UD182013中文资料580KHZ, 2A SYNCHRONOUS STEP-DOWN CONVERTER数据手册UTC规格书

描述 Description

The UTC UD182013 is an 2A synchronous step-down DC-DCconverter with an input voltage range of 4.5V to 18V. The UD182013adopts the COT architecture to achieve fast transient responses forhigh voltage step down applications. The UD182013 operates in skipmode that maintains high efficiency during light load operation. TheUD182013

特性 Features

cycle-by-cycle current limit protection and preventthe UD182013 from the catastrophic damage in output short circuit,over current or inductor saturation. A build-in soft-start block preventsinrush current during start up. The UD182013 also includes inputunder-voltage lockout, output under-voltage protection, andover-temperature protection to provide safe and smooth operation inall working conditions. FEATURES  4.5V to 18V Input Voltage Range Low RDS(ON) for Internal Switches:High-side:130mΩLow-side:70mΩ 580kHz Constant Switching Frequency 2A Available Load Current Soft Start time: 1.5ms Cycle-by-cycle Valley Current Limitation Input Under-Voltage Lockout Short Circuit with Hiccup Mode Advanced Constant On-Time Control Fast Transient Responses Optimized for Low-ESR Ceramic Output Capacitors Thermal Shutdown with Recovery Distributed Power Systems Networking Systems Digital Set Top Box LCD TVs Notebook Computers