Datasheet > ISL6620

ISL6620

更新时间： 2024-01-08 01:11:48

品牌	Logo	应用领域
英特矽尔 - INTERSIL		监控控制器
页数	文件大小	规格书
30页	560K
描述
VR11.1, 4-Phase PWM Controller with Light Load Efficiency Enhancement and Load Current Monitoring

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ISL6620 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	零件包装代码：	SOIC
包装说明：	SOP, SOP8,.25	针数：	8
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.34
高边驱动器：	YES	接口集成电路类型：	AND GATE BASED MOSFET DRIVER
JESD-30 代码：	R-PDSO-G8	JESD-609代码：	e3
长度：	4.9 mm	湿度敏感等级：	3
功能数量：	1	端子数量：	8
最高工作温度：	85 °C	最低工作温度：	-40 °C
标称输出峰值电流：	4 A	封装主体材料：	PLASTIC/EPOXY
封装代码：	SOP	封装等效代码：	SOP8,.25
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
峰值回流温度（摄氏度）：	260	电源：	5 V
认证状态：	Not Qualified	座面最大高度：	1.75 mm
子类别：	MOSFET Drivers	最大供电电压：	5.5 V
最小供电电压：	4.5 V	标称供电电压：	5 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子面层：	Matte Tin (Sn) - annealed	端子形式：	GULL WING
端子节距：	1.27 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	3.9 mm
Base Number Matches：	1

ISL6620 数据手册

ISL6334, ISL6334A

Data Sheet

February 26, 2008

FN6482.0

VR11.1, 4-Phase PWM Controller with

Light Load Efficiency Enhancement and

Load Current Monitoring Features

Features

• Intel VR11.1 Compliant

• Proprietary Active Pulse Positioning (APP) and Adaptive

Phase Alignment (APA) Modulation Scheme

The ISL6334, ISL6334A control microprocessor core voltage

regulation by driving up to 4 interleaved synchronous-rectified

buck channels in parallel. This multiphase architecture results

in multiplying channel ripple frequency and reducing input and

output ripple currents. Lower ripple results in fewer

components, lower cost, reduced power dissipation, and

smaller implementation area.

• Proprietary Active Phase Adding and Dropping with Diode

Emulation Scheme For High Light Load Efficiency

• Precision Multiphase Core Voltage Regulation

- Differential Remote Voltage Sensing

- ±0.5% Closed-loop System Accuracy Over Load, Line

and Temperature

Microprocessor loads can generate load transients with

extremely fast edge rates and requires high efficiency at light

load. The ISL6334, ISL6334A utilizes Intersil’s proprietary

Active Pulse Positioning (APP), Adaptive Phase Alignment

(APA) modulation scheme, active phase adding and

dropping to achieve and maintain the extremely fast

transient response with fewer output capacitors and high

efficiency from light to full load.

- Bi-directional, Adjustable Reference-Voltage Offset

• Precision resistor or DCR Differential Current Sensing

- Accurate Load-Line (Droop) Programming

- Accurate Channel-Current Balancing

- Accurate Load Current Monitoring via IMON Pin

• Microprocessor Voltage Identification Input

- Dynamic VID™ Technology for VR11.1 Requirement

- 8-Bit VID, VR11 Compatible

The ISL6334, ISL6334A is designed to be completely

compliant with Intel VR11.1 specifications. It accurately

reports the load current via IMON pin to the microprocessor,

which sends an active low PSI# signal to the controller at low

power mode. The controller then enters 1- or 2-phase

operation with diode emulation option to reduce magnetic

core and switching losses, yielding high efficiency at light

load. After the PSI# signal is de-asserted, the dropped

phase(s) are added back to sustain heavy load transient

response and efficiency.

• Average Overcurrent Protection and Channel Current Limit

• Precision Overcurrent Protection on IMON Pin

• Thermal Monitoring and Overvoltage Protection

• Integrated Programmable Temperature Compensation

• Integrated Open Sense Line Protection

• 1- to 4-Phase Operation, Coupled Inductor Compatibility

• Adjustable Switching Frequency up to 1MHz Per Phase

• Package Option

Today’s microprocessors require a tightly regulated output

voltage position versus load current (droop). The ISL6334,

ISL6334A senses the output current continuously by utilizing

patented techniques to measure the voltage across the

dedicated current sense resistor or the DCR of the output

inductor. The sensed current flows out of FB pin to develop the

precision voltage drop across the feedback resistor for droop

control. Current sensing circuits also provide the needed

signals for channel-current balancing, average overcurrent

protection and individual phase current limiting. An NTC

thermistor’s temperature is sensed via TM pin and internally

digitized for thermal monitoring and for integrated thermal

compensation of the current sense elements.

- QFN Compliant to JEDEC PUB95 MO-220 QFN - Quad

Flat No Leads - Product Outline

• Pb-Free (RoHS Compliant)

A unity gain, differential amplifier is provided for remote voltage

sensing and completely eliminates any potential difference

between remote and local grounds. This improves regulation

and protection accuracy. The threshold-sensitive enable input is

available to accurately coordinate the start-up of the ISL6334,

ISL6334A with any other voltage rail. Dynamic-VID™

technology allows seamless on-the-fly VID changes. The

offset pin allows accurate voltage offset settings that are

independent of VID setting.

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.

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与ISL6620相关器件

型号	品牌	描述	获取价格	数据表
ISL6620A	INTERSIL	VR11.1, 4-Phase PWM Controller with Light Load Efficiency Enhancement and Load Current Mon	获取价格
ISL6620ACBZ	INTERSIL	VR11.1 Compatible Synchronous Rectified Buck MOSFET Drivers	获取价格
ISL6620ACBZ	RENESAS	VR11.1 Compatible Synchronous Rectified Buck MOSFET Drivers; DFN10, SOIC8; Temp Range: 0&a	获取价格
ISL6620ACRZ	INTERSIL	VR11.1 Compatible Synchronous Rectified Buck MOSFET Drivers	获取价格
ISL6620AIBZ	INTERSIL	VR11.1 Compatible Synchronous Rectified Buck MOSFET Drivers	获取价格
ISL6620AIBZ	RENESAS	4A AND GATE BASED MOSFET DRIVER, PDSO8, ROHS COMPLIANT, PLASTIC, MS-012AA, SOIC-8	获取价格

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