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LM2590HVSADJ-AQ

更新时间： 2024-11-18 19:40:55
品牌 Logo 应用领域
美国国家半导体 - NSC 开关
页数 文件大小 规格书
22页 875K
描述
IC 3 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, SSO7, LEAD FREE, TO-263, 7 PIN, Switching Regulator or Controller

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LM2590HVSADJ-AQ 技术参数

是否Rohs认证： 不符合生命周期：Transferred
包装说明：LEAD FREE, TO-263, 7 PINReach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.58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：60 V最小输入电压：4.5 V
标称输入电压：12 VJESD-30 代码：R-XSSO-G7
JESD-609代码：e0长度：10.41 mm
湿度敏感等级：3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：3 A
封装主体材料：UNSPECIFIED封装等效代码：SMSIP7H,.55,50TB
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：235认证状态：Not Qualified
座面最大高度：4.64 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：BUCK
最大切换频率：173 kHz技术：BIPOLAR
温度等级：AUTOMOTIVE端子面层：Tin/Lead (Sn85Pb15)
端子形式：GULL WING端子节距：0.5 mm
端子位置：SINGLE处于峰值回流温度下的最长时间：30
宽度：8.64 mmBase Number Matches：1

LM2590HVSADJ-AQ 数据手册

 浏览型号LM2590HVSADJ-AQ的Datasheet PDF文件第2页浏览型号LM2590HVSADJ-AQ的Datasheet PDF文件第3页浏览型号LM2590HVSADJ-AQ的Datasheet PDF文件第4页浏览型号LM2590HVSADJ-AQ的Datasheet PDF文件第5页浏览型号LM2590HVSADJ-AQ的Datasheet PDF文件第6页浏览型号LM2590HVSADJ-AQ的Datasheet PDF文件第7页 
May 2004  
LM2590HV-AQ  
SIMPLE SWITCHER®Power Converter 150 kHz 1A  
Step-Down Voltage Regulator, with Features  
General Description  
Features  
n Reliability Qualification for Automotive  
n 3.3V, 5V, and adjustable output versions  
The LM2590HV-AQ regulator is a monolithic integrated cir-  
cuit which provides all the active functions for a step-down  
(buck) switching regulator, and is capable of driving a 1 Amp  
load with excellent line and load regulation. The  
LM2590HV-AQ is available in fixed output voltages of 3.3V,  
5.0V, as well as an adjustable output version.  
n Adjustable version output voltage range, 1.2V to 57V  
4% max over line and load conditions  
n Guaranteed 1A output load current  
n Available in 7-pin TO-220 and TO-263 (surface mount)  
Package  
n Input voltage range up to 60V  
n 150 kHz fixed frequency internal oscillator  
n Shutdown/Soft-start  
n Out of regulation error flag  
n Error flag delay  
n Low power standby mode, IQ typically 90 µA  
n High Efficiency  
n Thermal shutdown and current limit protection  
The LM2590HV-AQ switching regulator is similar to the  
LM2591HV with additional supervisory and performance fea-  
tures.  
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, output error flag  
and flag delay.  
The LM2590HV-AQ operates at a switching frequency of  
150 kHz thus allowing smaller sized filter components than  
what would be needed with lower frequency switching regu-  
lators. Available in a standard 7-lead TO-220 package with  
several different lead bend options, and a 7-lead TO-263  
Surface mount package.  
Applications  
n Simple high-efficiency step-down (buck) regulator  
n Efficient pre-regulator for linear regulators  
n On-card switching regulators  
Other features include a guaranteed 4% tolerance on out-  
put voltage under all conditions of input voltage and output  
load conditions, and 15% on the oscillator frequency. Ex-  
ternal shutdown is included, featuring typically 90 µA  
standby current. Self protection features include a two stage  
current limit for the output switch and an over temperature  
shutdown for complete protection under fault conditions.  
n Positive to Negative converter  
†
Note: Patent Number 5,382,918.  
Typical Application (Fixed Output Voltage Versions)  
20097101  
SIMPLE SWITCHER® and Switchers Made Simple® are registered trademarks of National Semiconductor Corporation.  
© 2004 National Semiconductor Corporation  
DS200971  
www.national.com  
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