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LM317LCDE4 PDF预览

LM317LCDE4

更新时间： 2024-11-18 21:00:39
品牌 Logo 应用领域
德州仪器 - TI 光电二极管输出元件调节器
页数 文件大小 规格书
17页 932K
描述
1.2 V-32V ADJUSTABLE POSITIVE REGULATOR, PDSO8, GREEN, PLASTIC, MS-012AA, SOIC-8

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LM317LCDE4 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：SOP, SOP8,.25针数：8
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.07
可调性：ADJUSTABLE最大差分输入-输出电压：35 V
最小差分输入-输出电压：5 VJESD-30 代码：R-PDSO-G8
JESD-609代码：e4长度：4.9 mm
最大电网调整率 (%/V)：0.05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：最大输出电流 1：0.1 A
最大输出电压 1：32 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：TUBE
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：Nickel/Palladium/Gold (Ni/Pd/Au)
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：NOT SPECIFIED
宽度：3.9 mmBase Number Matches：1

LM317LCDE4 数据手册

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LM317L  
www.ti.com  
SLCS144D –JULY 2004–REVISED OCTOBER 2011  
3-TERMINAL ADJUSTABLE REGULATOR  
Check for Samples: LM317L  
1
FEATURES  
•
Output Voltage Range Adjustable 1.2 V to 32 V  
When Used With External Resistor Divider  
•
•
•
Output Regulation Typically 0.5%  
Ripple Rejection Typically 80 dB  
•
•
Output Current Capability of 100 mA  
For Higher Output Current Requirements,  
See LM317M (500 mA) and LM317 (1.5 A)  
Input Regulation Typically 0.01% Per  
Input-Voltage Change  
D PACKAGE  
(TOP VIEW)  
PW PACKAGE  
(TOP VIEW)  
INPUT  
OUTPUT  
NC  
INPUT  
NC  
NC  
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
OUTPUT  
OUTPUT  
NC  
NC  
OUTPUT  
NC  
OUTPUT  
NC  
ADJUSTMENT  
ADJUSTMENT  
NC – No internal connection  
OUTPUT terminals are all internally connected.  
NC – No internal connection  
LP PACKAGE  
(TOP VIEW)  
PK PACKAGE  
(TOP VIEW)  
INPUT  
INPUT  
OUTPUT  
OUTPUT  
ADJUSTMENT  
ADJUSTMENT  
DESCRIPTION/ORDERING INFORMATION  
The LM317L is an adjustable three-terminal positive-voltage regulator capable of supplying 100 mA over an  
output-voltage range of 1.2 V to 32 V. It is exceptionally easy to use and requires only two external resistors to  
set the output voltage.  
In addition to higher performance than fixed regulators, this regulator offers full overload protection, available  
only in integrated circuits. Included on the chip are current-limiting and thermal-overload protection. All  
overload-protection circuitry remains fully functional even when ADJUSTMENT is disconnected. Normally, no  
capacitors are needed unless the device is situated far from the input filter capacitors, in which case an input  
bypass is needed. An optional output capacitor can be added to improve transient response. ADJUSTMENT can  
be bypassed to achieve very high ripple rejection, which is difficult to achieve with standard three-terminal  
regulators.  
In addition to replacing fixed regulators, the LM317L regulator is useful in a wide variety of other applications.  
Since the regulator is floating 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. Its primary  
application is that of a programmable output regulator, but by connecting a fixed resistor between ADJUSTMENT  
and OUTPUT, this device can be used as a precision current regulator. Supplies with electronic shutdown can be  
achieved by clamping ADJUSTMENT to ground, programming the output to 1.2 V, where most loads draw little  
current.  
The LM317LC is characterized for operation over the virtual junction temperature range of 0°C to 125°C. The  
LM317LI is characterized for operation over the virtual junction temperature range of –40°C to 125°C.  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2004–2011, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
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