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TPS62671 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS62671 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 35 page 0 10 20 30 40 50 60 70 80 90 100 0.1 1 10 100 1000 I -LoadCurrent-mA O 0 15 30 45 60 75 90 105 120 135 150 V =3.6V, V =1.8V I O Efficiency PFM/PWMOperation PowerLoss PFM/PWMOperation VIN SW FB MODE EN GND VOUT 1.8 V @ 500mA C 2.2 F I m TPS62671 L 0.47 H m C 4.7 F O m VBAT 2.3 V .. 4.8 V Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS62671, TPS62672, TPS62674 TPS62675, TPS626751, TPS626765, TPS62679 SLVS952F – APRIL 2010 – REVISED JUNE 2014 TPS6267x 500-mA/650-mA, 6-MHz High-Efficiency Step-Down Converter in Low Profile Chip Scale Packaging (Height < 0.4mm) 1 Features 3 Description The TPS6267x devices are high-frequency 1 • 92% Efficiency at 6MHz Operation synchronous step-down dc-dc converters optimized • 17 μA Quiescent Current for small battery-powered applications. Intended for • Wide VIN Range From 2.3V to 4.8V low-power applications, the TPS6267x supports up to 650-mA load current and allows the use of low cost • 6MHz Regulated Frequency Operation chip inductor and capacitors. • Spread Spectrum, PWM Frequency Dithering With a wide input voltage range of 2.3V to 4.8V, the • Best in Class Load and Line Transient device supports applications powered by Li-Ion • ±2% Total DC Voltage Accuracy batteries with extended voltage range. Different fixed • Low Ripple Light-Load PFM Mode voltage output versions are available from 1.05V to 2.1V. The TPS6267x operates at a regulated 6-MHz • ≥35dB VIN PSRR (1kHz to 10kHz) switching frequency and enters the power-save mode • Simple Logic Enable Inputs operation at light load currents to maintain high • Supports External Clock Presence Detect Enable efficiency over the entire load current range. Input The PFM mode extends the battery life by reducing • Three Surface-Mount External Components the quiescent current to 17 μA (typ) during light load Required (One 0603 MLCC Inductor, Two 0402 operation. For noise-sensitive applications, the device Ceramic Capacitors) has PWM spread spectrum capability providing a • Complete Sub 0.33-mm Component Profile lower noise regulated output, as well as low noise at the input. These features, combined with high PSRR Solution and AC load regulation performance, make this • Total Solution Size <10 mm2 device suitable to replace a linear regulator to obtain • Available in a 6-Pin NanoFree™ (CSP) better power conversion efficiency. Ultra-Thin Packaging, 0.4mm Max. Height Device Information(1) 2 Applications PART NUMBER PACKAGE BODY SIZE (NOM) • Cell Phones, Smart-Phones TPS62671, TPS62672, • CMOS Camera Module, Optical Data Module TPS62674, DSBGA (6) 1.22mm x 0.85mm TPS62675, • Digital TV, WLAN, GPS and Bluetooth™ TPS626751, Applications TPS626765 • Embedded Power Supply TPS62679 PicoStar (6) 1.22mm x 0.85mm (1) For all available packages, see the orderable addendum at the end of the datasheet. 4 Simplified 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. UNLESS OTHERWISE NOTED, this document contains PRODUCTION DATA. |
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