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TPS82677SIPT Datasheet(PDF) 1 Page - Texas Instruments |
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TPS82677SIPT Datasheet(HTML) 1 Page - Texas Instruments |
1 / 30 page 250 225 200 175 150 125 100 75 50 25 0 100 90 80 70 60 50 40 30 20 10 0 0.1 1 10 100 1000 I - Load Current - mA O V = 3.6 V, V = 1.8 V I O Efficiency PFM/PWM Operation Power Loss PFM/PWM Operation VIN SW FB MODE GND EN VOUT 1.8 V @ 600mA C I TPS82671SIP L VIN 2.3 V .. 4.8 V C O MODE SELECTION ENABLE DC/DC Converter GND Copyright © 2016, Texas Instruments Incorporated Product Folder Sample & Buy Technical Documents Tools & Software Support & Community 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. TPS82670, TPS82671, TPS82672, TPS82673, TPS82674, TPS82675, TPS82676 TPS82677, TPS826711, TPS826716, TPS826721, TPS826745, TPS826765, TPS8267195 SLVSAI0J – OCTOBER 2010 – REVISED MAY 2016 TPS8267x 600-mA, High-Efficiency MicroSiP™ Step-Down Converter (Profile <1.0mm) 1 1 Features 1 • 90% Efficiency at 5.5 MHz Operation • 17 μA Quiescent Current • Wide VIN Range From 2.3 V to 4.8 V • 5.5MHz Regulated Frequency Operation • Spread Spectrum, PWM Frequency Dithering • Best in Class Load and Line Transient • ±2% Total DC Voltage Accuracy • Automatic PFM/PWM Mode Switching • Low Ripple Light-Load PFM Mode • ≥35dB VIN PSRR (1kHz to 10kHz) • Internal Soft Start, 120-µs Start-Up Time • Integrated Active Power-Down Sequencing (Optional) • Current Overload and Thermal Shutdown Protection • Sub 1-mm Profile Solution • Total Solution Size <6.7 mm2 2 Applications • Cell Phones, Smart-Phones • Camera Module, Optical Data Module • Wearable Electronics • Digital TV, WLAN, GPS and Bluetooth™ Applications • POL Applications 3 Description The TPS8267x device is a complete 600mA, DC/DC step-down power supply intended for low-power applications. Included in the package are the switching regulator, inductor and input/output capacitors. No additional components are required to finish the design. The TPS8267x is based on a high-frequency synchronous step-down dc-dc converter optimized for battery-powered portable applications. The MicroSiP™ DC/DC converter operates at a regulated 5.5-MHz switching frequency and enters the power- save mode operation at light load currents to maintain high efficiency over the entire load current range. The PFM mode extends the battery life by reducing the quiescent current to 17 μA (typ) during light load operation. For noise-sensitive applications, the device has PWM spread spectrum capability providing a lower noise regulated output, as well as low noise at the input. These features, combined with high PSRR and AC load regulation performance, make this device suitable to replace a linear regulator to obtain better power conversion efficiency. The TPS8267x is packaged in a compact (2.3mm x 2.9mm) and low profile (1.0mm) BGA package suitable for automated assembly by standard surface mount equipment. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TPS8267x µSIP (8) 2.30 x 2.90 mm (1) For all available packages, see the orderable addendum at the end of the datasheet. 4 Simplified Schematic spacer Efficiency vs Output Current spacer |
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