LM5575-Q1

Product Folder Order Now Technical Documents Tools & Software Support & Community LM5575-Q1 SNOSB23F – OCTOBER 2008 – REVISED JULY 2019 LM5575-Q1 75-V, 1.5-A Step-down Switching Regulator 1 Features 1 AEC-Q100-qualified for automotive applications: – Device temperature grade 1: –40°C to +125°C operating temperature – Device temperature grade 0: –40°C to +150°C operating temperature – Device HBM ESD classification level 2 Integrated 75-V, 330-mΩ N-channel MOSFET Ultra-wide input-voltage from 6 V to 75 V Adjustable output voltage as low as 1.225 V 1.65% 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 Create a custom design using the LM5575-Q1 with the WEBENCH® Power Designer 2 Applications Automotive Industrial 3 Description The LM5575-Q1 is an easy-to-use buck regulator that 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 75 V, the LM5575-Q1 delivers 1.5 A of continuous output current with an integrated 330-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 ...