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TPS62152 Fiches technique(PDF) 1 Page - Texas Instruments |
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TPS62152 Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 33 page 22uF 1.8V / 1A 10uF 2.2µH (3 .. 17)V 3.3nF TPS62151 PVIN AVIN EN SS/TR DEF FSW SW VOS PG FB AGND PGND 100k TPS62150 TPS62151, TPS62152, TPS62153 www.ti.com SLVSAL5 – NOVEMBER 2011 3-17V 1A Step-Down Converter in 3x3 QFN Package Check for Samples: TPS62150, TPS62151, TPS62152, TPS62153 1 FEATURES DESCRIPTION The TPS6215X family is an easy to use synchronous • DCS-ControlTM Topology step down DC-DC converter optimized for • Input Voltage Range: 3 to 17V applications with high power density. A high switching • Up to 1A Output Current frequency of typically 2.5MHz allows the use of small inductors and provides fast transient response as well • Adjustable Output Voltage from 0.9 to 6V as high output voltage accuracy by utilization of the • Pin-Selectable Output Voltage (nominal, + 5%) DCS-Control ™ topology. • Programmable Soft Start and Tracking With its wide operating input voltage range of 3V to • Seamless Power Save Mode Transition 17V, the devices are ideally suited for systems • Quiescent Current of 17 µA (typ.) powered from either a Li-Ion or other batteries as well as from 12V intermediate power rails. It supports up • Selectable Operating Frequency to 1A continuous output current at output voltages • Power Good Output between 0.9V and 6V (with 100% duty cycle mode). • 100% Duty Cycle Mode The output voltage startup ramp is controlled by the • Short Circuit Protection soft-start pin, which allows operation as either a • Over Temperature Protection standalone power supply or in tracking configurations. Power sequencing is also possible by configuring the • Available in a 3 × 3 mm, QFN-16 Package Enable and open-drain Power Good pins. APPLICATIONS In Power Save Mode, the devices show quiescent 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. 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 × 3 mm (RGT). • Mobile PC's, 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. |
Numéro de pièce similaire - TPS62152 |
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Description similaire - TPS62152 |
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