ControlTM Check for Samples: TPS62170, TPS62171, TPS62172, TPS62173 1 FEATURES DESCRIPTION The TPS6217X family is an easy to use synchronous • DCS-ControlTM Topology step down DC-DC converter optimized for • Input Voltage Range: 3 to 17 V applications with high power density. A high switching • Up to 500 mA Output Current frequency of typically 2.25MHz allows the use of small inductors and provides fast transient response • Adjustable Output Voltage from 0.9 to 6 V as well as high output voltage accuracy by utilization • Fixed Output Voltage Versions of the DCS-Control™ topology. • Seamless Power Save Mode Transition With its wide operating input voltage range of 3V to • Typically 17µA Quiescent Current 17V, the devices are ideally suited for systems • Power Good Output powered from either a Li-Ion or other battery as well as from 12V intermediate power rails. It supports up • 100% Duty Cycle Mode to 0.5A continuous output current at output voltages • Short Circuit Protection between 0.9V and 6V (with 100% duty cycle mode). • Over Temperature Protection Power sequencing is also possible by configuring the • Available in a 2 × 2 mm, WSON-8 Package Enable and open-drain Power Good pins. In Power Save Mode, the devices show quiescent APPLICATIONS current of about 17 μA from VIN. Power Save Mode, • Standard 12V Rail Supplies entered automatically and seamlessly if load is small, • POL Supply from Single or Multiple Li-Ion maintains high efficiency over the entire load range. In Shutdown Mode, the device is turned off and Battery shutdown current consumption is less than 2 μA. • LDO Replacement The device, available in adjustable and fixed output • Embedded Systems voltage versions, is packaged in an 8-pin WSON • Digital Still Camera, Video package measuring 2 × 2 mm (DSG). • Mobile PC's, Tablet, Modems spacing spacing 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. PRODUCTION DATA information is current as of publication date. Copyright © 2011–2012, 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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