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LM5576QMHX/NOPB bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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LM5576QMHX/NOPB bảng dữ liệu(HTML) 1 Page - Texas Instruments |
1 / 27 page BST SW COMP FB SS RAMP RT VCC VIN OUT IS GND LM5576 VIN VOUT SYNC SD LM5576Q0 www.ti.com SNOSB24B – OCTOBER 2008 – REVISED APRIL 2013 LM5576Q0 SIMPLE SWITCHER® 75V, 3A Step-Down Switching Regulator Check for Samples: LM5576Q0 1 FEATURES DESCRIPTION The LM5576Q0 is an easy to use SIMPLE 2 • LM5576Q0 is an Automotive Grade Product SWITCHER buck regulator which allows design that is AEC-Q100 Grade 0 Qualified engineers to design and optimize a robust power • -40°C to 150°C Operating Junction supply using a minimum set of components. Temperature Operating with an input voltage range of 6 - 75V, the LM5576Q0 delivers 3A of continuous output current • Integrated 75V, 170m Ω N-Channel MOSFET with an integrated 170m Ω N-Channel MOSFET. The • Ultra-Wide Input Voltage Range from 6V to 75V regulator utilizes an Emulated Current Mode • Adjustable Output Voltage as Low as 1.225V architecture which provides inherent line regulation, • 1.65% Feedback Reference Accuracy tight load transient response, and ease of loop compensation without the usual limitation of low-duty • Operating Frequency Adjustable Between cycles associated with current mode regulators. The 50kHz and 500kHz with Single Resistor operating frequency is adjustable from 50kHz to • Master or Slave Frequency Synchronization 500kHz to allow optimization of size and efficiency. • Adjustable Soft-Start To reduce EMI, a frequency synchronization pin allows multiple IC’s from the LM(2)557x family to self- • Emulated Current Mode Control Architecture synchronize or to synchronize to an external clock. • Wide Bandwidth Error Amplifier The LM5576Q0 ensures robustness with cycle-by- • Built-In Protection cycle current limit, short-circuit protection, thermal shut-down, and remote shut-down. The device is available in a power enhanced TSSOP-20 package APPLICATIONS featuring an exposed die attach pad for thermal • Automotive dissipation. The LM5576Q0 is supported by the full • Industrial suite of WEBENCH® On-Line design tools. PACKAGE • TSSOP-20EP (Exposed Pad) SIMPLIFIED APPLICATION SCHEMATIC 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 SIMPLE SWITCHER, WEBENCH are registered trademarks of Texas Instruments Incorporated. PRODUCTION DATA information is current as of publication date. Copyright © 2008–2013, 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. |
Số phần tương tự - LM5576QMHX/NOPB |
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Mô tả tương tự - LM5576QMHX/NOPB |
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