LM317MDTG

更新时间： 2024-11-17 21:54:51

品牌	Logo	应用领域
安森美 - ONSEMI		稳压器
页数	文件大小	规格书
16页	156K
描述
Three-Terminal Adjustable Output Positive Voltage Regulator

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LM317MDTG 数据手册

LM317M

500 mA Adjustable Output,

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.

http://onsemi.com

Heatsink surface

connected to Pin 2

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.

TO−220AB

T SUFFIX

CASE 221A

Features

• Output Current in Excess of 500 mA

• 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

• Pb−Free Packages are Available

SOT−223

ST SUFFIX

CASE 318E

DPAK

DT SUFFIX

CASE 369C

out

Heatsink Surface (shown as terminal 4 in

case outline drawing) is connected to Pin 2.

out

LM317M

240

Adj

Adjust

1.0mF

PIN ASSIGNMENT

0.1mF

Adjust

out

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 12 of this data sheet.

ꢀ* = C is required if regulator is located an appreciable distance from power supply filter.

** = C is not needed for stability, however, it does improve transient response.

_{+ 1.2 ꢁꢁꢁ ꢁꢁ}ǒ_{1 )}Ǔ_{) I}

out

ꢁR

Adjꢁ

DEVICE MARKING INFORMATION

See general marking information in the device marking

section on page 13 of this data sheet.

Since I is controlled to less than 100 mA, the error associated with this

Adj

term is negligible in most applications.

Figure 1. Simplified Application

Semiconductor Components Industries, LLC, 2004

Publication Order Number:

August, 2004 − Rev. 12

LM317M/D

12 3 4 5 6 7...16

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LM317MDTG 替代型号

型号	品牌	替代类型	描述	数据表
LM317MBDTG	ONSEMI	类似代替	500 mA Adjustable Output, Positive Voltage Regulator
LM317MDTRKG	ONSEMI	类似代替	Three-Terminal Adjustable Output Positive Voltage Regulator
LM317MBDTRKG	ONSEMI	类似代替	Three-Terminal Adjustable Output Positive Voltage Regulator

与LM317MDTG相关器件

型号	品牌	获取价格	描述	数据表
LM317MDTRK	ONSEMI	获取价格	Three-Terminal Adjustable Output Positive Voltage Regulator
LM317MDTRKG	ONSEMI	获取价格	Three-Terminal Adjustable Output Positive Voltage Regulator
LM317MDTT4	MOTOROLA	获取价格	Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, BIPolar, PSSO2, PLASTIC, DPAK-3
LM317MDT-TR	STMICROELECTRONICS	获取价格	Medium current 1.2 to 37 V adjustable voltage regulator
LM317MDTX	TI	获取价格	1.2 V-37V ADJUSTABLE POSITIVE REGULATOR, PSSO2, TO-252, DPAK-3
LM317MDTX	NSC	获取价格	3-Terminal Adjustable Regulator
LM317MDTX/NOPB	TI	获取价格	LM117/LM317A/LM317-N 3-Terminal Adjustable Regulator
LM317MG-AA3-R	UTC	获取价格	MEDIUM CURRENT 1.2V TO 37V ADJUSTABLE VOLTAGE REGULATOR
LM317MG-S08-R	UTC	获取价格	MEDIUM CURRENT 1.2V TO 37V ADJUSTABLE VOLTAGE REGULATOR
LM317MG-S08-T	UTC	获取价格	MEDIUM CURRENT 1.2V TO 37V ADJUSTABLE VOLTAGE REGULATOR

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