Datasheet > NCP631/D

NCP631/D

更新时间： 2024-11-25 23:53:27

品牌	Logo	应用领域
安森美 - ONSEMI		稳压器软启动
页数	文件大小	规格书
10页	87K
描述
3.0 A Linear Voltage Regulator with Soft Start

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NCP631/D 数据手册

NCP631

3.0 A Linear Voltage

Regulator with Soft Start

The NCP631 is a low dropout positive voltage regulator that is

capable of providing a guaranteed output current of 3.0 A with a

maximum dropout voltage of 1.25 V at 3.0 A over temperature. The

NCP631 is currently offered as a fixed voltage version at 3.47 V. On

chip trimming adjusts the reference/output voltage to within "1.5%

accuracy. The soft start function allows control of start up times. This

prevents current spikes at start up due to output capacitor in-rush

current. Internal protection features consist of output foldback current

http://onsemi.com

D PAK

D2T SUFFIX

CASE 936A

limiting, and thermal shutdown. The NCP631 is available in D PAK

package.

Tab = Ground

Pin 1. Shutdown

2. V

Features

• Output Current of 3.0 A

3. Ground

4. V

• 1.25 V Maximum Dropout Voltage at 3.0 A Over Temperature

• Voltage on Shutdown Pin is TTL compatible

• Reference/Output Voltage Trimmed to "1.5 %

• Current Limit Protection

• Thermal Shutdown Protection

• 0°C to 125°C Junction Temperature Range

out

5. Soft Start

MARKING

DIAGRAM

Applications

P631GD2T

AWLYWW

• Microprocessor Power Supplies

• SMPS Post Regulation

• Battery Chargers

• DSP Power Supplies

NCP631 = Specific Device Code

= Assembly Location

WL = Wafer Lot

= Year

WW = Work Week

INPUT

3.47

NCP631

out

ORDERING INFORMATION

Shutdown

Device

OUT

Package Shipping

Figure 1. Typical Application Circuit

NCP631GD2TR4

3.47

D PAK

800/Tape

& Reel

Semiconductor Components Industries, LLC, 2003

Publication Order Number:

April, 2003 - Rev. 3

NCP631/D

12 3 4 5 6 7...10

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