Datasheet > ISL6566CRZAR5184

ISL6566CRZAR5184

更新时间： 2024-11-12 03:09:27

品牌	Logo	应用领域
英特矽尔 - INTERSIL		驱动器开关控制器
页数	文件大小	规格书
29页	795K
描述
Three-Phase Buck PWM Controller with Integrated MOSFET Drivers for VRM9, VRM10, and AMD Hammer Applications

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ISL6566CRZAR5184 数据手册

ISL6566

Data Sheet

March 9, 2006

FN9178.4

Three-Phase Buck PWM Controller with

Integrated MOSFET Drivers for VRM9,

VRM10, and AMD Hammer Applications

Features

• Integrated Multi-Phase Power Conversion

- 1, 2, or 3-Phase Operation

The ISL6566 three-phase PWM control IC provides a

precision voltage regulation system for advanced

microprocessors. The integration of power MOSFET drivers

into the controller IC marks a departure from the separate

PWM controller and driver configuration of previous multi-

phase product families. By reducing the number of external

parts, this integration is optimized for a cost and space

saving power management solution.

• Precision Core Voltage Regulation

- Differential Remote Voltage Sensing

- ±0.5% System Accuracy Over Temperature

- Adjustable Reference-Voltage Offset

• Precision Channel Current Sharing

- Uses Loss-Less r

Current Sampling

DS(ON)

• Accurate Load Line Programming

- Uses Loss-Less Inductor DCR Current Sampling

Outstanding features of this controller IC include

programmable VID codes compatible with Intel VRM9,

VRM10, as well as AMD Hammer microprocessors. A unity

gain, differential amplifier is provided for remote voltage

sensing, compensating for any potential difference between

remote and local grounds. The output voltage can also be

positively or negatively offset through the use of a single

external resistor.

• Variable Gate Drive Bias: 5V to 12V

• Microprocessor Voltage Identification Inputs

- Up to a 6-Bit DAC

- Selectable between Intel’s VRM9, VRM10, or AMD

Hammer DAC Codes

- Dynamic VID Technology

• Overcurrent Protection

A unique feature of the ISL6566 is the combined use of both

• Multi-tiered Overvoltage Protection

• Digital Soft-Start

DCR and r

current sensing. Load line voltage

DS(ON)

positioning (droop) and overcurrent protection are

accomplished through continuous inductor DCR current

sensing, while r

channel-current balance. Using both methods of current

sampling utilizes the best advantages of each technique.

• Selectable Operation Frequency up to 1.5MHz Per Phase

• Pb-Free Plus Anneal Available (RoHS Compliant)

current sensing is used for accurate

DS(ON)

Pinout

ISL6566 (QFN)

Protection features of this controller IC include a set of

sophisticated overvoltage, undervoltage, and overcurrent

protection. Overvoltage results in the converter turning the

lower MOSFETs ON to clamp the rising output voltage and

protect the microprocessor. The overcurrent protection level

is set through a single external resistor. Furthermore, the

ISL6566 includes protection against an open circuit on the

remote sensing inputs. Combined, these features provide

advanced protection for the microprocessor and power

system.

TOP VIEW

40 39 38 37 36 35 34 33 32 31

VID1

VID0

BOOT1

PHASE1

PHASE2

UGATE2

BOOT2

ISEN2

VID12.5

VRM10

REF

GND

OFS

VCC

PVCC2

LGATE2

PHASE3

BOOT3

COMP

VDIFF

11 12 13 14 15 16 17 18 19 20

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

12 3 4 5 6 7...29

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ISL6566CRZAR5184 替代型号

型号	品牌	替代类型	描述	数据表
ISL6566CRZ-TR5184	INTERSIL	完全替代	Three-Phase Buck PWM Controller with Integrated MOSFET Drivers for VRM9, VRM10, and AMD Ha
ISL6566CRZA-TR5184	INTERSIL	完全替代	Three-Phase Buck PWM Controller with Integrated MOSFET Drivers for VRM9, VRM10, and AMD Ha

与ISL6566CRZAR5184相关器件

型号	品牌	获取价格	描述	数据表
ISL6566CRZA-T	INTERSIL	获取价格	Three-Phase Buck PWM Controller with Integrated MOSFET Drivers for VRM9, VRM10, and AMD Ha
ISL6566CRZA-TR5184	INTERSIL	获取价格	Three-Phase Buck PWM Controller with Integrated MOSFET Drivers for VRM9, VRM10, and AMD Ha
ISL6566CRZR5184	INTERSIL	获取价格	Three-Phase Buck PWM Controller with Integrated MOSFET Drivers for VRM9, VRM10, and AMD Ha
ISL6566CRZ-T	INTERSIL	获取价格	Three-Phase Buck PWM Controller with Integrated MOSFET Drivers for VRM9, VRM10, and AMD Ha
ISL6566CRZ-TR5184	INTERSIL	获取价格	Three-Phase Buck PWM Controller with Integrated MOSFET Drivers for VRM9, VRM10, and AMD Ha
ISL6566IR	INTERSIL	获取价格	Three-Phase Buck PWM Controller with Integrated MOSFET Drivers for VRM9, VRM10, and AMD Ha
ISL6566IR-T	INTERSIL	获取价格	Three-Phase Buck PWM Controller with Integrated MOSFET Drivers for VRM9, VRM10, and AMD Ha
ISL6566IRZ	INTERSIL	获取价格	Three-Phase Buck PWM Controller with Integrated MOSFET Drivers for VRM9, VRM10, and AMD Ha
ISL6566IRZA	INTERSIL	获取价格	Three-Phase Buck PWM Controller with Integrated MOSFET Drivers for VRM9, VRM10, and AMD Ha
ISL6566IRZA-T	INTERSIL	获取价格	Three-Phase Buck PWM Controller with Integrated MOSFET Drivers for VRM9, VRM10, and AMD Ha

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