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LM25010 bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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LM25010 bảng dữ liệu(HTML) 1 Page - Texas Instruments |
1 / 27 page VIN SW BST LM25010 VCC SS RON/SD 6V - 42V Input C1 RON R2 R1 C2 VOUT L1 C3 C4 D1 C6 RTN ISEN SGND FB SHUTDOWN R3 LM25010 www.ti.com SNVS419C – DECEMBER 2005 – REVISED DECEMBER 2008 LM25010/LM25010Q 42V, 1.0A Step-Down Switching Regulator Check for Samples: LM25010 1 FEATURES • 2.5V, ±2% Feedback Reference • Programmable Soft-Start 2 • Wide 6V to 42V Input Voltage Range • Thermal shutdown • Valley Current Limiting At 1.25A • LM25010Q is AEC-Q100 Grade 1 & 0 qualified • Programmable Switching Frequency Up To 1 MHz TYPICAL APPLICATIONS • Integrated N-Channel Buck Switch • Non-Isolated Telecommunications Regulator • Integrated High Voltage Bias Regulator • Secondary Side Post Regulator • No Loop Compensation Required • Automotive Electronics • Ultra-Fast Transient Response • Nearly Constant Operating Frequency With Line and Load Variations • Adjustable Output Voltage DESCRIPTION The LM25010 features all the functions needed to implement a low cost, efficient, buck regulator capable of supplying in excess of 1A load current. This high voltage regulator integrates an N-Channel Buck Switch, and is available in thermally enhanced LLP-10 and TSSOP-14EP packages. The constant on-time regulation scheme requires no loop compensation resulting in fast load transient response and simplified circuit implementation. The operating frequency remains constant with line and load variations due to the inverse relationship between the input voltage and the on-time. The valley current limit detection is set at 1.25A. Additional features include: VCC under-voltage lock-out, thermal shutdown, gate drive under-voltage lock-out, and maximum duty cycle limiter. Package • LLP-10 (4 mm x 4 mm) • TSSOP-14EP • Both Packages Have Exposed Thermal Pad For Improved Heat Dissipation Basic Step-Down Regulator 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 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2005–2008, 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. |
Số phần tương tự - LM25010_14 |
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Mô tả tương tự - LM25010_14 |
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