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ADP3168JRU-REEL

更新时间： 2024-11-29 22:19:59

品牌	Logo	应用领域
亚德诺 - ADI		稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数	文件大小	规格书
24页	1182K
描述
6-Bit, Programmable 2-, 3-, 4-Phase Synchronous Buck Controller

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ADP3168JRU-REEL 数据手册

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

Synchronous Buck Controller

ADP3168

FEATURES

FUNCTIONAL BLOCK DIAGRAM

VCC

RAMPADJ RT

14 13

Selectable 2-, 3-, or 4-phase operation at up to

1 MHz per phase

ADP3168

10 mV worst-case differential sensing error over

temperature

Logic-level PWM outputs for interface to

external high power drivers

Active current balancing between all output phases

Built-in Power Good/crowbar blanking supports

On-the-fly VID code changes

6-bit digitally programmable 0.8375 V to 1.6 V output

Programmable short-circuit protection with

programmable latch-off delay

UVLO

SHUTDOWN

AND BIAS

OSCILLATOR

SET EN

PWM1

CMP

RESET

GND

DAC

+150mV

RESET

PWM2

CMP

CURRENT-

BALANCING

CIRCUIT

2-, 3-, 4-PHASE

DRIVER LOGIC

CSREF

PWM3

RESET

CMP

DAC

–250mV

PWM4

CMP RESET

APPLICATIONS

PWRGD

DELAY

CROWBAR

Desktop PC power supplies for:

Next generation Intel® processors

VRM modules

CURRENT

LIMIT

SW1

SW2

SW3

GENERAL DESCRIPTION

ILIMIT

SW4

The ADP3168 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 Intel processors. It uses an internal 6-bit DAC to

read a voltage identification (VID) code directly from the

processor, which is used to set the output voltage between

0.8375 V and 1.6 V, and uses a multimode PWM architecture to

drive the logic-level outputs at a programmable switching

frequency that can be optimized for VR size and efficiency. The

phase relationship of the output signals can be programmed to

provide 2-, 3-, or 4-phase operation, allowing for the construc-

tion of up to four complementary buck switching stages.

CSSUM

CURRENT-

LIMIT

CIRCUIT

CSREF

DELAY

CSCOMP

SOFT-

START

COMP

PRECISION

VID

DAC

REFERENCE

The ADP3168 also 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 ADP3168 also provides accurate and

reliable short-circuit protection, adjustable current limiting, and

a delayed Power Good output that accommodates on-the-fly

output voltage changes requested by the CPU.

FBRTN

VID4 VID3 VID2 VID1 VID0 VID5

Figure 1.

The device is specified over the commercial temperature range

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

Rev. B

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 that may result from its use.

Specifications subject to change without notice. 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 owners.

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

12 3 4 5 6 7...24

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ADP3168JRU-REEL 替代型号

型号	品牌	替代类型	描述	数据表
ADP3168JRUZ-REEL	ADI	功能相似	6-Bit, Programmable 2-, 3-, 4-Phase Synchronous Buck Controller
ADP3168JRU-REEL7	ADI	功能相似	6-Bit, Programmable 2-, 3-, 4-Phase Synchronous Buck Controller

与ADP3168JRU-REEL相关器件

型号	品牌	获取价格	描述	数据表
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
ADP3170	ADI	获取价格	VRM 8.5 Compatible Single Phase Core Controller
ADP3170JRU	ADI	获取价格	VRM 8.5 Compatible Single Phase Core Controller
ADP3170JRU-REEL	ADI	获取价格	暂无描述
ADP3170JRU-REEL7	ADI	获取价格	IC SWITCHING CONTROLLER, PDSO20, TSSOP-20, Switching Regulator or Controller
ADP3170JRUZ-REEL	ADI	获取价格	IC SWITCHING CONTROLLER, PDSO20, TSSOP-20, Switching Regulator or Controller
ADP3170JRUZ-REEL	ONSEMI	获取价格	IC SWITCHING CONTROLLER, PDSO20, TSSOP-20, Switching Regulator or Controller
ADP3170JRUZ-REEL7	ONSEMI	获取价格	SWITCHING CONTROLLER, PDSO20, TSSOP-20

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