Datasheet > NCP630

NCP630

更新时间： 2024-11-22 22:50:55

品牌	Logo	应用领域
安森美 - ONSEMI		稳压器
页数	文件大小	规格书
10页	94K
描述
3.0 A Fast Linear Voltage Regulators

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NCP630 数据手册

NCP630

3.0 A Fast Linear Voltage

Regulators

The NCP630 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

fast turn on time allows step changes in loads commonly found in low

voltage microprocessor applications. The NCP630 is currently offered

as an adjustable output version that can be programmed down to 1.2 V

with two external resistors and as a fixed output version at 3.47 V. On

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

accuracy. Internal protection features consist of output current limiting

http://onsemi.com

MARKING

DIAGRAM

and thermal shutdown. NCP630 is available in D PAK package.

D PAK

D2T SUFFIX

CASE 936A

Features

AWLYWW

• Output Current of 3.0 A

• 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

• -40 °C to 125°C Junction Temperature Range

NCP630A

NCP630G

Tab = Ground

Pin 1. Shutdown

Tab = Ground

Pin 1. Shutdown

2. V

3. Ground

4. V

3. Ground

4. V

out

5. Adj

5. Sense

Applications

• Microprocessor Power Supplies

• DSP Power Supplies

• SMPS Post Regulation

• Battery Chargers

xx = Specific Device Code

= Assembly Location

WL = Wafer Lot

= Year

WW = Work Week

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 9 of this data sheet.

out

@ 3 A

out

INPUT

68 mF

INPUT

68 mF

@ 3 A

33 mF

NCP630A

ADJ

NCP630G

SENSE

GND

Shutdown

GND

10 kW

1.216

out

_{R2 + R1}ǒ _{* 1}Ǔ

Figure 1. Typical Application Circuit for NCP630A

Figure 2. Typical Application Circuit for NCP630G

Semiconductor Components Industries, LLC, 2003

Publication Order Number:

January, 2003 - Rev. 3

NCP630/D

12 3 4 5 6 7...10

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