ADP3152AR

更新时间： 2024-11-28 22:39:03

品牌	Logo	应用领域
亚德诺 - ADI		开关控制器
页数	文件大小	规格书
12页	277K
描述
5-Bit Programmable Synchronous Switching Regulator Controller for Pentium II Processor

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ADP3152AR 数据手册

5-Bit Programmable Synchronous

Switching Regulator Controller

for Pentium^®II Processor

ADP3152

FEATURES

GENERAL DESCRIPTION

5-Bit Digitally Programmable 1.8 V to 3.5 V Output

Voltage

Dual N-Channel Synchronous Driver

Total Output Accuracy ؎1% (0؇C to 70؇C)

High Efficiency

The ADP3152 is a highly efficient synchronous switching regu-

lator controller optimized for Pentium II Processor applications

where 5 V is stepped down to a digitally controlled output volt-

age between 1.8 V and 3.5 V. Using a 5-bit DAC to read a

voltage identification (VID) code directly from the processor,

the ADP3152 uses a current mode constant off-time architec-

ture to generate its precise output voltage.

Current-Mode Operation

Short Circuit Protection

Power Good Output

Integrated Overvoltage Protection Crowbar

16-Lead SOIC Package

The ADP3152 drives two N-channel MOSFETS in a synchro-

nous rectified buck converter, at a maximum switching fre-

quency of 250 kHz. Using the recommended loop compensation

and guidelines, the ADP3152 provides a dc/dc converter that

meets Intel’s stringent transient specifications with a minimum

number of output capacitors and smallest footprint. Additionally,

the current mode architecture also provides guaranteed short

circuit protection and adjustable current limiting.

VRM 8.2 Compatible

APPLICATIONS

Desktop PC Power Supply for:

Pentium II Processor

Pentium Pro Processor

Pentium Processor

AMD–K6 Processor

VRM Modules

+12V

+5V

1␮F

22␮F

DRIVE1

SENSE

IRL3103

ADP3152

2.5␮H

6.7m⍀

1.8V–3.5V

14A

CMP

SENSE+

SENSE–

1nF

COMP

150pF

10BQ015

AGND

DRIVE2

PGND

IRL3103

VID0–VID4

5-BIT CODE

Figure 1. Typical Application

Pentium is a registered trademark of Intel Corporation.

All other trademarks are the property of their respective holders.

REV. 0

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, nor for any infringements of patents or other rights of third parties

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

World Wide Web Site: http://www.analog.com

12 3 4 5 6 7...12

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与ADP3152AR相关器件

型号	品牌	获取价格	描述	数据表
ADP3152AR-REEL	ADI	获取价格	IC SWITCHING CONTROLLER, 250 kHz SWITCHING FREQ-MAX, PDSO16, SOIC-16, Switching Regulator
ADP3153	ADI	获取价格	5-Bit Programmable Dual Power Supply Controller for Pentium II Processor
ADP3153ARU	ADI	获取价格	5-Bit Programmable Dual Power Supply Controller for Pentium II Processor
ADP3153ARU-REEL	ADI	获取价格	IC SWITCHING CONTROLLER, 250 kHz SWITCHING FREQ-MAX, PDSO20, TSSOP-20, Switching Regulator
ADP3153ARU-REEL7	ADI	获取价格	IC SWITCHING CONTROLLER, 250 kHz SWITCHING FREQ-MAX, PDSO20, TSSOP-20, Switching Regulator
ADP3154	ADI	获取价格	5-Bit Programmable Dual Power Supply Controller for Pentium III Processors
ADP3154JRU	ADI	获取价格	5-Bit Programmable Dual Power Supply Controller for Pentium III Processors
ADP3154JRU-REEL	ROCHESTER	获取价格	DUAL SWITCHING CONTROLLER, PDSO20, TSSOP-20
ADP3154JRU-REEL7	ADI	获取价格	IC DUAL SWITCHING CONTROLLER, PDSO20, TSSOP-20, Switching Regulator or Controller
ADP3155	ADI	获取价格	5-Bit Programmable Triple Power Supply Controller for Pentium III Processors

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