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LM2590HVSX-3.3/NOPB PDF预览

LM2590HVSX-3.3/NOPB

更新时间： 2024-11-21 21:09:59
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
20页 743K
描述
IC 3 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PSSO7, TO-263, 7 PIN, Switching Regulator or Controller

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LM2590HVSX-3.3/NOPB 技术参数

是否Rohs认证： 符合生命周期：Transferred
包装说明：TO-263, 7 PINReach Compliance Code：not_compliant
ECCN代码：EAR99HTS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：VOLTAGE-MODE最大输入电压：60 V
最小输入电压：4.5 V标称输入电压：12 V
JESD-30 代码：R-PSSO-G7JESD-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：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：PLASTIC/EPOXY
封装代码：TO-263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）：245认证状态：Not Qualified
座面最大高度：4.8 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：Matte Tin (Sn)
端子形式：GULL WING端子节距：1.27 mm
端子位置：SINGLE处于峰值回流温度下的最长时间：30
宽度：8.635 mmBase Number Matches：1

LM2590HVSX-3.3/NOPB 数据手册

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December 2001  
LM2590HV  
SIMPLE SWITCHER®Power Converter 150 kHz 1A  
Step-Down Voltage Regulator, with Features  
General Description  
Features  
n 3.3V, 5V, and adjustable output versions  
The LM2590HV series of regulators are monolithic inte-  
grated 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 de-  
vices are available in fixed output voltages of 3.3V, 5V, and  
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  
This series of switching regulators is similar to the  
LM2591HV with additional supervisory and performance fea-  
tures.  
n Input voltage range up to 60V  
n 150 kHz fixed frequency internal oscillator  
n Shutdown/Soft-start  
Requiring a minimum number of external components, these  
regulators are simple to use and include internal frequency  
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  
†
compensation , improved line and load specifications,  
fixed-frequency oscillator, Shutdown/Soft-start, output error  
flag and flag delay.  
The LM2590HV 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 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-  
n Positive to Negative converter  
put voltage under all conditions of input voltage and output  
†
Note: Patent Number 5,382,918.  
±
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.  
Typical Application (Fixed Output Voltage Versions)  
10134701  
SIMPLE SWITCHER® and Switchers Made Simple® are registered trademarks of National Semiconductor Corporation.  
© 2001 National Semiconductor Corporation  
DS101347  
www.national.com  
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