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EL7564CREZ-T7 PDF预览

EL7564CREZ-T7

更新时间： 2024-11-17 22:50:59
品牌 Logo 应用领域
英特矽尔 - INTERSIL 稳压器
页数 文件大小 规格书
17页 643K
描述
Monolithic 4 Amp DC/DC Step-Down Regulator

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EL7564CREZ-T7 数据手册

 浏览型号EL7564CREZ-T7的Datasheet PDF文件第2页浏览型号EL7564CREZ-T7的Datasheet PDF文件第3页浏览型号EL7564CREZ-T7的Datasheet PDF文件第4页浏览型号EL7564CREZ-T7的Datasheet PDF文件第5页浏览型号EL7564CREZ-T7的Datasheet PDF文件第6页浏览型号EL7564CREZ-T7的Datasheet PDF文件第7页 
EL7564  
®
a Sheet  
May 9, 2005  
FN7297.3  
Monolithic 4 Amp DC/DC Step-Down  
Regulator  
Features  
• Integrated synchronous MOSFETs and current mode  
controller  
The EL7564 is an integrated, full-featured synchronous step-  
down regulator with output voltage adjustable from 1.0V to  
3.8V. It is capable of delivering 4A continuous current at up  
to 95% efficiency. The EL7564 operates at a constant  
frequency pulse width modulation (PWM) mode, making  
external synchronization possible. Patented on-chip  
resistorless current sensing enables current mode control,  
which provides cycle-by-cycle current limiting, over-current  
protection, and excellent step load response. The EL7564  
features power tracking, which makes the start-up  
sequencing of multiple converters possible. A junction  
temperature indicator conveniently monitors the silicon die  
temperature, saving the designer time on the tedious  
thermal characterization. The minimal external components  
and full functionality make this EL7564 ideal for desktop and  
portable applications.  
• 4A continuous output current  
• Up to 95% efficiency  
• 4.5V to 5.5V input voltage  
• Adjustable output from 1V to 3.8V  
• Cycle-by-cycle current limit  
• Precision reference  
• ±0.5% load and line regulation  
• Adjustable switching frequency to 1MHz  
• Oscillator synchronization possible  
• Internal soft start  
• Over voltage protection  
The EL7564 is specified for operation over the -40°C to  
+85°C temperature range.  
• Junction temperature indicator  
• Over temperature protection  
• Under voltage lockout  
Typical Application Diagrams  
EL7564  
[20-PIN SO (0.300”)]  
TOP VIEW  
• Multiple supply start-up tracking  
• Power good indicator  
• 20-pin SO (0.300”) package  
• 28-pin HTSSOP package  
• Pb-Free available (RoHS compliant)  
C5  
0.1µF  
1
EN 20  
FB 19  
VREF  
C4  
390pF  
2 SGND  
3 COSC  
4 VDD  
5 VTJ  
Applications  
• DSP, CPU core and IO supplies  
PG 18  
R4  
C3  
22Ω  
VDRV 17  
VHI 16  
0.22µF  
C6  
D1  
• Logic/Bus supplies  
0.22µF  
V
OUT  
C2  
• Portable equipment  
3.3V, 4A  
6 PGND  
7 PGND  
8 VIN  
LX 15  
L1  
4.7µH  
C7  
2.2nF  
• DC/DC converter modules  
• GTL + Bus power supply  
LX 14  
V
C10  
C1  
IN  
5V  
R2  
330µF  
2.37kΩ  
100pF  
330µF  
PGND 13  
PGND 12  
PGND 11  
9 STP  
R1  
1kΩ  
10 STN  
Typical Application Diagrams continued on page 3  
Manufactured Under U.S. Patent No. 5,7323,974  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1
1-888-INTERSIL or 1-888-352-6832 | Intersil (and design) is a registered trademark of Intersil Americas Inc.  
Copyright Intersil Americas Inc. 2003, 2005. All Rights Reserved  
All other trademarks mentioned are the property of their respective owners.  
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EL7564CREZ-T7 替代型号

型号 品牌 替代类型 描述 数据表
EL7564CREZ-T13 INTERSIL

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