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LM317MBDT-1T4 PDF预览

LM317MBDT-1T4

更新时间： 2024-11-19 07:20:55
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA /
页数 文件大小 规格书
10页 189K
描述
Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, BIPolar, PSIP3, PLASTIC, DPAK-3

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LM317MBDT-1T4 数据手册

 浏览型号LM317MBDT-1T4的Datasheet PDF文件第2页浏览型号LM317MBDT-1T4的Datasheet PDF文件第3页浏览型号LM317MBDT-1T4的Datasheet PDF文件第4页浏览型号LM317MBDT-1T4的Datasheet PDF文件第5页浏览型号LM317MBDT-1T4的Datasheet PDF文件第6页浏览型号LM317MBDT-1T4的Datasheet PDF文件第7页 
Order this document by LM317M/D  
MEDIUM CURRENT  
THREE–TERMINAL  
ADJUSTABLE POSITIVE  
VOLTAGE REGULATOR  
The LM317M is an adjustable three–terminal positive voltage regulator  
capable of supplying in excess of 500 mA over an output voltage range of  
1.2 V to 37 V. This voltage regulator is exceptionally easy to use and requires  
only two external resistors to set the output voltage. Further, it employs  
internal current limiting, thermal shutdown and safe area compensation,  
making it essentially blow–out proof.  
The LM317M serves a wide variety of applications including local,  
on–card regulation. This device also makes an especially simple adjustable  
switching regulator, a programmable output regulator, or by connecting a  
fixed resistor between the adjustment and output, the LM317M can be used  
as a precision current regulator.  
SEMICONDUCTOR  
TECHNICAL DATA  
T SUFFIX  
PLASTIC PACKAGE  
CASE 221A  
Heatsink surface  
connected to Pin 2  
(All 3 Packages)  
• Output Current in Excess of 500 mA  
Pin 1. Adjust  
1
2. V  
• Output Adjustable between 1.2 V and 37 V  
• Internal Thermal Overload Protection  
• Internal Short Circuit Current Limiting  
• Output Transistor Safe–Area Compensation  
• Floating Operation for High Voltage Applications  
• Eliminates Stocking Many Fixed Voltages  
out  
2
3
3. V  
in  
DT–1 SUFFIX  
PLASTIC PACKAGE  
CASE 369  
1
(DPAK)  
2
3
DT SUFFIX  
PLASTIC PACKAGE  
CASE 369A  
1
(DPAK)  
3
Simplified Application  
Heatsink Surface (shown as terminal 4 in  
case outline drawing) is connected to Pin 2.  
V
V
out  
in  
V
V
LM317M  
in  
out  
ORDERING INFORMATION  
Operating  
R
240  
1
Temperature Range  
Device  
Package  
I
Adj  
Adjust  
**  
*
+
Plastic  
Power  
LM317MT  
LM317MAT  
C
C
in  
O
T = 0° to +125°C  
J
0.1  
µ
F
1.0µF  
Plastic  
Power  
LM317MBT#  
LM317MABT#  
T = –40° to +125°C  
J
R
2
LM317MDT  
LM317MADT  
LM317MDT–1  
LM317MADT–1  
T = 0° to 125°C  
DPAK  
DPAK  
J
LM317MBDT  
* = C is required if regulator is located an appreciable distance from power supply filter.  
in  
LM317MABDT  
LM317MBDT–1  
LM317MABDT–1  
T = –40° to 125°C  
J
** = C is not needed for stability, however, it does improve transient response.  
O
R
R
2
1
V
1.25 V  
1
I
R
out  
Adj 2  
# Automotive temperature range selections are  
# available with special test conditions and additional  
# tests. Contact your local Motorola sales office for  
# information.  
Since I  
is controlled to less than 100  
µA, the error associated with this  
Adj  
term is negligible in most applications.  
Motorola, Inc. 1998  
Rev4  
1234567...10

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