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LM317EMPX/NOPB PDF预览

LM317EMPX/NOPB

更新时间： 2024-11-21 12:02:11
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德州仪器 - TI 稳压器
页数 文件大小 规格书
38页 3851K
描述
LM117/LM317A/LM317-N 3-Terminal Adjustable Regulator

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中文翻译

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LM317EMPX/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：SOT-223
包装说明：SOP,针数：4
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：0.76Samacsys Description：1.5-A adjustable output linear regulator
可调性：ADJUSTABLE标称回动电压 1：2.25 V
最大输入电压：40 V最小输入电压：3 V
最大差分输入-输出电压：40 V最小差分输入-输出电压：3 V
JESD-30 代码：R-PDSO-G4JESD-609代码：e3
长度：6.5 mm湿度敏感等级：1
功能数量：1输出次数：1
端子数量：4工作温度TJ-Max：125 °C
工作温度TJ-Min：最大输出电流 1：1 A
最大输出电压 1：37 V最小输出电压 1：1.2 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
调节器类型：ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR座面最大高度：1.8 mm
表面贴装：YES技术：BIPOLAR
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：2.3 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3.56 mm

LM317EMPX/NOPB 数据手册

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LM117, LM317-N  
www.ti.com  
SNVS774L –MAY 2004–REVISED FEBRUARY 2011  
LM117/LM317A/LM317-N 3-Terminal Adjustable Regulator  
Check for Samples: LM117, LM317-N  
Normally, no capacitors are needed unless the device  
1
FEATURES  
is situated more than 6 inches from the input filter  
capacitors in which case an input bypass is needed.  
An optional output capacitor can be added to improve  
transient response. The adjustment terminal can be  
bypassed to achieve very high ripple rejection ratios  
which are difficult to achieve with standard 3-terminal  
regulators.  
2
•
Specified 1% Output Voltage Tolerance  
(LM317A)  
•
Specified Max. 0.01%/V Line Regulation  
(LM317A)  
•
•
•
•
•
•
•
Specified Max. 0.3% Load Regulation (LM117)  
Specified 1.5A Output Current  
Besides replacing fixed regulators, the LM117 is  
useful in a wide variety of other applications. Since  
the regulator is “floating” and sees only the input-to-  
output differential voltage, supplies of several  
hundred volts can be regulated as long as the  
maximum input to output differential is not exceeded,  
i.e., avoid short-circuiting the output.  
Adjustable Output Down to 1.2V  
Current Limit Constant With Temperature  
P+ Product Enhancement Tested  
80 dB Ripple Rejection  
Output is Short-Circuit Protected  
Also, it makes an especially simple adjustable  
switching regulator, a programmable output regulator,  
or by connecting a fixed resistor between the  
adjustment pin and output, the LM117 can be used  
DESCRIPTION  
The LM117 series of adjustable 3-terminal positive  
voltage regulators is capable of supplying in excess  
of 1.5A over a 1.2V to 37V output range. They are  
exceptionally easy to use and require only two  
external resistors to set the output voltage. Further,  
both line and load regulation are better than standard  
fixed regulators. Also, the LM117 is packaged in  
standard transistor packages which are easily  
mounted and handled.  
as  
a precision current regulator. Supplies with  
electronic shutdown can be achieved by clamping the  
adjustment terminal to ground which programs the  
output to 1.2V where most loads draw little current.  
For applications requiring greater output current, see  
LM150 series (3A) and LM138 series (5A) data  
sheets. For the negative complement, see LM137  
series data sheet.  
In addition to higher performance than fixed  
regulators, the LM117 series offers full overload  
protection available only in IC's. Included on the chip  
are current limit, thermal overload protection and safe  
area protection. All overload protection circuitry  
remains fully functional even if the adjustment  
terminal is disconnected.  
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.  
All trademarks are the property of their respective owners.  
2
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 © 2004–2011, Texas Instruments Incorporated  
1234567...38

中文翻译

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LM317EMPX/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM317EMP/NOPB TI

类似代替

 LM117/LM317A/LM317-N 3-Terminal Adjustable Regulator
LM317AEMP/NOPB TI

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 LM117/LM317A/LM317-N 3-Terminal Adjustable Regulator
LM317DCYR TI

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