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TPS62262DDCT Fiches technique(PDF) 1 Page - Texas Instruments |
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TPS62262DDCT Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 32 page 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 V =2Vto6V IN Upto600mA 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, TPS62263 www.ti.com SLVS763D – JUNE 2007 – REVISED FEBRUARY 2011 2.25 MHz 600 mA Step Down Converter in 2x2 QFN / TSOT-23 Package Check for Samples: TPS62260, TPS62261, TPS62262, TPS62263 1 FEATURES DESCRIPTION 2 • High Efficiency Step-Down Converter • Output Current up to 600 mA The TPS62260 device is a highly efficient synchronous step down dc-dc converter optimized for • VIN Range from 2 V to 6 V for Li-ion Batteries battery powered applications. It provides up to with Extended Voltage Range 600-mA output current from a single Li-Ion cell and is • 2.25 MHz Fixed Frequency Operation ideal to power mobile phones and other portable • Power Save Mode at Light Load Currents applications. • Output Voltage Accuracy in PWM mode ±1.5% With an wide input voltage range of 2 V to 6 V, the device supports applications powered by Li-Ion • Typ. 15 μA Quiescent Current batteries with extended voltage range, two and three • 100% Duty Cycle for Lowest Dropout cell alkaline batteries, 3.3 V and 5 V input voltage • Soft Start rails. • Voltage Positioning at Light Loads The TPS62260 operates at 2.25 MHz fixed switching • Available in a small 2 ×2×0.8mm QFN and frequency and enters Power Save Mode operation at TSOT-23 package light load currents to maintain high efficiency over the entire load current range. • Allows <1mm Solution Height The Power Save Mode is optimized for low output APPLICATIONS voltage ripple. For low noise applications, the device can be forced into fixed frequency PWM mode by • PDAs, Pocket PCs pulling the MODE pin high. In the shutdown mode, • Low Power DSP Supply the current consumption is reduced to less than 1 μA. • Portable Media Players TPS62260 allows the use of small inductors and • POL applications capacitors to achieve a small solution size. The TPS62260 is available in a very small 2 ×2 6 pin QFN and TSOT-23 5 pin package. 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 PowerPAD is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. © 2007–2011, 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 - TPS62262DDCT |
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Description similaire - TPS62262DDCT |
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