LM27341-Q1

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM27341, LM27342, LM27341-Q1, LM27342-Q1 SNVS497F – NOVEMBER 2008 – REVISED SEPTEMBER 2016 LM2734x and LM2734x-Q1 2-MHz, 1.5-A or 2-A, Wide Input Range, Step-Down, DC-DC Regulator With Frequency Synchronization 1 Features 1 Space-Saving, 3 mm × 3 mm 10-Pin WSON and MSOP-PowerPAD Packages Wide Input Voltage Range: 3 V to 20 V Wide Output Voltage Range: 1 V to 18 V LM27341 Delivers 1.5-A Maximum Output Current LM27342 Delivers 2-A Maximum Output Current High Switching Frequency: 2 MHz Frequency Synchronization: 1 MHz < fSW < 2.35 MHz 150-mΩ NMOS Switch With Internal Bootstrap Supply 70-nA Shutdown Current Internal Voltage Reference Accuracy of 1% Peak Current-Mode, PWM Operation Thermal Shutdown LM27341-Q1 and LM27342-Q1 are AEC-Q100 Grade 1 Qualified and Manufactured on an Automotive Grade Flow 2 Applications Local 12-V to Vcore Step-Down Converters Radio Power Supply Core Power in HDDs Set-Top Boxes Automotive USB Powered Devices DSL Modems 3 Description The LM2734x and LM2734x-Q1 regulators are monolithic, high-frequency, PWM step-down DC-DC converters in 10-pin WSON and 10-pin MSOPPowerPAD packages. They contain all the active functions to provide local DC-DC conversion with fast transient response and accurate regulation in the smallest possible PCB area. With a minimum of external components, the LM2734x and LM2734x-Q1 are easy to use. The abi...