Datasheet > ADP3208DJCPZ-RL

ADP3208DJCPZ-RL

更新时间： 2024-12-01 08:19:35

品牌	Logo	应用领域
安森美 - ONSEMI		控制器手机
页数	文件大小	规格书
37页	812K
描述
7-Bit, Programmable, Dual-Phase, Mobile, CPU, Synchronous Buck Controller

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ADP3208DJCPZ-RL 数据手册

ADP3208D

7-Bit, Programmable,

Dual-Phase, Mobile, CPU,

Synchronous Buck

Controller

The ADP3208D is a highly efficient, multiphase, synchronous buck

switching regulator controller. With its integrated drivers, the

ADP3208D is optimized for converting the notebook battery voltage

into the core supply voltage required by high performance Intel

processors. An internal 7−bit DAC is used to read a VID code directly

from the processor and to set the CPU core voltage to a value within

the range of 0.3 V to 1.5 V. The phase relationship of the output signals

ensures interleaved 2−phase operation.

http://onsemi.com

LFCSP48

CASE 932AD

MARKING DIAGRAM

The ADP3208D uses a multi−mode architecture run at a

programmable switching frequency and optimized for efficiency

depending on the output current requirement. The ADP3208D

switches between single− and dual−phase operation to maximize

efficiency with all load conditions. The chip includes a programmable

load line slope function to adjust the output voltage as a function of the

load current so that the core voltage is always optimally positioned for

a load transient. The ADP3208D also provides accurate and reliable

short−circuit protection, adjustable current limiting, and a delayed

power−good output. The IC supports On−The−Fly (OTF) output

voltage changes requested by the CPU.

ADP3208D

AWLYYWWG

= Assembly Location

= Wafer Lot

YYWW = Date Code

= Pb−Free Package

The ADP3208D is specified over the extended commercial

temperature range of −10°C to 100°C and is available in a 48−lead

LFCSP.

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 36 of this data sheet.

Features

• Single−Chip Solution

• Short−Circuit Protection with Latchoff Delay

• Fully Compatible with the Intel IMVP−6+t

• Clock Enable Output Delays the CPU Clock Until the

Specifications

Core Voltage is Stable

• Integrated MOSFET Drivers

• Input Voltage Range of 3.3 V to 22 V

• Selectable 1− or 2−Phase Operation with Up to 1 MHz

per Phase Switching Frequency

• Guaranteed 8 mV Worst−Case Differentially Sensed

Core Voltage Error Overtemperature

• Output Load Current Monitor

• This is a Pb−Free Device

Applications

• Notebook Power Supplies for Next Generation

Intel Processors

• Automatic Power−Saving Mode Maximizes Efficiency

with Light Load During Deeper Sleep Operation

• Soft Transient Control Reduces Inrush Current and

Audio Noise

• Active Current Balancing Between Output Phases

• Independent Current Limit and Load Line Setting

Inputs for Additional Design Flexibility

• Built−In Power−Good Blanking Supports Voltage

Identification (VID) OTF Transients

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

1.5 V Output

Publication Order Number:

February, 2010 − Rev. 0

ADP3208D/D

12 3 4 5 6 7...37

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与ADP3208DJCPZ-RL相关器件

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ADP3210	ONSEMI	获取价格	7-Bit Programmable Multiphase Mobile CPU Synchronous
ADP3210MNR2G	ONSEMI	获取价格	7-Bit Programmable Multiphase Mobile CPU Synchronous
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