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EL7563CREZ

更新时间： 2024-11-05 22:13:59
品牌 Logo 应用领域
英特矽尔 - INTERSIL 稳压器开关光电二极管
页数 文件大小 规格书
16页 634K
描述
Monolithic 4 Amp DC:DC Step-Down Regulator

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中文翻译

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EL7563CREZ 数据手册

 浏览型号EL7563CREZ的Datasheet PDF文件第2页浏览型号EL7563CREZ的Datasheet PDF文件第3页浏览型号EL7563CREZ的Datasheet PDF文件第4页浏览型号EL7563CREZ的Datasheet PDF文件第5页浏览型号EL7563CREZ的Datasheet PDF文件第6页浏览型号EL7563CREZ的Datasheet PDF文件第7页 
EL7563  
®
ta Sheet  
May 13, 2005  
FN7296.2  
Monolithic 4 Amp DC/DC Step-Down  
Regulator  
Features  
• Integrated synchronous MOSFETs and current mode  
controller  
The EL7563 is an integrated, full-featured synchronous step-  
down regulator with output voltage adjustable from 1.0V to  
2.5V. It is capable of delivering 4A continuous current at up  
to 95% efficiency. The EL7563 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 EL7563  
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 EL7563 ideal for desktop and  
portable applications.  
• 4A continuous output current  
• Up to 95% efficiency  
• Internal patented current sense  
• Cycle-by-cycle current limit  
• 3V to 3.6V input voltage  
• Adjustable output voltage 1V to 2.5V  
• Precision reference  
• ±0.5% load and line regulation  
• Adjustable switching frequency to 1MHz  
• Oscillator synchronization possible  
• Internal soft-start  
The EL7563 is offered in 20-pin SO and 28-pin HTSSOP  
packages.  
• Over-voltage protection  
• Junction temperature indicator  
• Over-temperature protection  
• Under-voltage lockout  
Pinout  
EL7563  
(20-PIN SO)  
TOP VIEW  
• Multiple supply start-up tracking  
• Power-good indicator  
C5  
• 20-pin SO (0.300”) package  
• 28-pin HTSSOP package  
• Pb-Free available (RoHS compliant)  
1
EN 20  
FB 19  
VREF  
0.1µF  
C4  
2 SGND  
3 COSC  
4 VDD  
5 VTJ  
PG 18  
D2  
D4  
C8  
390pF  
C2  
R4  
VDRV 17  
VHI 16  
Applications  
• DSP, CPU core, and I/O supplies  
C3  
22Ω  
0.22µF  
D3  
0.22µF  
D1  
2.2nF  
C6  
C9  
6 PGND  
7 PGND  
8 VIN  
LX 15  
0.22µF  
0.1µF  
• Logic/Bus supplies  
C1  
V
OUT  
2.5V  
4A  
LX 14  
L1  
V
330µF  
IN  
3.3V  
• Portable equipment  
C10  
2.2nF  
4.7µH  
PGND 13  
PGND 12  
PGND 11  
R2  
• DC/DC converter modules  
• GTL + Bus power supply  
1.58kΩ  
R1  
9 STP  
C7  
330µF  
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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EL7563CREZ 替代型号

型号 品牌 替代类型 描述 数据表
EL7554IREZ-T7 INTERSIL

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