LM5088

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM5088, LM5088-Q1 SNVS600I – DECEMBER 2008 – REVISED AUGUST 2014 LM5088, LM5088-Q1 Wide Input Range Non-Synchronous Buck Controller 1 Features 1 LM5088-Q1 is an Automotive Grade Product that is AEC-Q100 Grade 1 Qualified (-40°C to +125°C Operating Junction Temperature) Emulated Current Mode Control Drives External High-Side N-channel MOSFET Ultra-Wide Input Voltage Range from 4.5V to 75V Low IQ Shutdown and Standby Modes High Duty Cycle Ratio Feature for Reduced Dropout Voltage Spread Spectrum EMI Reduction (LM5088-1) Hiccup Timer for Overload Protection (LM5088-2) Adjustable Output Voltage from 1.205 V with 1.5% Feedback Reference Accuracy Wide Bandwidth Error Amplifier Single Resistor Oscillator Frequency Setting Oscillator Synchronization Capability Programmable Soft-Start High Voltage, Low Dropout Bias Regulator Thermal Shutdown Protection Package: HTSSOP (16 Pin) 2 Applications Automotive Infotainment Automotive USB Accessory Adapters Industrial DC-DC Bias and Motor Drivers 3 Description The LM5088 high voltage non-synchronous buck controller features all the necessary functions to implement an efficient high voltage buck converter using a minimum number of external components. The LM5088 can be configured to operate over an ultra-wide input voltage range of 4.5 V to 75 V. This easy to use controller includes a level shifted gate driver capable...