LM317M

更新时间： 2024-11-03 22:47:07

品牌	Logo	应用领域
德州仪器 - TI		稳压器
页数	文件大小	规格书
11页	183K
描述
3-TERMINAL ADJUSTABLE REGULATOR

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LM317M 数据手册

LM317M

3-TERMINAL ADJUSTABLE REGULATOR

www.ti.com

SLVS297M–APRIL 2000–REVISED OCTOBER 2005

FEATURES

KTP PACKAGE

(TOP VIEW)

•

Output Voltage Range Adjustable From 1.25 V

to 37 V

INPUT

•

Output Current Greater Than 500 mA

Internal Short-Circuit Current Limiting

Thermal-Overload Protection

ADJUST

Output Safe-Area Compensation

Q Devices Meet Automotive Performance

Requirements

DCY PACKAGE

(TOP VIEW)

•

Customer-Specific Configuration Control Can

Be Supported for Q Devices Along With

Major-Change Approval

INPUT

OUTPUT

ADJUST

DESCRIPTION/ORDERING INFORMATION

The LM317M is an adjustable 3-terminal positive-voltage regulator capable of supplying more than 500 mA over

an output-voltage range of 1.25 V to 37 V. The LM317M is exceptionally easy to use and requires only two

external resistors to set the output voltage. Furthermore, both line and load regulation are better than standard

fixed regulators.

In addition to having higher performance than fixed regulators, the device includes on-chip current limiting,

thermal-overload protection, and safe-operating-area protection. All overload protection remains fully functional if

the ADJUST terminal is disconnected.

Normally, no capacitors are needed unless the device is more than six inches from the input filter capacitors, in

which case an input bypass capacitor is needed. An optional output capacitor can be added to improve transient

response. The ADJUST terminal can be bypassed to achieve high ripple-rejection ratios, which are difficult to

achieve with standard three-terminal regulators.

ORDERING INFORMATION

T_J

PACKAGE⁽¹⁾

ORDERABLE PART NUMBER

LM317MKTPR

TOP-SIDE MARKING

LM317M

PowerFLEX™ – KTP

Reel of 2000

0°C to 125°C

Tube of 80

LM317MDCY

SOT – DCY

Reel of 2500

Reel of 2000

LM317MDCYR

PowerFLEX – KTP

SOT – DCY

LM317MQKTPR

317MQ

–40°C to 125°C

LM317MQDCYR

Reel of 2500

LM317MQDCYRG3

(1) 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.

PowerFLEX is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...11

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LM317M 替代型号

型号	品牌	替代类型	描述	数据表
LM317	TI	类似代替	3-TERMINAL ADJUSTABLE REGULATOR
LM317L	TI	功能相似	3-TERMINAL ADJUSTABLE REGULATOR

与LM317M相关器件

型号	品牌	获取价格	描述	数据表
LM317M(SOT-223)	UTC	获取价格	Regulator, 1 Output, BIPolar,
LM317M(TO-220)	UTC	获取价格	Regulator, 1 Output, BIPolar,
LM317M/D	ETC	获取价格	Three-Terminal Adjustable Output Positive Voltage Regulator
LM317M_06	ONSEMI	获取价格	500 mA Adjustable Output, Positive Voltage Regulator
LM317M_07	TI	获取价格	3-TERMINAL ADJUSTABLE REGULATOR
LM317M_0701	TI	获取价格	3-TERMINAL ADJUSTABLE REGULATOR
LM317M_08	TI	获取价格	3-TERMINAL ADJUSTABLE REGULATOR
LM317M_10	UTC	获取价格	MEDIUM CURRENT 1.2V TO 37V ADJUSTABLE VOLTAGE REGULATOR
LM317M_11	UTC	获取价格	MEDIUM CURRENT 1.2V TO 37V ADJUSTABLE VOLTAGE REGULATOR
LM317M_11	FAIRCHILD	获取价格	3-Terminal 0.5A Positive Adjustable Regulator

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