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TPS62262DRVTG4 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS62262DRVTG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 32 page www.ti.com FEATURES DESCRIPTION APPLICATIONS VIN GND EN FB SW TPS62260DRV L R1 R2 C 10 F OUT m VOUT MODE C 4.7 F IN m 2.2 H m C 22pF 1 0 10 20 30 40 50 60 70 80 90 100 0.01 0.1 1 10 100 1000 I -OutputCurrent-mA O V =2.3V IN V =2.7V IN V =3V IN V =3.6V IN V =4.5V IN V =1.8V, MODE=GND, L =2.2 H, DCR110mR OUT m TPS62260, TPS62261, TPS62262 SLVS763 – JUNE 2007 2.25 MHz 600 mA Step Down Converter in 2x2SON/TSOT-23 Package • High Efficiency Step Down Converter The TPS62260 device is a high efficient synchronous step down dc-dc converter optimized for battery • Output Current up to 600 mA powered applications. It provides up to 600-mA • Wide V IN Range from 2 V to 6 V for Li-Ion output current from a single Li-Ion cell and is ideal to Batteries with Extended Voltage Range power mobile phones and other portable • 2.25 MHz Fixed Frequency Operation applications. • Power Save Mode at Light Load Currents With an wide input voltage range of 2 V to 6 V, the • Output Voltage Accuracy in PWM mode ±1.5% device supports applications powered by Li-Ion batteries with extended voltage range, two and three • Typ. 15 µA Quiescent Current cell alkaline batteries, 3.3 V and 5 V input voltage • 100% Duty Cycle for Lowest Dropout rails. • Soft Start The TPS62260 operates at 2.25 MHz fixed switching • Voltage Positioning at Light Loads frequency and enters Power Save Mode operation at • Available in a small 2×2×0,8mm SON and light load currents to maintain high efficiency over TSOT-23 package the entire load current range. • Allows <1mm Solution Height The Power Save Mode is optimized for low output voltage ripple. For low noise applications, the device can be forced into fixed frequency PWM mode by pulling the MODE pin high. In the shutdown mode, • PDAs, Pocket PCs the current consumption is reduced to less than 1 µA. • Low Power DSP Supply TPS62260 allows the use of small inductors and • Portable Media Players capacitors to achieve a small solution size. • POL applications The TPS62260 is available in a very small 2 ×2 6 pin SON and TSOT-23 5 pin package. 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. PowerPAD is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2007, 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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