TPS55340

Product Folder Order Now Technical Documents Tools & Software Support & Community TPS55340 SLVSBD4D – MAY 2012 – REVISED JANUARY 2019 TPS55340 Integrated 5-A Wide Input Range Boost/SEPIC/Flyback DC/DC Regulator 1 Features 1 Internal 5-A, 40-V Low-Side MOSFET Switch 2.9-V to 32-V Input Voltage Range ±0.7% Reference Voltage 0.5-mA Operating Quiescent Current 2.7-µA Shutdown Supply Current Fixed Frequency Current Mode PWM Control Frequency Adjustable From 100 kHz to 1.2 MHz Synchronization Capability to External Clock Adjustable Soft-Start Time Pulse Skipping for Higher Efficiency at Light Loads Cycle-by-Cycle Current Limit, Thermal Shutdown, and UVLO Protection QFN-16 (3-mm × 3-mm) and HTSSOP-14 Packages With PowerPAD™ Wide –40°C to 150°C Operating TJ Range Create a Custom Design Using the TPS55340 with the WEBENCH Power Designer 2 Applications 3.3-V, 5-V, 12-V, 24-V Power Conversion Boost, SEPIC, and Flyback Topologies Thunderbolt Port, USB Type-C Power Delivery, Power Docking for Tablets and Portable PCs Industrial Power Systems ADSL Modems 3 Description The TPS55340 is a monolithic, nonsynchronous, switching regulator with integrated 5-A, 40-V power switch. The device can be configured in several standard switching-regulator topologies, including boost, SEPIC, and isolated flyback. The device has a wide input voltage range to support applications with input voltage from multicell batteries or regulated 3.3-V, 5-V, 12-V, and 24-V po...