Datasheet > ADP3166JRUZ-REEL

ADP3166JRUZ-REEL

更新时间： 2024-09-23 20:06:47

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
20页	338K
描述
IC SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, PDSO28, TSSOP-28, Switching Regulator or Controller

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ADP3166JRUZ-REEL 数据手册

5-Bit Programmable 2-, 3-, 4-Phase

Synchronous Buck Controller

ADP3166^*

FEATURES

FUNCTIONAL BLOCK DIAGRAM

Selectable 2-, 3- or 4-Phase Operation at up to

1 MHz per Phase

VCC

RAMPADJ RT

Differential Sensing Error 1% over Temperature

Logic-Level PWM Outputs for Interface to

External High Power Drivers

Active Current Balancing between All Output Phases

Built-in Power Good Blanking Supports On-the-Fly

VID Code Changes

5-Bit Digitally Programmable 0.8 V to 1.55 V Output

Short-Circuit Protection with Programmable

Latch-Off Delay

ADP3166

UVLO

SHUTDOWN

AND BIAS

OSCILLATOR

SET

RESET

27 PWM1

26 PWM2

25 PWM3

CMP

–

GND

CROWBAR

RESET

2-, 3-, 4-PHASE

DRIVER LOGIC

CMP

–

CURRENT

BALANCING

CIRCUIT

CSREF

2.1V

–

RESET

CMP

–

DAC + 300mV

CSREF

RESET

PWM4

CURRENT

CMP

Overvoltage Protection Crowbar Logic Output

–

CROWBAR

–

LIMIT

APPLICATIONS

DAC – 300mV

Desktop PC Power Supplies

Next-Generation AMD Processors

VRM Modules

SW1

SW2

SW3

SW4

PWRGD 10

DELAY

GENERAL DESCRIPTION

ILIMIT

The ADP3166 is a highly efficient, multiphase, synchronous

buck switching regulator controller optimized for converting a

12 V main supply into the core supply voltage required by high

performance AMD processors. It uses an internal 5-bit DAC to

read a voltage identification (VID) code directly from the pro-

cessor, which is used to set the output voltage between 0.8 V

and 1.55 V. The ADP3166 also uses a multimode PWM

architecture to drive the logic-level outputs at a programmable

switching frequency that can be optimized for VRM size and

efficiency. The phase relationship of the output signals can be

programmed to provide 2-, 3-, or 4-phase operation, allowing

for the construction of up to four complementary buck switch-

ing stages.

–

CSSUM

CSREF

CURRENT

LIMIT

CIRCUIT

DELAY

COMP

CSCOMP

SOFT

START

–

PRECISION

REFERENCE

VID

DAC

FBRTN

VID4 VID3 VID2 VID1 VID0

The ADP3166 includes programmable no-load offset and slope

functions to adjust the output voltage as a function of the load

current so that it is always optimally positioned for a system

transient. The ADP3166 also provides accurate and reliable

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

power good output that accommodates on-the-fly output volt-

age changes requested by the CPU.

ADP3166 is specified over the commercial temperature range of

0°C to 85°C and is available in a 28-lead TSSOP package.

*Patent pending

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. Trademarks and

registered trademarks are the property of their respective companies.

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ADP3166JRUZ-REEL相关器件

型号	品牌	获取价格	描述	数据表
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
ADP3167JR	ADI	获取价格	5-Bit Programmable 2-Phase Synchronous Buck Controller
ADP3167JR-REEL	ADI	获取价格	IC DUAL SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO16, SOIC-16, Switching Regu
ADP3167JR-REEL7	ROCHESTER	获取价格	DUAL SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO16, SOIC-16
ADP3168	ADI	获取价格	6-Bit, Programmable 2-, 3-, 4-Phase Synchronous Buck Controller
ADP3168JRU-REEL	ADI	获取价格	6-Bit, Programmable 2-, 3-, 4-Phase Synchronous Buck Controller
ADP3168JRU-REEL7	ADI	获取价格	6-Bit, Programmable 2-, 3-, 4-Phase Synchronous Buck Controller
ADP3168JRUZ-REEL	ADI	获取价格	6-Bit, Programmable 2-, 3-, 4-Phase Synchronous Buck Controller
ADP3168JRUZ-REEL7	ADI	获取价格	IC SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, PDSO28, MO-153AE, TSSOP-28, Switchin

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