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ISL6522CRZ-TK PDF预览

ISL6522CRZ-TK

更新时间： 2024-11-28 15:35:35
品牌 Logo 应用领域
瑞萨 - RENESAS 开关
页数 文件大小 规格书
16页 818K
描述
Buck and Synchronous Rectifier Pulse-Width Modulator (PWM) Controller

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中文翻译

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ISL6522CRZ-TK 技术参数

生命周期：Active零件包装代码：QFN
包装说明：,针数：16
Reach Compliance Code：compliant风险等级：1.48
模拟集成电路 - 其他类型：SWITCHING CONTROLLERBase Number Matches：1

ISL6522CRZ-TK 数据手册

 浏览型号ISL6522CRZ-TK的Datasheet PDF文件第2页浏览型号ISL6522CRZ-TK的Datasheet PDF文件第3页浏览型号ISL6522CRZ-TK的Datasheet PDF文件第4页浏览型号ISL6522CRZ-TK的Datasheet PDF文件第5页浏览型号ISL6522CRZ-TK的Datasheet PDF文件第6页浏览型号ISL6522CRZ-TK的Datasheet PDF文件第7页 
MMENDS  
NS, INTERSIL RECO  
FOR NEW DESIG  
DATASHEET  
5
PRODUCT - ISL653  
DROP-IN ENHANCED  
ISL6522  
FN9030  
Rev 8.00  
Mar 10, 2006  
Buck and Synchronous Rectifier Pulse-Width Modulator (PWM) Controller  
The ISL6522 provides complete control and protection for a  
DC-DC converter optimized for high-performance micro-  
Features  
• Drives two N-Channel MOSFETs  
• Operates from +5V or +12V input  
processor applications. It is designed to drive two N-Channel  
MOSFETs in a synchronous rectified buck topology. The  
ISL6522 integrates all of the control, output adjustment,  
monitoring and protection functions into a single package.  
• Simple single-loop control design  
- Voltage-mode PWM control  
The output voltage of the converter can be precisely  
regulated to as low as 0.8V, with a maximum tolerance of  
1% over temperature and line voltage variations.  
• Fast transient response  
- High-bandwidth error amplifier  
- Full 0–100% duty ratio  
The ISL6522 provides simple, single feedback loop, voltage-  
mode control with fast transient response. It includes a  
200kHz free-running triangle-wave oscillator that is  
adjustable from below 50kHz to over 1MHz. The error  
amplifier features a 15MHz gain-bandwidth product and  
6V/s slew rate which enables high converter bandwidth for  
fast transient performance. The resulting PWM duty ratio  
ranges from 0–100%.  
• Excellent output voltage regulation  
- 0.8V internal reference  
- 1% over line voltage and temperature  
• Overcurrent fault monitor  
- Does not require extra current sensing element  
- Uses MOSFETs r  
DS(ON)  
• Converter can source and sink current  
• Small converter size  
The ISL6522 protects against overcurrent conditions by  
inhibiting PWM operation. The ISL6522 monitors the current  
- Constant frequency operation  
by using the r  
of the upper MOSFET which eliminates  
DS(ON)  
- 200kHz free-running oscillator programmable from  
50kHz to over 1MHz  
the need for a current sensing resistor.  
• 14-lead SOIC and TSSOP package and 16-lead 5x5mm  
QFN Package  
SOIC, TSSOP  
TOP VIEW  
Pinouts  
• QFN Package  
14  
13  
12  
11  
10  
9
RT  
OCSET  
SS  
1
2
3
4
5
6
7
VCC  
- Compliant to JEDEC PUB95 MO-220 QFN-Quad Flat  
No Leads-Product Outline.  
PVCC  
LGATE  
PGND  
BOOT  
UGATE  
PHASE  
- Near Chip-Scale Package Footprint; Improves PCB  
Efficiency and Thinner in Profile  
COMP  
FB  
• Pb-free plus anneal available (RoHS compliant)  
EN  
8
GND  
Applications  
QFN  
TOP VIEW  
®
®
• Power supply for Pentium , Pentium Pro, PowerPC and  
AlphaPC™ microprocessors  
• High-power 5V to 3.xV DC-DC regulators  
• Low-voltage distributed power supplies  
16 15 14 13  
SS  
COMP  
FB  
1
2
3
4
12 PVCC  
11 LGATE  
GND  
10  
9
PGND  
BOOT  
EN  
5
6
7
8
FN9030 Rev 8.00  
Mar 10, 2006  
Page 1 of 16  
1234567...16

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