EN5394QI数据手册Enpirion中文资料规格书

描述 Description

The EN5394QI is a voltage-mode synchronous buck PWM DC-to-DC Converter with integrated inductor, PWM controller, MOSFETS and compensation providing the smallest possible solution size in a 68-pin QFN module. The switching frequency can be synchronized to an external clock or other EN5394QIs with the added capability of phasing multiple EN5394QIs as desired. Other features include precision enable threshold, pre-bias monotonic start-up, margining and parallel operation. EN5394QI is specifically designed to meet the precise voltage and fast transient requirements of present and future high-performance applications such as set-top boxes/HD DVRs, LAN/SAN adapter cards, audio/video equipment, optical networking, multi-function printers, storage and servers. Advanced circuit techniques, ultra-high switching frequency and very advanced, high-density, integrated circuit and proprietary inductor technology deliver high quality, ultra-compact and non-isolated DC-DC conversion.

特性 Features

·Output voltage margining\r
·Monotonic output voltage ramp during startup with pre-biased loads\r
·Precision enable pin for accurate sequencing of power converters and power ok signal\r
·Programmable soft-start time\r
·Soft shutdown\r
·Programmable phase delays between synchronized units to allow reduction of input ripple\r
·Master/slave configuration for paralleling multiple EN5394's for greater power output\r
·Undervoltage lockout, overcurrent, short-circuit and thermal protection\r
·Up to 93% high efficiency\r
·>30W Continuous output power\r

应用 Application

电源管理, 计算机和计算机周边, 通信与网络, 测试与测量, 音频, 成像, 视频和目视, 消费电子产品