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LM5575-Q1 bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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LM5575-Q1 bảng dữ liệu(HTML) 1 Page - Texas Instruments |
1 / 33 page BST SW COMP FB SS RAMP RT VCC VIN OUT IS GND LM5575 VIN VOUT SYNC SD Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM5575-Q1 SNOSB23C – OCTOBER 2008 – REVISED DECEMBER 2014 LM5575-Q1 Simple Switcher® 75-V, 1.5-A Step-Down Switching Regulator 1 Features 3 Description The LM5575-Q1 is an easy-to-use SIMPLE 1 • LM5575-Q1 is an Automotive Grade Product That SWITCHER® buck regulator which allows design is AEC-Q100 Grade 0 Qualified engineers to design and optimize a robust power • -40°C to 150°C Operating Junction Temperature supply using a minimum set of components. • Integrated 75-V, 330-m Ω N-Channel MOSFET Operating with an input voltage range of 6 - 75 V, the LM5575-Q1 delivers 1.5 A of continuous output • Ultra-Wide Input Voltage Range From 6 V to 75 V current with an integrated 330-m Ω N-Channel • Adjustable Output Voltage as Low as 1.225 V MOSFET. The regulator utilizes an Emulated Current • 1.65% Feedback Reference Accuracy Mode architecture which provides inherent line regulation, tight load transient response, and ease-of- • Operating Frequency Adjustable Between 50 kHz loop compensation without the usual limitation of low- and 500 kHz With Single Resistor duty cycles associated with current mode regulators. • Master or Slave Frequency Synchronization The operating frequency is adjustable from 50 kHz to • Adjustable Soft-Start 500 kHz to allow optimization of size and efficiency. To reduce EMI, a frequency synchronization pin • Emulated Current Mode Control Architecture allows multiple IC’s from the LM(2)557x devices to • Wide Bandwidth Error Amplifier self-synchronize or to synchronize to an external • Built-In Protection clock. The LM5575-Q1 ensures robustness with cycle-by-cycle current limit, short-circuit protection, 2 Applications thermal shutdown, and remote shutdown. The device is available in a power enhanced TSSOP-16 package • Automotive featuring an exposed die attach pad for thermal • Industrial dissipation. The LM5575-Q1 is supported by the full suite of WEBENCH® On-Line design tools. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) LM5575-Q1 HTSSOP (16) 5.00 mm × 4.40 mm (1) For all available packages, see the orderable addendum at the end of the datasheet. 4 Simplified 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. |
Số phần tương tự - LM5575-Q1_17 |
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Mô tả tương tự - LM5575-Q1_17 |
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