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TPS62141RGTR Datasheet(PDF) 1 Page - Texas Instruments |
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TPS62141RGTR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 34 page 22uF 1.8V / 2A 10uF 2.2 µH (3 .. 17)V 3.3nF TPS62141 PVIN AVIN EN SS/TR DEF FSW SW VOS PG FB AGND PGND 100k TPS62140 TPS62141, TPS62142, TPS62143 www.ti.com SLVSAJ0 – NOVEMBER 2011 3-V to 17-V 2-A Step-Down Converter in 3-mm × 3-mm QFN Package Check for Samples: TPS62140, TPS62141, TPS62142, TPS62143 1 FEATURES DESCRIPTION The TPS6214X family is an easy-to-use synchronous • DCS-ControlTM Topology step-down dc-dc converter optimized for applications • Input Voltage Range: 3 V to 17 V with high power density. A high switching frequency • Up to 2-A Output Current of typically 2.5 MHz allows the use of small inductors and provides fast transient response by use of the • Adjustable Output Voltage from 0.9 V to 6 V DCS-Control ™ topology. • Pin-Selectable Output Voltage (Nominal, +5%) With its wide operating input voltage range of 3 V to • Programmable Soft Start and Tracking 17 V, the devices are ideally suited for systems • Seamless Power-Save Mode Transition powered from either a Li-Ion or other batteries, as • Quiescent Current of 17 µA (typ.) well as from 12-V intermediate power rails. It supports up to 2 A of continuous output current at • Selectable Operating Frequency output voltages between 0.9 V and 6 V (with 100% • Power-Good Output duty-cycle mode). • 100% Duty-Cycle Mode The output voltage start-up ramp is controlled by the • Short-Circuit Protection soft-start pin, which allows operation as either a • Overtemperature Protection standalone power supply or in tracking configurations. Power sequencing is also possible by configuring the • Available in a 3-mm × 3-mm, QFN-16 Package enable (EN) and open-drain power-good (PG) pins. APPLICATIONS In power-save mode, the devices show quiescent current of about 17 μA from VIN. Power-save mode, • Standard 12-V 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. Battery In shutdown mode, the device is turned off and • Solid-State Disk Drives shutdown current consumption is less than 2 μA. • Embedded Systems The device, available in adjustable and fixed output voltage versions, is packaged in a 16-pin QFN • LDO Replacement package measuring 3 mm × 3 mm (RGT). • Mobile PCs, Tablet, Modems, Cameras 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, 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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