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TL317QDR PDF预览

TL317QDR

更新时间： 2024-11-04 21:12:03
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
20页 981K
描述
1.2 V-32V ADJUSTABLE POSITIVE REGULATOR, PDSO8, SO-8

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TL317QDR 技术参数

生命周期：Obsolete零件包装代码：SOIC
包装说明：SO-8针数：8
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.66
最大差分输入-输出电压：35 V最小差分输入-输出电压：5 V
JESD-30 代码：R-PDSO-G8长度：4.9 mm
功能数量：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封装形状：RECTANGULAR
封装形式：SMALL OUTLINE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
表面贴装：YES技术：BIPOLAR
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL宽度：3.9 mm
Base Number Matches：1

TL317QDR 数据手册

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TL317  
www.ti.com  
SLVS004H –APRIL 1979–REVISED OCTOBER 2011  
3-TERMINAL ADJUSTABLE REGULATOR  
Check for Samples: TL317  
1
FEATURES  
D PACKAGE  
(TOP VIEW)  
•
Output Voltage Range Adjustable From  
1.25 V to 32 V When Used With an External  
Resistor Divider  
INPUT  
OUTPUT  
NC  
1
2
3
4
8
7
6
5
•
•
Output Current Capability of 100 mA  
OUTPUT  
OUTPUT  
NC  
OUTPUT  
Input Regulation Typically 0.01% Per  
Input-Voltage Change  
ADJUSTMENT  
•
•
Output Regulation Typically 0.5%  
Ripple Rejection Typically 80 dB  
NC No internal connection  
OUTPUT terminals are all internally connected.  
DESCRIPTION  
PW PACKAGE  
(TOP VIEW)  
The TL317 is an adjustable three-terminal  
positive-voltage regulator capable of supplying 100  
mA over an output-voltage range of 1.25 V to 32 V. It  
is exceptionally easy to use and requires only two  
external resistors to set the output voltage.  
INPUT  
NC  
NC  
1
2
3
4
8
7
6
5
NC  
NC  
OUTPUT  
NC  
ADJUSTMENT  
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.  
NC No internal connection  
PS PACKAGE  
(TOP VIEW)  
INPUT  
NC  
OUTPUT  
NC  
1
2
3
4
8
7
6
5
NC  
ADJUSTMENT  
NC  
NC  
NC No internal connection  
LP PACKAGE  
(TOP VIEW)  
INPUT  
OUTPUT  
ADJUSTMENT  
In addition to replacing fixed regulators, the TL317 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.  
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 © 1979–2011, 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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