NCP5314中文资料两相/三相/四相降压 CPU 控制器数据手册ONSEMI规格书

描述 Description

NCP5314 提供全功能和灵活控制，用于最新的高性能 CPU。 该集成电路可编程为两相、三相或四相降压控制器，每相开关频率可高至 1.2MHz。该控制器结合外部门极驱动器和电源组件，实施了一个紧凑、高度集成的多相降压变压器。

特性 Features

• Switching Regulator Conroller
• Programmable 2/3/4 Phase Operation
• Lossless Current Sensing
• Enhanced V2 Control Method Provides Fast Transient Response
• Programmable up to 1.2 MHz Switching Frequency Per Phase
• 0 to 100% Adjustment of Duty Cycle
• Programmable Adaptive Voltage Positioning Reduces Output Capacitor Requirements
• Programmable Soft Start
• Current Sharing
• Differential Current Sense Pins for Each Phase
• Current Sharing Within 10% Between Phases
• Protection Features
• Programmable Pulse-by-Pulse Current Limit for Each Phase
• Latching Off Overvoltage Protection
• Programmable Latching Overcurrent Protection
• Undervoltage Lockout
• External Enable Control
• Three-State MOSFET Driver Control through Driver-On Signal
• System Power Management
• 6-Bit DAC with 0.5% Tolerance Compatible with VR(M) 10.x Specification
• Programmable Lower Power Good Threshold
• Power Good Output

简介

NCP5314属于集成电路（IC）的特殊用途稳压器。由制造生产的NCP5314特殊用途稳压器该系列产品用于电源控制、某种形式的转换，适用于特定的复杂应用。因此，各种产品特性集差异较大，包括空燃比传感器接口、汽车交流发电机电压调节、DDR 端接、液体透镜控制、摩托车转向信号控制、热电 (peltier) 冷却器控制、压电触觉控制、阀门控制、小型发动机管理等。