TPS54262-Q1

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS54262-Q1 SLVS996D – SEPTEMBER 2009 – REVISED SEPTEMBER 2015 TPS54262-Q1 Automotive 2-A 60-V Step-Down DC-DC Converter With Low I(q) and Voltage Supervisor 1 Features 1 Asynchronous Switch Mode Regulator Qualified for Automotive Applications 3.6-V to 48-V Operating Range, Withstands Transients up to 60 V 2-A Maximum Load Current 50-µA Typical Quiescent Current 200-kHz to 2.2-MHz Switching Frequency 0.8 V ± 1.5% Voltage Reference High-Voltage Tolerant Enable Input Soft Start on Enable Cycle Slew Rate Control on Internal Power Switch Low-Power Mode for Light-Load Conditions Programmable Delay for Power-On Reset External Compensation for Error Amplifier Reset Function Filter Time for Fast Negative Transients Programmable Overvoltage, Undervoltage Output Monitor Thermal Sensing and Shutdown Switch Current Limit Protection Short Circuit and Overcurrent Protection of FET Junction Temperature Range: –40°C to 150°C 20-Pin HTSSOP PowerPAD™ Package 3 Description The TPS54262-Q1 device is a 60-V, 2-A step-down switch-mode power supply with a low-power mode and a programmable voltage supervisor with an integrated NMOS switching FET. Integrated input voltage line feed forward topology improves line transient regulation of the voltage mode buck regulator. The regulator has a cycle-by-cycle current limit. The device also features low-power mode operation under...