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TPS53015 датащи(PDF) 1 Page - Texas Instruments |
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TPS53015 датащи(HTML) 1 Page - Texas Instruments |
1 / 22 page TPS53015 www.ti.com SLVSBF0B – JULY 2012 – REVISED AUGUST 2012 Single Synchronous Step-down Controller for Low Voltage Power Rails Check for Samples: TPS53015 1 FEATURES • Power Good Output • OCL/OVP/UVP/UVLO/TSD Protections 2 • D-CAP2™ Mode Control • Adaptive Gate Drivers with Integrated Boost – Fast Transient Response PMOS Switch – No External Parts Required For Loop • Thermally Compensated OCP, 4000 ppm/°C Compensation • 10 pin VSSOP – Compatible with Ceramic Output Capacitors APPLICATIONS • High Initial Reference Accuracy (±1%) • Point-of-Load Regulation in Low Power • Wide Input Voltage Range: 4.5 V to 28 V Systems for Wide Range of Applications • Output Voltage Range: 0.77 V to 7.0 V – Digital TV Power Supply • Low-Side RDS(on) Loss-Less Current Sensing – Networking Home Terminal • 1.4 ms Fixed Soft Start – Digital Set Top Box (STB) • Non-Sinking Pre-Biased Soft Start – DVD Player / Recorder • 500 kHz Switching Frequency – Gaming Consoles and Other • Cycle-By-Cycle Over Current Limiting Control • Auto-Skip Eco-ModeTM for High Efficiency at Light load DESCRIPTION The TPS53015 is a single, adaptive on-time D-CAP2™ mode synchronous buck controller. The TPS53015 enables system designers to complete the suite of various end equipment's power bus regulators with cost effective low external component count and low standby current solution. The main control loop for the TPS53015 uses the D-CAP2™ mode control which provides a very fast transient response with no external compensation components. The Adaptive on-time control supports seamless transition between PWM mode at higher load condition and Eco-mode™ operation at light load. Eco-mode™ allows the TPS53015 to maintain high efficiency during lighter load conditions. The TPS53015 is also able to adapt to both low equivalent series resistance (ESR) output capacitors such as POSCAP or SP-CAP and ultra-low ESR ceramic capacitors. The device provides convenient and efficient operation with input voltages from 4.5 V to 28 V and output voltage from 0.77 V to 7.0 V. The TPS53015 is available in the 3.0mm x 3.0 mm 10-pin VSSOP (DGS) package, and is specified for an ambient temperature range of –40°C to 85°C. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 D-CAP2, Eco-mode, Eco-Mode are trademarks of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2012, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
Аналогичный номер детали - TPS53015_15 |
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Аналогичное описание - TPS53015_15 |
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