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TPS62590DRVT Datasheet(PDF) 1 Page - Texas Instruments |
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TPS62590DRVT Datasheet(HTML) 1 Page - Texas Instruments |
1 / 26 page 0.0001 0 10 20 30 40 50 60 70 80 90 100 0.001 0.01 0.1 1 I -OutputCurrent- A O V =3.8V I V =5V I V =4.2V I V =3.3V, MODE=GND, L =2.2 H OUT m VIN GND EN FB SW TPS62590DRV VOUT MODE L 2.2 H m C OUT 10mF C1 22pF R1 R2 C IN 10mF PwrPAD 0.75 V to V IN V I N 2.5 V to 5.5 V 5 4 2 1 3 6 Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design TPS62590 SLVS897C – JANUARY 2009 – REVISED DECEMBER 2015 TPS62590 1-A Step Down Converter in 2-mm × 2-mm WSON Package 1 Features 3 Description The TPS62590 device is a high-efficiency 1 • Output Current up to 1000 mA synchronous step down converter, optimized for • Input Voltage Range from 2.5 V to 5.5 V battery powered portable applications. The device • Output Voltage Accuracy in PWM Mode ±2.5% provides up to 1000-mA output current from batteries, such as single Li-Ion or other common chemistry AA • Typical 15- μA Quiescent Current and AAA cells. • 100% Duty Cycle for Lowest Dropout With an input voltage range of 2.5 V to 5.5 V, the • Available in a 2 mm × 2 mm × 0.8 mm WSON device is targeted to power a large variety of portable Package handheld equipment or POL applications. • For Improved Features Set, See the TPS62290 The TPS62590 family operates at 2.25-MHz fixed device (SLVS764) switching frequency and enters a power save mode operation at light load currents to maintain a high 2 Applications efficiency over the entire load current range. • Mobile Phones, Smart Phones The power save mode is optimized for low output • Tablet PCs voltage ripple. For low noise applications, the device • WLAN can be forced into fixed frequency pulse width modulation (PWM) mode by pulling the MODE pin • Low Power DSP Supply high. In the shutdown mode the current consumption • Point-of-Load (POL) Applications is reduced to less than 1 µA. The TPS62590 allows the use of small inductors and capacitors to achieve a small solution size. The TPS62590 is available in a 2-mm × 2-mm 6-pin WSON package. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TPS62590 WSON (6) 2.00 mm × 2.00 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Typical Application Schematic Efficiency vs Output Current 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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