GENERAL DESCRIPTION

The ADP3163 is a highly efficient multiphase synchronous buck switching regulator controller optimized for converting a 5 V or 12 V main supply into the core supply voltage required by high performance Intel processors.

FEATURES

ADOPT™ Optimal Positioning Technology for Superior

Load Transient Response and Fewest Output

Capacitors

Complies with VRM 9.0 and Intel VR Down Guideline

with Lowest System Cost

Digitally Selectable 2- or 3-Phase Operation

at up to 500 kHz per Phase

Quad Logic-level PWM Outputs for Interface to

External High-Power Drivers

Active Current Balancing between All Output Phases

Accurate Multiple VRM Module Current Sharing

5-Bit Digitally Programmable 1.1 V to 1.85 V Output

Total Output Accuracy ±0.8 Over Temperature

Current-Mode Operation

Short Circuit Protection

Enhanced Power Good Output Detects Open Outputs in

Multi-VRM Power Systems

Overvoltage Protection Crowbar Protects Microprocessors

with No Additional External Components

APPLICATIONS

Desktop PC Power Supplies for:

Intel Pentium® 4 Processors

AMD Athlon Processors

VRM Modules

ADP3163属于集成电路（IC） > 特殊用途稳压器。亚德诺半导体技术有限公司制造生产的ADP3163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。