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LM340AT-5.0 PDF预览

LM340AT-5.0

更新时间： 2024-09-13 22:51:55
品牌 Logo 应用领域
美国国家半导体 - NSC 线性稳压器IC三端稳压器电源电路
页数 文件大小 规格书
15页 515K
描述
Series 3-Terminal Positive Regulators

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中文翻译

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LM340AT-5.0 技术参数

是否Rohs认证：不符合生命周期：Transferred
包装说明：POWER, PLASTIC, TO-220, 3 PINReach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.11Is Samacsys：N
可调性：FIXED标称回动电压 1：2 V
最大绝对输入电压：35 V最大输入电压：20 V
最小输入电压：7.5 VJESD-30 代码：R-PSFM-T3
JESD-609代码：e0最大电网调整率：0.012%
最大负载调整率：0.025%湿度敏感等级：1
功能数量：1输出次数：1
端子数量：3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 1：5.2 V最小输出电压 1：4.8 V
标称输出电压 1：5 V封装主体材料：PLASTIC/EPOXY
封装代码：TO-220封装等效代码：SIP3,.1TB
封装形状：RECTANGULAR封装形式：FLANGE MOUNT
峰值回流温度（摄氏度）：260认证状态：Not Qualified
调节器类型：FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR子类别：Other Regulators
表面贴装：NO技术：BIPOLAR
端子面层：Tin/Lead (Sn/Pb)端子形式：THROUGH-HOLE
端子节距：2.54 mm端子位置：SINGLE
处于峰值回流温度下的最长时间：40最大电压容差：4%
Base Number Matches：1

LM340AT-5.0 数据手册

 浏览型号LM340AT-5.0的Datasheet PDF文件第2页浏览型号LM340AT-5.0的Datasheet PDF文件第3页浏览型号LM340AT-5.0的Datasheet PDF文件第4页浏览型号LM340AT-5.0的Datasheet PDF文件第5页浏览型号LM340AT-5.0的Datasheet PDF文件第6页浏览型号LM340AT-5.0的Datasheet PDF文件第7页 
May 1999  
LM140/LM340A/LM340/LM7800C  
Series 3-Terminal Positive Regulators  
General Description  
Features  
n Complete specifications at 1A load  
The LM140/LM340A/LM340/LM7800C monolithic 3-terminal  
positive voltage regulators employ internal current-limiting,  
thermal shutdown and safe-area compensation, making  
them essentially indestructible. If adequate heat sinking is  
provided, they can deliver over 1.0A output current. They are  
intended as fixed voltage regulators in a wide range of appli-  
cations including local (on-card) regulation for elimination of  
noise and distribution problems associated with single-point  
regulation. In addition to use as fixed voltage regulators,  
these devices can be used with external components to ob-  
tain adjustable output voltages and currents.  
=
±
±
n Output voltage tolerances of 2% at Tj 25˚C and 4%  
over the temperature range (LM140A/LM340A)  
n Line regulation of 0.01% of VOUT/V of ∆VIN at 1A load  
(LM140A/LM340A)  
n Load regulation of 0.3% of VOUT/A (LM140A/LM340A)  
n Internal thermal overload protection  
n Internal short-circuit current limit  
n Output transistor safe area protection  
n P+ Product Enhancement tested  
Considerable effort was expended to make the entire series  
of regulators easy to use and minimize the number of exter-  
nal components. It is not necessary to bypass the output, al-  
though this does improve transient response. Input bypass-  
ing is needed only if the regulator is located far from the filter  
capacitor of the power supply.  
Output  
Device  
LM140  
Packages  
Voltages  
5, 12,  
15  
TO-3 (K)  
LM340A/LM340 5, 12,  
15  
TO-3 (K), TO-220 (T),  
SOT-223 (MP), TO-263 (S)  
(5V and 12V only)  
The 5V, 12V, and 15V regulator options are available in the  
steel TO-3 power package. The LM340A/LM340/LM7800C  
series is available in the TO-220 plastic power package, and  
the LM340-5.0 is available in the SOT-223 package, as well  
as the LM340-5.0 and LM340-12 in the surface-mount  
TO-263 package.  
LM7800C  
5, 8, 12, TO-220 (T)  
15  
Typical Applications  
Fixed Output Regulator  
Adjustable Output Regulator  
DS007781-1  
*
Required if the regulator is located far from the power supply filter.  
**  
Although no output capacitor is needed for stability, it does help transient  
DS007781-2  
response. (If needed, use 0.1 µF, ceramic disc).  
=
>
5V + (5V/R1 + I ) R2 5V/R1 3 I ,  
Q Q  
V
OUT  
load regulation (L ) ≈ [(R1 + R2)/R1] (L of LM340-5).  
r
r
Current Regulator  
Comparison between SOT-223 and D-Pak (TO-252)  
Packages  
DS007781-3  
DS007781-38  
∆I = 1.3 mA over line and load changes.  
Q
Scale 1:1  
© 1999 National Semiconductor Corporation  
DS007781  
www.national.com  
1234567...15

中文翻译

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LM340AT-5.0 替代型号

型号 品牌 替代类型 描述 数据表
LM340S-5.0 NSC

完全替代

 3-Terminal Positive Regulators
LM340SX-5.0 NSC

完全替代

 3-Terminal Positive Regulators

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