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LM309K

更新时间： 2024-11-23 05:42:03
品牌 Logo 应用领域
COMSET 稳压器
页数 文件大小 规格书
2页 94K
描述
Voltage Regulators

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中文翻译

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LM309K 技术参数

生命周期：Contact Manufacturer包装说明：, TO-204/-3
Reach Compliance Code：unknown风险等级：5.54
可调性：FIXED标称回动电压 1：2 V
最大绝对输入电压：35 V最大电网调整率：0.05%
最大负载调整率：0.1%输出次数：1
端子数量：3最大输出电流 1：1.5 A
标称输出电压 1：5 V封装主体材料：METAL
封装等效代码：TO-204/-3认证状态：Not Qualified
子类别：Other Regulators技术：BIPOLAR
最大电压容差：4%Base Number Matches：1

LM309K 数据手册

 浏览型号LM309K的Datasheet PDF文件第2页 
LM309K  
Voltage Regulators  
GENERAL DESCRIPTION  
The LM309K is complete 5V regulator fabricated on a single silicon chip.  
The available output current is greater than 1A.  
He is designed for local regulation on digital logic cards, eliminating the distribution problems  
associated with single-point regulation. The devices are available in the TO3 power package.  
The regulators are essentially blow-out proof. Current limiting is included to limit the peak output  
current to a safe value. In addition, thermal shutdown is provided to keep the IC from overheating. If  
internal dissipation becomes too great, the regulator will shut down to prevent excessive heating.  
Considerable effort was expended to make these devices easy to use and minimize the number of  
external components. It is not necessary to bypass the output, although this does improve transient  
response somewhat. Input bypassing is needed, however, if the regulator is located very far from the  
filter capacitor of the power supply. Stability is also achieved by methods that provide very good  
rejection of load or line transients as are usually seen with TTL logic.  
Compliance to RoHS.  
ABSOLUTE MAXIMUM RATINGS  
Input Voltage  
35V  
Output Current  
1A  
Power Dissipation  
Operating Junction Temperature Range  
Storage Temperature Range  
Internally Limited  
0° to 125°C  
-65° to 150°C  
CHARACTERISTICS (1)  
PARAMETER  
Output Voltage  
Line Regulation  
CONDITIONS  
MIN  
4.8  
-
TYP  
MAX  
5.2  
UNIT  
V
Tj = 25°C  
Tj = 25°C  
7V ≤VIN ≤25V  
5.05  
4
50  
mV  
Tj =25°C  
Load Regulation  
Output Voltage  
-
50  
-
100  
mV  
V
5mA ≤IOUT≤1.5A  
7V ≤VIN ≤25V  
5mA ≤IOUT ≤ IMAX  
P<PMAX  
4.75  
5.25  
Quiescent Current  
7V ≤VIN ≤25V  
7V ≤VIN ≤25V  
5mA ≤IOUT ≤ IMAX  
TA = 25°C  
-
-
5.2  
-
10  
mA  
mA  
Quiescent Current Change  
0.8  
Output Noise Voltage  
-
-
-
40  
-
-
20  
-
mV  
mV  
10HZ ≤ f ≤  
Long Term Stability  
Thermal Resistance  
Junction to case  
(2)  
3
°C/W  
(1) Tj = 0° to 125°C ; IOUT = 0.5A ;IMAX = 0.2A and PMAX = 2W ; IMAX = 1A and PMAX = 20W  
(2) Without a heat sink, the thermal resistance is approximately 35°C. With a heat sink, the effective thermal  
resistance can only approach the values specified, depending on the efficiency of the sink.  
COMSET SEMICONDUCTORS  
1/2  
12

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