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TPS62092RGTT Datasheet(PDF) 1 Page - Texas Instruments |
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TPS62092RGTT Datasheet(HTML) 1 Page - Texas Instruments |
1 / 26 page Vout 1.8V/3A Vin 2.5V to 6V PVIN PVIN EN FB C1 10 F m L1 470nH C2 22 F m SW TPS62090 SW Power Good AVIN SS R3 500k AGND PG C4 10nF VOS FREQ CP CN C3 10nF 1 2 3 4 5 6 PGND PGND 7 8 9 10 11 12 13 14 15 16 50 55 60 65 70 75 80 85 90 95 100 100m 1 10 100 1k 10k I load (mA) VIN = 3.7 V VIN = 4.2 V VIN = 5 V VOUT = 3.3 V L = 1 µH f = 1.4 MHz G002 TPS62090, TPS62091 TPS62092, TPS62093 www.ti.com SLVSAW2A – MARCH 2012 – REVISED MARCH 2012 3A High Efficient Synchronous Step Down Converter with DCS™ Control Check for Samples: TPS62090, TPS62091, TPS62092, TPS62093 1 FEATURES DESCRIPTION The TPS6209x device family is a high frequency 2 • 2.5 V to 6 V Input Voltage Range synchronous step down converter optimized for small • DCS™ Control solution size, high efficiency and suitable for battery • 95% Converter Efficiency powered applications. To maximize efficiency, the converter operates in PWM mode with a nominal • Power Save Mode switching frequency of 2.8 MHz/1.4 MHz and • 20 µA Operating Quiescent Current automatically enters Power Save Mode operation at • 100% Duty Cycle for Lowest Dropout light load currents. When used in distributed power supplies and point of load regulation, the device • 2.8 MHz/1.4 MHz Typical Switching Frequency allows voltage tracking to other voltage rails and • 0.8 V to VIN Adjustable Output Voltage tolerates output capacitors ranging from 10 µF up to • Fixed Output Voltage Versions 150 µF and beyond. Using the DCS™ Control topology the device achieves excellent load transient • Output Discharge Function performance and accurate output voltage regulation. • Adjustable Softstart The output voltage start-up ramp is controlled by the • Two Level Short Circuit Protection softstart pin, which allows operation as either a • Output Voltage Tracking standalone power supply or in tracking configurations. • Wide Output Capacitance Selection Power sequencing is also possible by configuring the Enable and Power Good pins. In Power Save Mode, • Available in 3x3mm 16 Pin QFN Package the device operates at typically 20 µA quiescent current. Power Save Mode is entered automatically APPLICATIONS and seamlessly maintaining high efficiency over the • Distributed Power Supplies entire load current range. • Notebook, Netbook Computers • Hard Disk Drivers • Processor Supply • Battery Powered Applications 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 All trademarks are the property of their respective owners. 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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