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LM5576 - 产品图解:
LM5576-SIMPLE SWITCHER? 6V 至 75V、3A 降压稳压器,具有频率同步功能
LM5576-转换器(集成开关)-DC/DC开关稳压器-电源管理
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TI产品 - LM5576介绍
LM5576 - SIMPLE SWITCHER? 6V 至 75V、3A 降压稳压器,具有频率同步功能

LM5576是TI公司的一款转换器(集成开关)产品,LM5576是SIMPLE SWITCHER? 6V 至 75V、3A 降压稳压器,具有频率同步功能,本页介绍了LM5576的产品说明、应用、特性等,并给出了与LM5576相关的TI元器件型号供参考。

LM5576 - SIMPLE SWITCHER? 6V 至 75V、3A 降压稳压器,具有频率同步功能 - 转换器(集成开关) - DC/DC开关稳压器 - TI公司(Texas Instruments,德州仪器)

产品特性
  • LM5576-Q1 is an Automotive Grade Product that is AEC-Q100 grade 1 Qualified (−40°C to + 125°C Operating Junction Temperature) and AEC-Q100 Grade 0 Qualified (−40°C to + 150°C Operating Junction Temperature)
  • Integrated 75 V, 170 mΩ N-channel MOSFET
  • Ultra-Wide Input Voltage Range from 6 V to 75 V
  • Adjustable Output Voltage as Low as 1.225 V
  • 1.5% (Q1) and 1.65% (Q0) Feedback Reference Accuracy
  • Operating Frequency Adjustable Between 50 kHz and 500 kHz with Single Resistor
  • Master or Slave Frequency Synchronization
  • Adjustable Soft-Start
  • Emulated Current Mode Control Architecture
  • Wide Bandwidth Error Amplifier
  • Built-in Protection
  • HTSSOP-20EP (Exposed Pad)
产品应用
  • Automotive
  • Industrial
产品说明

The LM5576 is an easy to use SIMPLESWITCHER® buck regulator which allows design engineers to design and optimize a robust power supply using a minimum set of components. Operating with an input voltage range of 6 - 75 V, the LM5576 delivers 3 A of continuous output current with an integrated 170 mΩ N-Channel MOSFET. The regulator utilizes an Emulated Current Mode architecture which provides inherent line regulation, tight load transient response, and ease of loop compensation without the usual limitation of low-duty cycles associated with current mode regulators. The operating frequency is adjustable from 50 kHz to 500 kHz to allow optimization of size and efficiency. To reduce EMI, a frequency synchronization pin allows multiple ICs from the LM(2)557x family to self-synchronize or to synchronize to an external clock. The LM5576 ensures robustness with cycle-by-cycle current limit, short-circuit protection, thermal shut-down, and remote shut-down. The device is available in a power enhanced HTSSOP-20 package featuring an exposed die attach pad for thermal dissipation. The LM5576 is supported by the full suite of WEBENCH® On-Line design tools.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
LM5576HTSSOP (20)6.50 mm x 4.40 mm
LM5576-Q1
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