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LM2591HVS-3.3/NOPB PDF预览

LM2591HVS-3.3/NOPB

更新时间: 2024-11-09 15:37:23
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 720K
描述
IC 3 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PSSO5, TO-263, 5 PIN, Switching Regulator or Controller

LM2591HVS-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, 5 PINReach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:7.49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-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:3 A封装主体材料:PLASTIC/EPOXY
封装代码:TO-263封装等效代码:SMSIP5H,.6,67TB
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:1.7 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

LM2591HVS-3.3/NOPB 数据手册

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July 2003  
LM2591HV  
SIMPLE SWITCHER®Power Converter 150 kHz 1A  
Step-Down Voltage Regulator  
current limit for the output switch and an over temperature  
shutdown for complete protection under fault conditions.  
General Description  
The LM2591HV 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.  
Features  
n 3.3V, 5V, and adjustable output versions  
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 5-pin TO-220 and TO-263 (surface mount)  
Package  
This series of switching regulators is similar to the  
LM2590HV, but without some of the supervisory and perfor-  
mance features of the latter.  
n Input voltage range up to 60V  
n 150 kHz fixed frequency internal oscillator  
n On/Off control  
Requiring a minimum number of external components, these  
regulators are simple to use and include internal frequency  
compensation , improved line and load specifications and a  
fixed-frequency oscillator.  
n Low power standby mode, IQ typically 90 µA  
n High Efficiency  
n Thermal shutdown and current limit protection  
The LM2591HV 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 5-lead TO-220 package with several  
different lead bend options, and a 5-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  
n Positive to Negative converter  
Note: Patent Number 5,382,918.  
Typical Application (Fixed Output Voltage Versions)  
10129301  
SIMPLE SWITCHER® and Switchers Made Simple® are registered trademarks of National Semiconductor Corporation.  
© 2003 National Semiconductor Corporation  
DS101293  
www.national.com  

LM2591HVS-3.3/NOPB 替代型号

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