TPS62510

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS62510 SLVS651B – MAY 2006 – REVISED DECEMBER 2015 TPS62510 1.5-A, Low VIN High Efficiency Step-Down Converter 1 Features 1 1.8-V to 3.8-V Input Voltage Range Up to 96% High Efficiency Synchronous Step- Down Converter 1.5-MHz Fixed Frequency PWM Operation 1% Output Voltage Accuracy in Fixed Frequency PWM Mode Power Save Mode Operation for High Efficiency Over the Entire Load Current Range 22-μA Quiescent Current Adjustable Output Voltage Output Voltage Tracking (OVT) for Reliable Sequencing Available in a 3-mm × 3-mm 10-Pin VSON Package 2 Applications Portable Devices (Mobile Phone, Smartphone) 2-Cell NiMHd/Alkaline Applications Hard Disc Drives Point-of-Load Regulation Notebook Computers WiMAX and WLAN Applications Typical Application Schematic VI 1.8 V to 3.8 V C1 22 mF Rf 1 W Cf 100 nF TPS62510 L1 10 PVIN 1 2.2 mH SW C3 9 AVIN FB 4 22 pF 6 EN PG 8 5 OVT AGND 3 VO 1.5 V/1.5 A R1 300 kW R2 200 kW C2 22 mF 3 Description The TPS62510 is a high-efficiency step-down converter targeted for operation from a 1.8-V to 3.8-V input voltage rail, ideally suited for 2-cell alkaline or NiMHd applications. The TPS62510 is also ideal as a point-of-load regulator running from a fixed 3.3-V, 2.5V, or 1.8-V input voltage rail. The converter operates in fixed frequency pulse width modulation (PWM) mode switching at 1.5 MHz with the MODE pin high. Pulling...