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EAGLE Library Object
|Uploaded by:||Juergen Messerer|
|Remarks:||This library is a part of the archive file m-pad-2.1.zip|
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|Download options:||Download whole archive|
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( 2,969.6 KiB )
|Description:||Ti's TPS6220x HIGH-EFFICIENCY, SOT23 STEP-DOWN, DC-DC CONVERTER|
The TPS6220x devices are a family of high-efficiency synchronous step-down converters ideally suited for
portable systems powered by 1-cell Li-Ion or 3-cell NiMH/NiCd batteries. The devices are also suitable to
operate from a standard 3.3-V or 5-V voltage rail. With an output voltage range of 6.0 V down to 0.7 V
and up to 300 mA output current, the devices are ideal to power low voltage DSPs and processors
used in PDAs, pocket PCs, and smart phones. Under nominal load current, the devices operate with a
fixed switching frequency of typically 1 MHz.
At light load currents, the part enters the power save mode operation; the switching frequency is reduced and the
quiescent current is typically only 15 uA; therefore it achieves the highest efficiency over the entire load
current range. The TPS6220x needs only three small external components. Together with the tiny SOT23
package, a minimum system solution size can be achieved. An advanced fast response voltage mode
control scheme achieves superior line and load regu- lation with small ceramic input and output capacitors.
Features: High Efficiency Synchronous Step-Down Converter With up to 95% Efficiency 2.5 V to 6.0 V Input Voltage Range Adjustable Output Voltage Range From 0.7 V to VI Fixed Output Voltage Options Available Up to 300 mA Output Current 1 MHz Fixed Frequency PWM Operation Highest Efficiency Over Wide Load Current Range Due to Power Save Mode 15-uA Typical Quiescent Current Soft Start 100% Duty Cycle Low-Dropout Operation Dynamic Output-Voltage Positioning Available in a Tiny 5-Pin SOT23 Package Applications: PDAs and Pocket PC Cellular Phones, Smart Phones Low Power DSP Supply Digital Cameras Portable Media Players Portable Equipment
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