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Datasheet > 电源电路 > 开关式稳压器或控制器> LM2595S-12/NOPB
LM2595S-12/NOPB PDF预览

LM2595S-12/NOPB

更新时间： 2024-11-20 12:02:47
品牌 Logo 应用领域
德州仪器 - TI 转换器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
41页 3918K
描述
LM2595 SIMPLE SWITCHER® Power Converter 150 kHz 1A Step-Down Voltage Regulator

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中文翻译

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LM2595S-12/NOPB 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Active零件包装代码：D2PAK
包装说明：SMT-5针数：4
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：0.64Is Samacsys：N
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：VOLTAGE-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：40 V
最小输入电压：4.5 V标称输入电压：25 V
JESD-30 代码：R-PSSO-G5JESD-609代码：e3
长度：10.16 mm湿度敏感等级：3
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：2.6 A最大输出电压：37 V
最小输出电压：3.3 V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
峰值回流温度（摄氏度）：245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：BUCK最大切换频率：173 kHz
温度等级：AUTOMOTIVE端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：1.7 mm
端子位置：SINGLE处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：8.635 mmBase Number Matches：1

LM2595S-12/NOPB 数据手册

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LM2595  
www.ti.com  
SNVS122B –MAY 1999–REVISED APRIL 2013  
®
LM2595 SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator  
Check for Samples: LM2595  
1
FEATURES  
DESCRIPTION  
The LM2595 series of regulators are monolithic  
integrated circuits that provide all the active functions  
for a step-down (buck) switching regulator, capable of  
driving a 1A load with excellent line and load  
regulation. These devices are available in fixed output  
voltages of 3.3V, 5V, 12V, and an adjustable output  
version.  
23  
•
3.3V, 5V, 12V, and Adjustable Output Versions  
•
•
Adjustable Version Output Voltage Range,  
1.2V to 37V ±4% Max Over Line and Load  
Conditions  
Available in TO-220 and TO-263 (Surface  
Mount) Packages  
•
•
•
•
Ensured 1A Output Load Current  
Input Voltage Range Up to 40V  
Requiring  
a
minimum number of external  
components, these regulators are simple to use and  
include internal frequency compensation†, and a  
fixed-frequency oscillator.  
Requires Only 4 External Components  
Excellent Line and Load Regulation  
Specifications  
The LM2595 series operates at a switching frequency  
of 150 kHz thus allowing smaller sized filter  
components than what would be needed with lower  
•
•
•
•
•
•
150 kHz Fixed Frequency Internal Oscillator  
TTL Shutdown Capability  
frequency switching regulators. Available in  
a
standard 5-lead TO-220 package with several  
different lead bend options, and a 5-lead TO-263  
surface mount package. Typically, for output voltages  
less than 12V, and ambient temperatures less than  
50°C, no heat sink is required.  
Low Power Standby Mode, IQ Typically 85 μA  
High Efficiency  
Uses Readily Available Standard Inductors  
Thermal Shutdown and Current Limit  
Protection  
A standard series of inductors are available from  
several different manufacturers optimized for use with  
the LM2595 series. This feature greatly simplifies the  
design of switch-mode power supplies.  
APPLICATIONS  
•
Simple High-Efficiency Step-Down (Buck)  
Regulator  
Other features include an ensured ±4% tolerance on  
output voltage under specified input voltage and  
output load conditions, and ±15% on the oscillator  
frequency. External shutdown is included, featuring  
typically 85 μA stand-by current. Self protection  
features include a two stage frequency reducing  
current limit for the output switch and an over  
temperature shutdown for complete protection under  
fault conditions.  
•
•
•
Efficient Pre-Regulator for Linear Regulators  
On-Card Switching Regulators  
Positive to Negative Converter  
† Patent Number 5,382,918.  
Typical Application  
(Fixed Output Voltage Versions)  
Connection Diagrams  
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, Switchers Made Simple are registered trademarks of Texas Instruments.  
All other trademarks are the property of their respective owners.  
2
3
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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LM2595S-12/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM2595S-12 TI

完全替代

 LM2595 SIMPLE SWITCHER® Power Converter 150
LM2595SX-12 TI

完全替代

 LM2595 SIMPLE SWITCHER® Power Converter 150

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