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LM2597HVM-12/NOPB PDF预览

LM2597HVM-12/NOPB

更新时间： 2024-09-09 12:05:51
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德州仪器 - TI 转换器稳压器开关光电二极管
页数 文件大小 规格书
48页 2271K
描述
LM2597/LM2597HV SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator

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中文翻译

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LM2597HVM-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：SOIC
包装说明：SOP,针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：0.62
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：24 V
JESD-30 代码：R-PDSO-G8JESD-609代码：e3
长度：4.9 mm湿度敏感等级：1
功能数量：1端子数量：8
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流：1.4 A最大输出电压：37 V
最小输出电压：3.3 V封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：1.75 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：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3.9 mm
Base Number Matches：1

LM2597HVM-12/NOPB 数据手册

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LM2597, LM2597HV  
www.ti.com  
SNVS119C –MARCH 1998–REVISED APRIL 2013  
®
LM2597/LM2597HV SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down  
Voltage Regulator, with Features  
Check for Samples: LM2597, LM2597HV  
1
FEATURES  
DESCRIPTION  
The LM2597/LM2597HV series of regulators are  
monolithic integrated circuits that provide all the  
active functions for a step-down (buck) switching  
23  
•
3.3V, 5V, 12V, and Adjustable Output Versions  
•
Adjustable Version Output Voltage Range,  
1.2V to 37V (57V for HV Version)±4% Max Over  
Line and Load Conditions  
regulator, capable of driving  
a 0.5A 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, and are packaged  
in an 8-lead PDIP and an 8-lead surface mount  
package.  
•
•
Specified 0.5A Output Current  
Available in 8-pin Surface Mount and PDIP-8  
Package  
•
•
•
•
•
•
Input Voltage Range Up to 60V  
150 kHz Fixed Frequency Internal Oscillator  
Shutdown /Soft-start  
This series of switching regulators is similar to the  
LM2594 series, with additional supervisory and  
performance features added.  
Out of Regulation Error Flag  
Error Output Delay  
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.  
Bias Supply Pin (VBS) for Internal Circuitry  
Improves Efficiency at High Input Voltages  
•
•
•
•
Low Power Standby Mode, IQ Typically 85 μA  
High Efficiency  
The LM2597/LM2597HV series operates at  
a
Uses Readily Available Standard Inductors  
switching frequency of 150 kHz thus allowing smaller  
sized filter components than what would be needed  
with lower frequency switching regulators. Because of  
its high efficiency, the copper traces on the printed  
circuit board are normally the only heat sinking  
needed.  
Thermal Shutdown and Current Limit  
Protection  
APPLICATIONS  
•
Simple High-efficiency Step-down (Buck)  
Regulator  
A standard series of inductors (both through hole and  
surface mount types) are available from several  
different manufacturers optimized for use with the  
LM2597/LM2597HV series. This feature greatly  
simplifies the design of switch-mode power supplies.  
•
•
•
Efficient Pre-regulator for Linear Regulators  
On-card Switching Regulators  
Positive to Negative Converter  
Other features include a specified ±4% tolerance on  
output voltage under all conditions of input voltage  
and output load conditions, and ±15% on the  
oscillator frequency. External shutdown is included,  
featuring typically 85 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.  
The LM2597HV is for use in applications requiring  
and input voltage up to 60V.  
†Patent Number 5,382,918.  
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.  
2
3
SIMPLE SWITCHER, Switchers Made Simple are registered trademarks of Texas Instruments.  
All other trademarks are the property of their respective owners.  
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 © 1998–2013, Texas Instruments Incorporated  
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中文翻译

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LM2597HVM-12/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM2597HVM-12 TI

完全替代

 LM2597/LM2597HV SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator,
LM2675MX-5.0/NOPB TI

类似代替

 LM2675 SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2674MX-5.0/NOPB TI

类似代替

 LM2674 SIMPLE SWITCHER® Power Converter High

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