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LM2598

更新时间： 2023-09-03 20:30:27
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
48页 2333K
描述
4.5V 至 40V、1A SIMPLE SWITCHER® 降压转换器

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中文翻译

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LM2598 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：ZIP,
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：5.56其他特性：ALSO OPERATES IN ADJUSTABLE MODE FROM 1.2 TO 37V
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：12 V
JESD-30 代码：R-XZFM-T7JESD-609代码：e3
湿度敏感等级：1功能数量：1
端子数量：7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
封装主体材料：UNSPECIFIED封装代码：ZIP
封装形状：RECTANGULAR封装形式：FLANGE MOUNT
峰值回流温度（摄氏度）：NOT APPLICABLE表面贴装：NO
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：THROUGH-HOLE端子位置：ZIG-ZAG
处于峰值回流温度下的最长时间：NOT SPECIFIEDBase Number Matches：1

LM2598 数据手册

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LM2598  
SNVS125D –MARCH 1998–REVISED MAY 2016  
®
LM2598 SIMPLE SWITCHER Power Converter 150-kHz 1-A Step-Down Voltage Regulator,  
With Features  
1 Features  
3 Description  
The LM2598 series of regulators are monolithic  
integrated circuits that provide all the active functions  
for a step-down (buck) switching regulator, capable of  
driving a 1-A load with excellent line and load  
regulation. These devices are available in fixed output  
voltages of 3.3 V, 5 V, 12 V, and an adjustable output  
version.  
1
•
•
3.3-V, 5-V, 12-V, and Adjustable Output Versions  
Adjustable Version Output Voltage Range, 1.2-V  
to 37-V ±4% Max Over Line and Load Conditions  
•
•
1-A Output Current  
Available in 7-Pin TO-220 and DDPAK (Surface  
Mount) Package  
The LM2598 is a member of the LM259x family.  
•
•
•
•
•
•
•
•
•
•
Input Voltage Range Up to 40 V  
Excellent Line and Load Regulation Specifications  
150 kHz Fixed Frequency Internal Oscillator  
Shutdown/Soft-start  
Requiring  
a
minimum number of external  
components, these regulators are simple to use and  
include internal frequency compensation, improved  
line and load specifications, fixed-frequency oscillator,  
Shutdown/Soft-start, error flag delay and error flag  
output.  
Out of Regulation Error Flag  
Error Output Delay  
Low Power Standby Mode, IQ, Typically 85 μA  
High Efficiency  
The LM2598 series operates at a switching frequency  
of 150 kHz, thus allowing smaller sized filter  
components than what would be required with lower-  
Uses Readily Available Standard Inductors  
Thermal Shutdown and Current Limit Protection  
frequency switching regulators. Available in  
a
standard 7-lead TO-220 package with several  
different lead bend options, and a 7-lead DDPAK  
surface mount package. Typically, for output voltages  
less than 12 V, and ambient temperatures less than  
50°C, no heat sink is required.  
2 Applications  
•
Simple High-Efficiency Step-down (Buck)  
Regulator  
Device Information(1)  
•
•
•
Efficient Preregulator for Linear Regulators  
On-Card Switching Regulators  
PART NUMBER  
PACKAGE  
TO-220 (7)  
TO-263 (7)  
BODY SIZE (NOM)  
14.986 mm × 10.16 mm  
10.10 mm × 8.89 mm  
Positive to Negative Converter  
LM2598  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
Typical Application  
Fixed output voltage versions  
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 
 
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LM2598 替代型号

型号 品牌 替代类型 描述 数据表
LM43601 TI

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