Datasheet > ADP3164JRU-REEL

ADP3164JRU-REEL

更新时间： 2024-11-29 21:19:23

品牌	Logo	应用领域
亚德诺 - ADI		开关光电二极管
页数	文件大小	规格书
16页	153K
描述
IC SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, PDSO20, TSSOP-20, Switching Regulator or Controller

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ADP3164JRU-REEL 数据手册

5-Bit Programmable 4-Phase

Synchronous Buck Controller

ADP3164

FEATURES

FUNCTIONAL BLOCK DIAGRAM

VCC

ADOPT™ Optimal Positioning Technology for Superior

Load Transient Response and Fewest Output

Capacitors

Complies with VRM 9.1 with Lowest System Cost

4-Phase Operation at up to 500 kHz per Phase

Quad Logic-Level PWM Outputs for Interface to

External High-Power Drivers

ADP3164

SET

PWM1

PWM2

PWM3

PWM4

UVLO

& BIAS

4-PHASE

DRIVER

LOGIC

RESET

CROWBAR

3.0V

REFERENCE

REF

PGND

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

GND

DAC + 20%

OSCILLATOR

POWER

GOOD

PWRGD

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

CMP

DAC – 20%

CS–

CS+

CMP

COMP

APPLICATIONS

SOFT

START

Desktop PC Power Supplies for:

Intel Pentium^®4 Processors

VRM Modules

VID

DAC

VID4 VID3 VID2 VID1 VID0

GENERAL DESCRIPTION

The ADP3164 also uses a unique supplemental regulation tech-

nique called active voltage positioning (ADOPT) to enhance

load transient performance. Active voltage positioning results in

a dc/dc converter that meets the stringent output voltage specifi-

cations for high-performance processors, with the minimum

number of output capacitors and smallest footprint. Unlike

voltage-mode and standard current-mode architectures, active

voltage positioning adjusts the output voltage as a function of the

load current so that it is always optimally positioned for a system

transient. The ADP3164 also provides accurate and reliable short

circuit protection, adjustable current limiting, and an enhanced

Power Good output that can detect open outputs in any phase for

single or multi-VRM systems.

The ADP3164 is a highly efficient 4-phase synchronous buck

switching regulator controller optimized for converting a 12 V

main supply into the core supply voltage required by high per-

formance Intel processors. The ADP3164 uses an internal 5-bit

DAC to read a voltage identification (VID) code directly from

the processor, which is used to set the output voltage between

1.1 V and 1.85 V. The ADP3164 uses a current mode PWM

architecture to drive the logic-level outputs at a programmable

switching frequency that can be optimized for VRM size and

efficiency. The four output phases share the dc output current

to reduce overall output voltage ripple. An active current bal-

ancing function ensures that all phases carry equal portions of

the total load current, even under large transient loads, to mini-

mize the size of the inductors.

The ADP3164 is specified over the commercial temperature

range of 0°C to 70°C and is available in a 20-lead TSSOP package.

ADOPT is a trademark of Analog Devices, Inc.

Pentium is a registered trademark of Intel Corporation.

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, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat

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

www.analog.com

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与ADP3164JRU-REEL相关器件

型号	品牌	获取价格	描述	数据表
ADP3164JRUZ-REEL7	ADI	获取价格	IC SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, PDSO20, TSSOP-20, Switching Regulato
ADP3164JRUZ-REEL7	ONSEMI	获取价格	SWITCHING CONTROLLER, 4000kHz SWITCHING FREQ-MAX, PDSO20, TSSOP-20
ADP3164RU-REEL7	ONSEMI	获取价格	IC SWITCHING CONTROLLER, Switching Regulator or Controller
ADP3164RUZ-R7	ONSEMI	获取价格	IC SWITCHING CONTROLLER, Switching Regulator or Controller
ADP3166	ADI	获取价格	5-Bit Programmable 2-, 3-, 4-Phase Synchronous Buck Controller
ADP3166JRU-REEL	ADI	获取价格	5-Bit Programmable 2-, 3-, 4-Phase Synchronous Buck Controller
ADP3166JRU-REEL7	ADI	获取价格	5-Bit Programmable 2-, 3-, 4-Phase Synchronous Buck Controller
ADP3166JRUZ-REEL	ADI	获取价格	IC SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, PDSO28, TSSOP-28, Switching Regulato
ADP3167	ETC	获取价格	ADP3160/ADP3167: 5-Bit Programmable 2-Phase Synchronous Buck Controller Data Sheet (Rev.
ADP3167JR	ROCHESTER	获取价格	DUAL SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO16, SOIC-16

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