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LM317LCPKG3 PDF预览

LM317LCPKG3

更新时间： 2024-11-19 11:06:43
品牌 Logo 应用领域
德州仪器 - TI 电源电路线性稳压器IC
页数 文件大小 规格书
12页 268K
描述
100mA、35V 可调节线性稳压器 | PK | 3 | 0 to 125

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LM317LCPKG3 数据手册

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SLCS144 − JULY 2004  
D OR PW PACKAGE  
(TOP VIEW)  
D
Output Voltage Range Adjustable From  
1.2 V to 32 V When Used With an External  
Resistor Divider  
INPUT  
NC  
1
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3
4
8
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5
D
D
Output Current Capability of 100 mA  
OUTPUT  
OUTPUT  
ADJUSTMENT  
OUTPUT  
OUTPUT  
NC  
Input Regulation Typically 0.01% Per  
Input-Voltage Change  
D
D
D
Output Regulation Typically 0.5%  
Ripple Rejection Typically 80 dB  
NC − No internal connection  
OUTPUT terminals are all internally connected.  
For Higher Output Current Requirements,  
See LM317M (500 mA) and LM317 (1.5 A)  
LP PACKAGE  
(TOP VIEW)  
description/ordering information  
INPUT  
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.  
OUTPUT  
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.  
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.  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
†
T
J
PACKAGE  
Tube of 75  
LM317LCD  
SOIC (D)  
L317LC  
L317LC  
L317LC  
Reel of 2500  
Bulk of 1000  
Reel of 2000  
Tube of 150  
Reel of 2000  
LM317LCDR  
LM317LCLP  
LM317LCLPR  
LM317LCPW  
LM317LCPWR  
0°C to 125°C  
TO-226 / TO-92 (LP)  
TSSOP (PW)  
†
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design  
guidelines are available at www.ti.com/sc/package.  
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.  
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Copyright 2004, Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...12

中文翻译

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LM317LCPKG3 替代型号

型号 品牌 替代类型 描述 数据表
LM317LIPK TI

类似代替

 3-TERMINAL ADJUSTABLE REGULATOR
LM317LCPK TI

类似代替

 3-TERMINAL ADJUSTABLE REGULATOR

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