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LM3150 データシート(PDF) 1 Page - Texas Instruments |
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LM3150 データシート(HTML) 1 Page - Texas Instruments |
1 / 32 page EN SS HG SW L LM3150 FB VCC PGND SGND BST ILIM LG CIN CSS VIN VIN RON RON COUT VOUT CBST CVCC VIN RLIM RFB2 RFB1 M2 M1 Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM3150 SNVS561F – SEPTEMBER 2008 – REVISED DECEMBER 2014 LM3150 Wide-VIN Synchronous Buck Controller 1 Features 3 Description The LM3150 SIMPLE SWITCHER® controller is an 1 • PowerWise™ Step-Down Controller easy-to-use and simplified step-down power • 6-V to 42-V Wide Input Voltage Range controller capable of providing up to 12 A of output • Adjustable Output Voltage Down to 0.6 V current in a typical application. Operating with an input voltage range of 6 V to 42 V, the LM3150 • Programmable Switching Frequency up to 1 MHz controller features an adjustable output voltage down • No Loop Compensation Required to 0.6 V. The switching frequency is adjustable up to • Fully WEBENCH® Enabled 1 MHz and the synchronous architecture provides for highly efficient designs. The LM3150 controller • Low External Component Count employs a constant on-time (COT) architecture with a • Constant On-Time (COT) Control proprietary emulated ripple mode (ERM) control that • Ultra-Fast Transient Response allows for the use of low ESR output capacitors, • Stable With Low ESR Capacitors which reduces overall solution size and output voltage ripple. The COT regulation architecture allows • Output Voltage PreBias Startup for fast transient response and requires no loop • Valley Current Limit compensation, which reduces external component • Programmable Soft-Start count and reduces design complexity. Fault protection features such as thermal shutdown, 2 Applications undervoltage lockout, overvoltage protection, short- • Telecom circuit protection, current limit, and output voltage prebias start-up allow for a reliable and robust • Networking Equipment solution. • Routers The LM3150 concept provides for an easy-to-use • Security Surveillance complete design using a minimum number of external • Power Modules components and TI’s WEBENCH online design tool. WEBENCH provides design support for every step of the design process and includes features such as external component calculation with a new MOSFET selector, electrical simulation, thermal simulation, and Build-It boards for prototyping. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) LM3150 HTSSOP (14) 5.00 mm × 4.40 mm (1) For all available packages, see the orderable addendum at the end of the datasheet. 4 Typical Application Schematic 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. PRODUCTION DATA. |
同様の部品番号 - LM3150_15 |
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同様の説明 - LM3150_15 |
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