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LM2594PADJG PDF预览

LM2594PADJG

更新时间： 2024-11-05 05:42:03
品牌 Logo 应用领域
安森美 - ONSEMI 稳压器开关
页数 文件大小 规格书
25页 555K
描述
0.5 A, Step-Down Switching Regulator

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中文翻译

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LM2594PADJG 数据手册

 浏览型号LM2594PADJG的Datasheet PDF文件第2页浏览型号LM2594PADJG的Datasheet PDF文件第3页浏览型号LM2594PADJG的Datasheet PDF文件第4页浏览型号LM2594PADJG的Datasheet PDF文件第5页浏览型号LM2594PADJG的Datasheet PDF文件第6页浏览型号LM2594PADJG的Datasheet PDF文件第7页 
LM2594  
0.5 A, Step-Down Switching  
Regulator  
The LM2594 regulator is monolithic integrated circuit ideally suited  
for easy and convenient design of a step−down switching regulator  
(buck converter). It is capable of driving a 0.5 A load with excellent  
line and load regulation. This device is available in adjustable output  
version. It is internally compensated to minimize the number of  
external components to simplify the power supply design.  
Since LM2594 converter is a switch−mode power supply, its  
efficiency is significantly higher in comparison with popular  
three−terminal linear regulators, especially with higher input voltages.  
The LM2594 operates at a switching frequency of 150 kHz thus  
allowing smaller sized filter components than what would be needed  
with lower frequency switching regulators. Available in a standard  
8−Lead PDIP and 8−Lead Surface Mount packages.  
http://onsemi.com  
MARKING  
DIAGRAMS  
8
8
1
LM2594  
AYWW  
SOIC−8  
D SUFFIX  
CASE 751  
G
1
The other features include a guaranteed $4% tolerance on output  
voltage within specified input voltages and output load conditions, and  
$15% on the oscillator frequency. External shutdown is included,  
featuring 50 mA (typical) standby current. Self protection features  
include switch cycle−by−cycle current limit for the output switch, as  
well as thermal shutdown for complete protection under fault  
conditions.  
2594−ADJ  
AWL  
YYWW  
PDIP−8  
N SUFFIX  
CASE 626  
A
= Assembly Location  
= Wafer Lot  
= Year  
Features  
WL  
YY  
WW  
• Adjustable Output Voltage Range 1.23 V − 37 V  
• Guaranteed 0.5 A Output Load Current  
• Wide Input Voltage Range up to 40 V  
• 150 kHz Fixed Frequency Internal Oscillator  
• TTL Shutdown Capability  
• Low Power Standby Mode, typ 50 mA  
• Thermal Shutdown and Current Limit Protection  
• Internal Loop Compensation  
= Work Week  
G or G = Pb−Free Package  
PIN CONNECTIONS  
SOIC−8  
1
2
3
4
8
7
6
5
NC  
NC  
NC  
FB  
OUTPUT  
V
IN  
• Moisture Sensitivity Level (MSL) Equals 1  
• These are Pb−Free Devices  
GND  
ON/OFF  
(Top View)  
Applications  
PDIP−8  
• Simple High−Efficiency Step−Down (Buck) Regulator  
• Efficient Pre−Regulator for Linear Regulators  
• On−Card Switching Regulators  
• Positive to Negative Converter (Buck−Boost)  
• Negative Step−Up Converters  
• Power Supply for Battery Chargers  
NC  
1
2
3
4
8
7
6
5
OUTPUT  
NC  
NC  
FB  
V
IN  
GND  
ON/OFF  
(Top View)  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 23 of this data sheet.  
©
Semiconductor Components Industries, LLC, 2009  
1
Publication Order Number:  
January, 2009 − Rev. 0  
LM2594/D  
1234567...25

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LM2594PADJG 替代型号

型号 品牌 替代类型 描述 数据表
LM2594DADJR2G ONSEMI

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 0.5 A, Step-Down Switching Regulator

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