TPS40170

Product Folder Order Now Technical Documents Tools & Software Support & Community TPS40170 SLUS970B – NOVEMBER 2013 – REVISED DECEMBER 2014 TPS40170 4.5 V to 60 V, Wide-Input Synchronous PWM Buck Controller 1 Features 1 Wide Input Voltage Range from 4.5 V to 60 V 600 mV Reference Voltage with 1% Accuracy Programmable UVLO and Hysteresis Voltage Mode Control With Voltage Feed Forward Programmable Frequency Between 100 kHz and 600 kHz Bi-directional -Frequency Synchronization With Master/Slave Option Low-side FET Sensing Overcurrent Protection and High-Side FET Sensing Short-Circuit Protection With Integrated Thermal Compensation Programmable Closed Loop Soft-Start Supports Pre-Biased Outputs Thermal Shutdown at 165°C with Hysteresis Voltage Tracking Powergood ENABLE with 1-µA Low Current Shutdown 8.0-V and 3.3-V LDO Output Integrated Bootstrap Diode 20-Pin 3.5 mm × 4.5 mm VQFN (RGY) Package Create a Custom Design with WEBENCH Tools 2 Applications POL Modules Wide Input Voltage, High-Power Density DC - DC Converters for Industrial, Networking and Telecom Equipment 3 Description TPS40170 is a full-featured, synchronous PWM buck controller that operates at an input voltage between 4.5 V and 60 V and is optimized for high-power density, high-reliability DC-DC converter applications. The controller implements voltage-mode control with input voltage feed-forward compensation that enables instant response to input voltage change. The switc...