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LM317LMX/NOPB PDF预览

LM317LMX/NOPB

更新时间： 2024-09-16 21:12:43
品牌 Logo 应用领域
美国国家半导体 - NSC 光电二极管输出元件调节器
页数 文件大小 规格书
20页 369K
描述
IC VREG 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PDSO8, ROHS COMPLIANT, PLASTIC, SOIC-8, Adjustable Positive Single Output Standard Regulator

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LM317LMX/NOPB 技术参数

是否Rohs认证： 符合生命周期：Transferred
包装说明：SOP, SOP8,.25Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.04可调性：ADJUSTABLE
标称回动电压 1：3 V最大差分输入-输出电压：40 V
最小差分输入-输出电压：3 VJESD-30 代码：R-PDSO-G8
JESD-609代码：e3长度：4.9 mm
最大电网调整率 (%/V)：0.07最大负载调整率 (%)：1.5%
湿度敏感等级：1功能数量：1
输出次数：1端子数量：8
工作温度TJ-Max：125 °C工作温度TJ-Min：-40 °C
最大输出电流 1：0.1 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封装等效代码：SOP8,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
包装方法：TAPE AND REEL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：1.75 mm子类别：Other Regulators
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：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：40宽度：3.9 mm
Base Number Matches：1

LM317LMX/NOPB 数据手册

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April 9, 2008  
LM317L  
3-Terminal Adjustable Regulator  
fixed resistor between the adjustment and output, the LM317L  
can be used as a precision current regulator. Supplies with  
electronic shutdown can be achieved by clamping the adjust-  
ment terminal to ground which programs the output to 1.2V  
where most loads draw little current.  
General Description  
The LM317L is an adjustable 3-terminal positive voltage reg-  
ulator capable of supplying 100mA over a 1.2V to 37V output  
range. It is exceptionally easy to use and requires only two  
external resistors to set the output voltage. Further, both line  
and load regulation are better than standard fixed regulators.  
Also, the LM317L is available packaged in a standard TO-92  
transistor package which is easy to use.  
The LM317L is available in a standard TO-92 transistor pack-  
age, the SO-8 package, and 6-Bump micro SMD package.  
The LM317L is rated for operation over a −25°C to 125°C  
range.  
In addition to higher performance than fixed regulators, the  
LM317L offers full overload protection. Included on the chip  
are current limit, thermal overload protection and safe area  
protection. All overload protection circuitry remains fully func-  
tional even if the adjustment terminal is disconnected.  
Features  
Adjustable output down to 1.2V  
■
■
■
■
■
■
■
■
Guaranteed 100mA output current  
Line regulation typically 0.01%V  
Normally, no capacitors are needed unless the device is sit-  
uated more than 6 inches from the input filter capacitors in  
which case an input bypass is needed. An optional output ca-  
pacitor 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 stan-  
dard 3-terminal regulators.  
Load regulation typically 0.1%  
Current limit constant with temperature  
Eliminates the need to stock many voltages  
Standard 3-lead transistor package  
80dB ripple rejection  
Besides replacing fixed regulators, the LM317L is useful in a  
wide variety of other applications. Since the regulator is “float-  
ing” 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.  
Available in TO-92, SO-8, or 6-Bump micro SMD package  
■
■
Output is short circuit protected  
See AN-1112 for micro SMD considerations  
■
Also, it makes an especially simple adjustable switching reg-  
ulator, a programmable output regulator, or by connecting a  
Connection Diagrams  
TO-92 Plastic package  
8-Pin SOIC  
906405  
906404  
Top View  
© 2008 National Semiconductor Corporation  
9064  
www.national.com  
1234567...20

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LM317LMX/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM317LID TI

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