Datasheet > NCV317MA

NCV317MA

更新时间： 2024-11-21 01:23:23

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
14页	141K
描述
500 mA Adjustable Output Positive Voltage Regulator

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NCV317MA 数据手册

LM317M, NCV317MA,

NCV317M

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 221AB

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

• NCV Prefix for Automotive and Other Applications Requiring

Unique Site and Control Change Requirements; AEC−Q100

Qualified and PPAP Capable

SOT−223

ST SUFFIX

CASE 318E

DPAK

DT SUFFIX

CASE 369C

Heatsink Surface (shown as terminal 4 in

case outline drawing) is connected to Pin 2.

• These are Pb−Free Devices

out

LM317M

PIN ASSIGNMENT

240

Adjust

Adj

Adjust

out

0.1mF

1.0mF

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 10 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.

DEVICE MARKING INFORMATION

See general marking information in the device marking

section on page 11 of this data sheet.

_{+ 1.25ꢁꢁꢁVꢁꢁ}ǒ_{1 )}Ǔ_{) I}

out

ꢁR

Adjꢁ

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

Publication Order Number:

August, 2014 − Rev. 24

LM317M/D

12 3 4 5 6 7...14

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