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TPS62261

Texas Instruments
Part Number TPS62261
Manufacturer Texas Instruments
Description 2.25-MHz 600-mA Step Down Converter
Published Sep 30, 2019
Detailed Description Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design TPS62260, TP...
Datasheet PDF File TPS62261 PDF File

TPS62261
TPS62261

Overview
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design TPS62260, TPS62261, TPS62262, TPS62263 SLVS763E – JUNE 2007 – REVISED JULY 2015 TPS6226x 2.
25-MHz 600-mA Step Down Converter in 2 x 2 WSON and SOT Package 1 Features •1 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% • Typical 15-μA Quiescent Current • 100% Duty Cycle for Lowest Dropout • Voltage Positioning at Light Loads • Available in a SOT (5) and 2-mm × 2-mm × 0.
8- mm WSON (6) Package • Allows <1-mm Solution Height 2 Applications • Mobile Phones, Smart Phones • Low Power DSP Supply • Portable Media Players • Point-of-Load (POL) Applications 3 Description The TPS6226x device is a highly efficient synchronous step-down DC/DC converter.
The TPS6226x provides up to 600-mA output current from a single Li-Ion cell, and is ideal for battery-powered applications such as mobile phones and other portable equipment.
space space space Typical Application Schematic VIN = 2 V to 6 V CIN 4.
7 mF TPS62260DRV VIN SW EN GND FB MODE L 2.
2 mH R1 R2 C1 22 pF Up to 600 mA VOUT COUT 10 mF With an wide input voltage range of 2 V to 6 V, the device also supports two- and three-cell alkaline batteries, 3.
3-V and 5-V input voltage rails.
The TPS6226x 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 pulse-width modulation (PWM) mode by pulling the MODE pin high.
In the shutdown mode, the current consumption is reduced to less than 1 μA.
The TPS6226x allows the use of small inductors and capacitors ...


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