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LM320H-12 PDF预览

LM320H-12

更新时间： 2024-02-05 15:14:54
品牌 Logo 应用领域
美国国家半导体 - NSC 三端稳压器调节器输出元件
页数 文件大小 规格书
12页 270K
描述
Series 3-Terminal Negative Regulators

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LM320H-12 技术参数

是否Rohs认证： 符合生命周期：Obsolete
包装说明：, DIE OR CHIPReach Compliance Code：compliant
风险等级：5.84可调性：FIXED
标称回动电压 1：1 V最大绝对输入电压：35 V
最大电网调整率：0.02%最大负载调整率：0.08%
湿度敏感等级：1输出次数：1
工作温度TJ-Max：125 °C工作温度TJ-Min：
最大输出电流 1：1.5 A标称输出电压 1：-12 V
封装等效代码：DIE OR CHIP认证状态：Not Qualified
子类别：Other Regulators技术：BIPOLAR
最大电压容差：5%Base Number Matches：1

LM320H-12 数据手册

 浏览型号LM320H-12的Datasheet PDF文件第2页浏览型号LM320H-12的Datasheet PDF文件第3页浏览型号LM320H-12的Datasheet PDF文件第4页浏览型号LM320H-12的Datasheet PDF文件第5页浏览型号LM320H-12的Datasheet PDF文件第6页浏览型号LM320H-12的Datasheet PDF文件第7页 
November 1994  
LM120/LM320  
Series 3-Terminal Negative Regulators  
General Description  
Features  
The LM120 series are three-terminal negative regulators  
Y
g
Preset output voltage error less than 3%  
b
b
b
with a fixed output voltage of 5V, 12V, and 15V, and  
up to 1.5A load current capability. Where other voltages are  
required, the LM137 and LM137HV series provide an output  
Y
Y
Y
Preset current limit  
Internal thermal shutdown  
Operates with input-output voltage differential down to  
1V  
b
b
voltage range of 1.2V to 47V.  
The LM120 need only one external componentÐa compen-  
sation capacitor at the output, making them easy to apply.  
Worst case guarantees on output voltage deviation due to  
any combination of line, load or temperature variation as-  
sure satisfactory system operation.  
Y
Y
Y
Excellent ripple rejection  
Low temperature drift  
Easily adjustable to higher output voltage  
LM120 Series Packages and Power Capability  
Exceptional effort has been made to make the LM120 Se-  
ries immune to overload conditions. The regulators have  
current limiting which is independent of temperature, com-  
bined with thermal overload protection. Internal current limit-  
ing protects against momentary faults while thermal shut-  
down prevents junction temperatures from exceeding safe  
limits during prolonged overloads.  
Rated  
Power  
Dissipation  
Design  
Load  
Current  
Device  
Package  
LM120/LM320  
TO-3 (K)  
20W  
2W  
1.5A  
0.5A  
1.5A  
0.5A  
TO-39 (H)  
TO-220 (T)  
TO-202 (P)  
Although primarily intended for fixed output voltage applica-  
tions, the LM120 Series may be programmed for higher out-  
put voltages with a simple resistive divider. The low quies-  
cent drain current of the devices allows this technique to be  
used with good regulation.  
LM320  
15W  
7.5W  
LM320M  
Typical Applications  
Dual Trimmed Supply  
Fixed Regulator  
TL/H/7767–2  
*Required if regulator is separated from filter capacitor by more than 3 . For  
×
value given, capacitor must be solid tantalum. 25 mF aluminum electrolytic  
may be substituted.  
²
Required for stability. For value given, capacitor must be solid tantalum. 25  
mF aluminum electrolytic may substituted. Values given may be increased  
without limit.  
For output capacitance in excess of 100 mF, a high current diode from  
input to output (1N4001, etc.) will protect the regulator from momentary  
input shorts.  
TL/H/7767–3  
C
1995 National Semiconductor Corporation  
TL/H/7767  
RRD-B30M115/Printed in U. S. A.  
1234567...12

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