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LM25575MH Fiches technique(PDF) 1 Page - Texas Instruments |
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LM25575MH Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 32 page LM25575, LM25575-Q1 www.ti.com SNVS479G – JANUARY 2007 – REVISED APRIL 2013 LM25575/LM25575-Q1 SIMPLE SWITCHER® 42V, 1.5A Step-Down Switching Regulator Check for Samples: LM25575, LM25575-Q1 1 FEATURES DESCRIPTION The LM25575 is an easy to use SIMPLE 23 • LM25575-Q1 is an Automotive Grade Product SWITCHER® buck regulator which allows design that is AEC-Q100 Grade 1 Qualified ( −40°C to + engineers to design and optimize a robust power 125°C Operating Junction Temperature) supply using a minimum set of components. • Integrated 42V, 330m Ω N-channel MOSFET Operating with an input voltage range of 6 - 42V, the LM25575 delivers 1.5A of continuous output current • Ultra-Wide Input Voltage Range from 6V to 42V with an integrated 330m Ω N-Channel MOSFET. The • Adjustable Output Voltage as Low as 1.225V regulator utilizes an Emulated Current Mode • 1.5% Feedback Reference Accuracy architecture which provides inherent line regulation, • Operating Frequency Adjustable Between tight load transient response, and ease of loop compensation without the usual limitation of low-duty 50kHz and 1MHz with Single Resistor cycles associated with current mode regulators. The • Master or Slave Frequency Synchronization operating frequency is adjustable from 50kHz to • Adjustable Soft-Start 1MHz to allow optimization of size and efficiency. To • Emulated Current Mode Control Architecture reduce EMI, a frequency synchronization pin allows multiple IC’s from the LM(2)557x family to self- • Wide Bandwidth Error Amplifier synchronize or to synchronize to an external clock. • Built-in Protection The LM25575 ensures robustness with cycle-by-cycle • Automotive Grade Product Datasheet that is current limit, short-circuit protection, thermal shut- down, and remote shut-down. The device is available AEC-Q100 Grade 0 Qualified is Available Upon in a power enhanced HTSSOP-16 package featuring Request an exposed die attach pad for thermal dissipation. – ( −40°C to + 150°C Operating Junction The LM25575 is supported by the full suite of Temperature) WEBENCH® On-Line design tools. APPLICATIONS PACKAGE • Automotive • HTSSOP-16EP (Exposed Pad) • Industrial 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 WEBENCH is a registered trademark of Texas Instruments. 3 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2007–2013, 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. |
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