
力佳胜电子供应TPS62260DRVR同步降压芯片
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描述
The TPS62260 device is a highly efficient synchronous step down dc-dc converter optimized for battery powered applications. It provides up to 600-mA output current from a single Li-Ion cell and is ideal to power mobile phones and other portable applications.With an wide input voltage range of 2 V to 6 V, the device supports applications powered by Li-Ion batteries with extended voltage range, two and three cell alkaline batteries, 3.3 V and 5 V input voltage rails.The TPS62260 operates at 2.25 MHz fixed switching frequency and enters Power Save Mode operation at light load currents to maintain high efficiency over the entire load current range.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, the current consumption is reduced to less than 1µA. TPS62260 allows the use of small inductors and 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.
特性
High Efficiency Step-Down Converter
Output Current up to 600 mA
VIN Range from 2 V to 6 V for Li-ion Batteries
with Extended Voltage Range
2.25 MHz Fixed Frequency Operation
Power Save Mode at Light Load Currents
Output Voltage Accuracy in PWM mode ±1.5%
Typ. 15 µA Quiescent Current
100% Duty Cycle for Lowest Dropout
Soft Start
Voltage POSTTTIONing at Light Loads
Available in a small 2×2×0.8mm QFN and
TSOT-23 package
Allows <1mm Solution Height
APPLICATIONS
PDAs, Pocket PCs
Low Power DSP Supply
Portable Media Players
POL applications
公司简介:深圳市力佳胜电子有限公司(RIGACHIP)主要经营国内外进口及国产优质电子元器件,成立于2009年,以原装正品,不售假货,同等质量价格最低为目标,在大陆市场占有较高评价。代理经销品牌有:TI德州,NS国半,MICROCHIP微芯,TOSHIBA东芝,OB昂宝,MAX美信,ST意法半导体,ON安森美,JRC,ROHM罗姆,VISHAY威萨等主要类型:放大器,运算放大器,稳压放大器,低压差放大,线性IC,逻辑IC,74系列与门IC,单片机,场效应MOS管,直插/贴片光耦,电源管理IC,LED驱动IC,放大器与线性器件,数据转换芯片,时钟芯片,接口芯片等经过长期的不懈努力,公司在同行内已树立了良好的信誉,受到了全国各地客户的好评与信赖。竭诚为国内外众多客户提供第一手货源,我们将以最硬的质量,最诚的服务,最优的价格,与您共商合作事宜,实现长期互惠共赢的合作关系! 联系我司:深圳市龙岗区坂田 街道田村路6号202室电话:0755-89378976
传真:0755-61640110
手机:18926047716
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