Datasheet > ADP3189JCPZ-RL

ADP3189JCPZ-RL

更新时间： 2024-11-29 21:53:43

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
36页	1415K
描述
8-Bit Programmable 2- to 5-Phase Synchronous Buck Controller

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ADP3189JCPZ-RL 数据手册

8-Bit Programmable 2- to 5-Phase

Synchronous Buck Controller

ADP3189

This device uses a multi-mode PWM architecture to drive the

logic-level outputs at a programmable switching frequency that

can be optimized for VR size and efficiency. The phase relation-

ship of the output signals can be programmed to provide 2-, 3-,

4-, or 5-phase operation, allowing for the construction of up to

five complementary buck switching stages.

FEATURES

Selectable 2-, 3-, 4-, or 5-phase operation at up

to 1 MHz per phase

±±7± ꢀV worst-case differential sensing error over

teꢀperature

Logic-level PWM outputs for interface to external

high-power drivers

The ADP3189 also includes programmable no-load offset and

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

load current, so it is optimally positioned for a system transient.

The ADP3189 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.

Active current balancing between all output phases

Built-in power good/crowbar blanking supports on-the-fly

VID code changes

Digitally prograꢀꢀable 075 V to 176 V output— supports

both VR107x and VR11 specifications

Prograꢀꢀable short-circuit protection with prograꢀꢀable

latch-off delay

ADP3189 is specified over the extended commercial tem-

perature range of 0°C to +85°C and is available in a

40-lead LFCSP package.

APPLICATIONS

Desktop PC power supplies for

Next generation Intel® processors

VRM ꢀodules

¹Protected by U.S. Patent Number 6,683,441; others pending.

GENERAL DESCRIPTION

The ADP3189¹is a highly efficient multi-phase 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 8-bit DAC to

read a voltage identification (VID) code directly from the

processor, which is used to set the output voltage between 0.5 V

and 1.6 V.

Rev7 0

Inforꢀation furnished by Analog Devices is believed to be accurate and reliable7 However, no

responsibility is assuꢀed by Analog Devices for its use, nor for any infringeꢀents of patents or other

rights of third parties that ꢀay result froꢀ its use7 Specifications subject to change without notice7 No

license is granted by iꢀplication or otherwise under any patent or patent rights of Analog Devices7

Tradeꢀarks and registeredtradeꢀarks arethe property of their respective owners7

One Technology Way, P7O7 Box 9106, Norwood, MA 02062-9106, U7S7A7

Tel: ±81732974±00

Fax: ±81746173113

www7analog7coꢀ

12 3 4 5 6 7...36

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与ADP3189JCPZ-RL相关器件

型号	品牌	获取价格	描述	数据表
ADP3189JCPZ-RLZ	ADI	获取价格	8-Bit Programmable 2- to 5-Phase Synchronous Buck Controller
ADP3190	ADI	获取价格	6-Bit, Programmable 2-/3-/4-Phase, Synchronous Buck Controller
ADP3190AJRQZ-RL	ADI	获取价格	6-Bit, Programmable 2-/3-/4-Phase, Synchronous Buck Controller
ADP3190AJRUZ-RL	ADI	获取价格	6-Bit, Programmable 2-/3-/4-Phase, Synchronous Buck Controller
ADP3190JRQZ-RL	ADI	获取价格	6-Bit, Programmable 2-/3-/4-Phase, Synchronous Buck Controller
ADP3190JRQZ-RL	ONSEMI	获取价格	SWITCHING CONTROLLER, 4000kHz SWITCHING FREQ-MAX, PDSO28, LEAD FREE, MO-137AF, QSOP-28
ADP3190JRUZ-RL	ADI	获取价格	6-Bit, Programmable 2-/3-/4-Phase, Synchronous Buck Controller
ADP3191	ADI	获取价格	6-Bit, Programmable 2-/3-/4-Phase, Synchronous Buck Controller
ADP3191AJRQZ-RL	ADI	获取价格	6-Bit, Programmable 2-/3-/4-Phase, Synchronous Buck Controller
ADP3191AJRQZ-RL	ROCHESTER	获取价格	SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO28, LEAD FREE, MO-137AF, QSOP-28

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