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EL7554IREZ

更新时间： 2024-11-19 22:50:59
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英特矽尔 - INTERSIL 稳压器
页数 文件大小 规格书
14页 499K
描述
Monolithic 4 Amp DC-DC Step-Down Regulator

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EL7554IREZ 数据手册

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EL7554  
®
Data Sheet  
January 31, 2005  
FN7360.2  
Monolithic 4 Amp DC-DC Step-Down  
Regulator  
Features  
• Integrated MOSFETs  
The EL7554 is a full-feature synchronous 4A step-down  
regulator capable of up to 96% efficiency. This device  
• 4A continuous output current  
• Up to 96% efficiency  
operates from 3V to 6V V input supply. With internal  
IN  
CMOS power FETs, the device can operate at up to 100%  
duty ratio, allowing for output voltage range from 0.8V up to  
• All ceramic capacitors  
• Multiple supply start-up tracking  
• Built-in ±5% voltage margining  
nearly V .The adjustable high switching frequency of up to  
IN  
1MHz enables the use of small components, making the  
whole converter occupy less than 0.58 square inch with  
components on one side of the PCB. The EL7554 operates  
at constant frequency PWM mode, making external  
synchronization possible. The EL7554 features soft-start  
and full start-up control, which eliminates the in-rush current  
and enables users to control the start-up of multiple  
converters to any configuration with ease. The EL7554 also  
offers a ±5% voltage margining capability that allows raising  
and lowering of the supplies derived from the EL7554 to  
validate the performance and reliability of system cards  
quickly and easily during manufacturing testing. A junction  
temperature indicator conveniently monitors the silicon die  
temperature, saving designers time in the tedious thermal  
characterization.  
• 3V to 6V input voltage  
2
• 0.58 in footprint with components on one side of PCB  
• Adjustable switching frequency to 1MHz  
• Oscillator synchronization possible  
• 100% duty ratio  
• Junction temperature indicator  
• Over-temperature protection  
• Internal soft-start  
• Variable output voltage down to 0.8V  
• Power-good indicator  
An easy-to-use simulation tool is available for download and  
can be used to modify design parameters such as switching  
frequency, voltage ripple, ambient temperature, as well as  
view schematics waveforms, efficiency graphs, and  
complete BOM with Gerber layout.  
• 28-pin HTSSOP package  
• Pb-free available (RoHS compliant)  
Applications  
• Point-of-regulation power supplies  
• FPGA Core and I/O supplies  
• DSP, CPU Core, and IO supplies  
• Logic/Bus supplies  
The EL7554 is available in a 28-pin HTSSOP package and  
is specified for operation over the -40°C to +85°C  
temperature range.  
Ordering Information  
• Portable equipment  
PART  
TAPE &  
REEL  
NUMBER  
PACKAGE  
PKG. DWG. #  
MDP0048  
MDP0048  
MDP0048  
MDP0048  
Related Documentation  
• Technical Brief 418 - Using the EL7554 Demo Board  
EL7554IRE  
28-Pin HTSSOP  
28-Pin HTSSOP  
-
7”  
13”  
-
EL7554IRE-T7  
• Easy to use applications software simulation tool available  
at www.intersil.com/dc-dc  
EL7554IRE-T13 28-Pin HTSSOP  
EL7554IREZ  
(See Note)  
28-Pin HTSSOP  
(Pb-free)  
EL7554IREZ-T7 28-Pin HTSSOP  
7”  
MDP0048  
MDP0048  
(See Note)  
(Pb-free)  
EL7554IREZ-  
28-Pin HTSSOP  
(Pb-free)  
13”  
T13 (See Note)  
NOTE: Intersil Pb-free products employ special Pb-free material sets; molding  
compounds/die attach materials and 100% matte tin plate termination finish, which are  
RoHS compliant and compatible with both SnPb and Pb-free soldering operations.  
Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that  
meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.  
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. 2004, 2005. All Rights Reserved  
All other trademarks mentioned are the property of their respective owners.  
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EL7554IREZ 替代型号

型号 品牌 替代类型 描述 数据表
EL7554IREZ-T13 INTERSIL

完全替代

 Monolithic 4 Amp DC-DC Step-Down Regulator
EL7554IREZ-T7 INTERSIL

完全替代

 Monolithic 4 Amp DC-DC Step-Down Regulator
EL7554IRE INTERSIL

类似代替

 Monolithic 4 Amp DC-DC Step-Down Regulator

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EL7554IREZ-T7 INTERSIL

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