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TPS62290DRVR Fiches technique(PDF) 1 Page - Texas Instruments |
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TPS62290DRVR Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 23 page www.ti.com FEATURES DESCRIPTION APPLICATIONS TPS62290DRV V 2.7Vto6V IN R 360k 1 W V 1.8V, 1000mA OUT R 180k 2 W VIN GND EN FB SW C 10 F OUT m MODE C 10 F IN m L1 2.2 H m C 22pF 1 30 40 50 60 70 80 90 100 0.00001 0.0001 0.001 0.01 0.1 1 I -OutputCurrent- A O V =4.2V IN V =3.8V IN V =5V IN V =4.5V IN V =3.3V, MODE=GND, L =2.2 H OUT m TPS62290 SLVS764 – JUNE 2007 1-A Step Down Converter in 2 x 2 SON Package • High Efficiency Step Down Converter The TPS62290 device is a high efficient synchronous step down dc-dc converter optimized for battery • Output Current up to 1000 mA powered portable applications. It provides up to • V IN Range From 2.3 V to 6 V 1000-mA output current from a single Li-Ion cell. • 2.25 MHz Fixed Frequency Operation With an input voltage range of 2.3 V to 6 V, the • Power Save Mode at Light Load Currents device supports batteries with extended voltage • Output Voltage Accuracy in PWM mode ±1.5% range and are ideal to power portable applications like mobile phones and other portable equipment. • Typ. 15-µA Quiescent Current • 100% Duty Cycle for Lowest Dropout The TPS62290 operates at 2.25-MHz fixed switching frequency and enters Power Save Mode operation at • Voltage Positioning at Light Loads light load currents to maintain high efficiency over • Available in a 2 × 2 × 0,8 mm SON Package the entire load current range. The Power Save Mode is optimized for low output voltage ripple. For low noise applications, the device • Cell Phones, Smart-phones can be forced into fixed frequency PWM mode by • WLAN pulling the MODE pin high. In the shutdown mode, • PDAs, Pocket PCs the current consumption is reduced to less than • Low Power DSP Supply 1 µA. TPS62290 allows the use of small inductors and capacitors to achieve a small solution size. • Portable Media Players • POL The TPS62290 is available in a 2 mm × 2 mm 6 pin SON 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. 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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Description similaire - TPS62290DRVR |
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