7-Bit, Programmable, 3-Phase, Mobile CPU Synchronous Buck Controller

The APD3212A/NCP3218A is a highly efficient, multi−phase, synchronous buck switching regulator controller. With its integrated drivers, the APD3212A/NCP3218A is optimized for converting the notebook battery voltage into the core supply voltage required by high performance Intel processors.

Features

•Single−Chip Solution

•Fully Compatible with the Intel® IMVP−6.5 Specifications

•Selectable 1−, 2−, or 3−Phase Operation with Up to 1 MHz per Phase Switching Frequency

•Phase 1 and Phase 2 Integrated MOSFET Drivers

•Input Voltage Range of 3.3 V to 22 V

•Guaranteed ±8 mV Worst−Case Differentially Sensed Core Voltage Error Over Temperature

•Automatic Power−Saving Mode Maximizes Efficiency with Light Load During Deeper Sleep Operation

•Active Current Balancing Between Output Phases

•Independent Current Limit and Load Line Setting

Inputs for Additional Design Flexibility

Applications

•Notebook Power Supplies for Next−Generation Intel Processors

•Built−In Power−Good Blanking Supports Voltage Identification (VID) On−The−Fly (OTF) Transients

•7−Bit, Digitally Programmable DAC with 0.3 V to 1.5 V Output

•Short−Circuit Protection with Programmable Latchoff Delay

•Clock Enable Output Delays the CPU Clock Until the Core Voltage is Stable

•Output Power or Current Monitor Options

•48−Lead QFN 7x7mm (ADP3212A), 48−Lead QFN 6x6mm (NCP3218A)

•These are Pb−Free Devices

•Fully RoHS Compliant

ADP3212A属于集成电路（IC） > 特殊用途稳压器。安森美半导体公司制造生产的ADP3212A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。