LM25574-Q1

Product Folder Order Now Technical Documents Tools & Software Support & Community LM25574-Q1 SNVSB19 – DECEMBER 2017 LM25574-Q1 42-V, 0.5-A Step-Down Switching Regulator 1 Features 1 Qualified for Automotive Applications AEC-Q100 Qualified With the Following Results: – Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature Integrated 42-V, 750-mΩ N-Channel MOSFET Ultra-Wide Input Voltage From 6 V to 42 V Adjustable Output Voltage as Low as 1.225 V 1.5% Feedback Reference Accuracy Operating Frequency Adjustable Between 50 kHz and 1 MHz With Single Resistor Master or Slave Frequency Synchronization Adjustable Soft-Start Emulated Current Mode Control Architecture Wide Bandwidth Error Amplifier Built-In Protection TSSOP-16 Package Create a Custom Design Using the LM25574-Q1 With the WEBENCH® Power Designer 2 Applications Industrial 3 Description The LM25574-Q1 is an easy to use 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 V to 42 V, the LM25574-Q1 delivers 0.5-A of continuous output current with an integrated 750-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 ...