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LM2577S-12/NOPB PDF预览

LM2577S-12/NOPB

更新时间： 2024-01-11 09:17:39
品牌 Logo 应用领域
德州仪器 - TI 稳压器开关式稳压器或控制器电源电路开关式控制器
页数 文件大小 规格书
42页 4709K
描述
SIMPLE SWITCHER® Step-Up Voltage Regulator

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中文翻译

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LM2577S-12/NOPB 技术参数

生命周期：Obsolete零件包装代码：D2PAK
包装说明：TO-263,针数：4
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.1
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：CURRENT-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：40 V
最小输入电压：3.5 V标称输入电压：5 V
JESD-30 代码：R-PSSO-G5长度：10.16 mm
功能数量：1端子数量：5
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流：6 A标称输出电压：12 V
封装主体材料：PLASTIC/EPOXY封装代码：TO-263
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
认证状态：Not Qualified座面最大高度：4.8 mm
表面贴装：YES切换器配置：BOOST
最大切换频率：62 kHz温度等级：AUTOMOTIVE
端子形式：GULL WING端子节距：1.7 mm
端子位置：SINGLE宽度：8.635 mm
Base Number Matches：1

LM2577S-12/NOPB 数据手册

 浏览型号LM2577S-12/NOPB的Datasheet PDF文件第2页浏览型号LM2577S-12/NOPB的Datasheet PDF文件第3页浏览型号LM2577S-12/NOPB的Datasheet PDF文件第4页浏览型号LM2577S-12/NOPB的Datasheet PDF文件第5页浏览型号LM2577S-12/NOPB的Datasheet PDF文件第6页浏览型号LM2577S-12/NOPB的Datasheet PDF文件第7页 
LM1577, LM2577  
www.ti.com  
SNOS658D –JUNE 1999–REVISED APRIL 2013  
®
LM1577/LM2577 SIMPLE SWITCHER Step-Up Voltage Regulator  
Check for Samples: LM1577, LM2577  
1
FEATURES  
DESCRIPTION  
The LM1577/LM2577 are monolithic integrated  
23  
•
Requires Few External Components  
circuits that provide all of the power and control  
functions for step-up (boost), flyback, and forward  
converter switching regulators. The device is  
available in three different output voltage versions:  
12V, 15V, and adjustable.  
•
NPN Output Switches 3.0A, can Stand off 65V  
Wide Input Voltage Range: 3.5V to 40V  
•
•
Current-mode Operation for Improved  
Transient Response, Line Regulation, and  
Current Limit  
Requiring  
a
minimum number of external  
components, these regulators are cost effective, and  
simple to use. Listed in this data sheet are a family of  
standard inductors and flyback transformers designed  
to work with these switching regulators.  
•
•
52 kHz Internal Oscillator  
Soft-start Function Reduces In-rush Current  
During Start-up  
•
Output Switch Protected by Current Limit,  
Under-voltage Lockout, and Thermal  
Shutdown  
Included on the chip is a 3.0A NPN switch and its  
associated protection circuitry, consisting of current  
and thermal limiting, and undervoltage lockout. Other  
features include a 52 kHz fixed-frequency oscillator  
that requires no external components, a soft start  
mode to reduce in-rush current during start-up, and  
current mode control for improved rejection of input  
voltage and output load transients.  
TYPICAL APPLICATIONS  
•
•
•
Simple Boost Regulator  
Flyback and Forward Regulators  
Multiple-output Regulator  
Connection Diagrams  
Figure 1. 5-Lead (Straight Leads) TO-220 (T) – Top  
Figure 2. 5-Lead (Bent, Staggered Leads) TO-220  
(T) – Top View  
View  
See Package Number KC  
See Package Number NDH0005D  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
SIMPLE SWITCHER is a registered trademark of Texas Instruments.  
2
3
All other trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 1999–2013, Texas Instruments Incorporated  
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中文翻译

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LM2577S-12/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM2577SX-12 TI

完全替代

 SIMPLE SWITCHER® Step-Up Voltage Regulator
LM2577SX-12/NOPB TI

类似代替

 SIMPLE SWITCHER® Step-Up Voltage Regulator
LM2577S-12 TI

功能相似

 SIMPLE SWITCHER® Step-Up Voltage Regulator

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