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ISL6561IR

更新时间： 2024-01-18 17:59:15
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英特矽尔 - INTERSIL 多相元件控制器
页数 文件大小 规格书
26页 778K
描述
Multi-Phase PWM Controller with Precision Rds(on) or DCR Differential Current Sensing for VR10.X Application

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ISL6561IR 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：QFN包装说明：6 X 6 MM, PLASTIC, MO-220VJJD-2, MLFP, QFN-40
针数：40Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.13Is Samacsys：N
其他特性：ALSO OPERATES IN CURRENT MODE模拟集成电路 - 其他类型：SWITCHING CONTROLLER
控制模式：VOLTAGE-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：5.25 V最小输入电压：4.75 V
标称输入电压：5 VJESD-30 代码：S-PQCC-N40
JESD-609代码：e0长度：6 mm
湿度敏感等级：2功能数量：1
端子数量：40最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：0.0005 A
封装主体材料：PLASTIC/EPOXY封装代码：HVQCCN
封装等效代码：LCC40,.24SQ,20封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：240
认证状态：Not Qualified座面最大高度：1 mm
子类别：Switching Regulator or Controllers表面贴装：YES
切换器配置：PHASE-SHIFT最大切换频率：1500 kHz
温度等级：INDUSTRIAL端子面层：Tin/Lead (Sn/Pb)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：6 mmBase Number Matches：1

ISL6561IR 数据手册

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ISL6561  
®
Data Sheet  
May 12, 2005  
FN9098.5  
Multi-Phase PWM Controller with  
Features  
• Precision Multi-Phase Core Voltage Regulation  
Precision r  
or DCR Differential  
DS(ON)  
Current Sensing for VR10.X Application  
- Differential Remote Voltage Sensing  
The ISL6561 controls microprocessor core voltage regulation  
by driving up to 4 synchronous-rectified buck channels in  
parallel. Multi-phase buck converter architecture uses  
interleaved timing to multiply channel ripple frequency and  
reduce input and output ripple currents. Lower ripple results in  
fewer components, lower component cost, reduced power  
dissipation, and smaller implementation area.  
- ±0.5% System Accuracy Over Life, Load, Line and  
Temperature  
- Adjustable Reference-Voltage Offset  
• Precision r  
DS(ON)  
or DCR Current Sensing  
- Integrated Programmable Temperature Compensation  
- Accurate Load-Line Programming  
- Accurate Channel-Current Balancing  
- Differential Current Sense  
Microprocessor loads can generate load transients with  
extremely fast edge rates. The ISL6561 features a high  
bandwidth control loop and ripple frequencies of >4MHz to  
provide optimal response to the transients.  
- Low-Cost, Lossless Current Sensing  
• Internal Shunt Regulator for 5V or 12V Biasing  
• Microprocessor Voltage Identification Input  
- Dynamic VID™ technology  
Today’s microprocessors require a tightly regulated output  
voltage position versus load current (droop). The ISL6561  
senses current by utilizing patented techniques to measure  
- 6-Bit VID Input  
the voltage across the on resistance, r  
, of the lower  
- 0.8375V to 1.600V in 12.5mV Steps  
DS(ON)  
MOSFETs or DCR of the output inductor during the lower  
MOSFET conduction intervals. Current sensing provides the  
needed signals for precision droop, channel-current  
balancing, and overcurrent protection.  
• Threshold-Sensitive Enable Function for synchronizing  
with driver POR  
• Overcurrent Protection  
• Overvoltage Protection  
The accuracy of the current-sensing method is enhanced by  
the ISL6561’s temperature compensation function. Droop  
- No Additional External Components Needed  
- OVP Pin to drive opitional Crowbar Device  
accuracy can be affected by increasing r  
or DCR with  
DS(ON)  
elevated temperature. The ISL6561 uses an internal  
temperature-sensing element to provide programmable  
temperature compensation. Correctly applied, temperature  
• 2, 3, or 4 Phase Operation  
• Greater Than 1MHz Operation (> 4MHz Ripple)  
• Pb-free Available (RoHS Compliant)  
• QFN Package Option  
compensation can completely nullify the effect of r  
DS(ON) or  
DCR temperature sensitivity.  
A unity gain, differential amplifier is provided for remote  
voltage sensing. Any potential difference between remote  
and local grounds can be completely eliminated using the  
remote-sense amplifier. Eliminating ground differences  
improves regulation and protection accuracy. The threshold-  
sensitive enable input is available to accurately coordinate  
the start up of the ISL6561 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. The ISL6561  
uses 5V bias and has a built-in shunt regulator to allow 12V  
bias using only a small external limiting resistor.  
- QFN Compliant to JEDEC PUB95 MO-220 QFN - Quad  
Flat No Leads - Product Outline  
- QFN Near Chip Scale Package Footprint; Improves  
PCB Efficiency, Thinner in Profile  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1
1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.  
Dynamic VID™ is a trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2002-2005. All Rights Reserved.  
All other trademarks mentioned are the property of their respective owners.  
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ISL6561IR 替代型号

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