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參數(shù)資料
| 型號(hào)： | NCP631GD2TR4G |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 3.0 A Linear Voltage Regulator with Soft−Start |
| 中文描述： | 3.47 V FIXED POSITIVE LDO REGULATOR, 1.25 V DROPOUT, PSSO5 |
| 封裝： | LEAD FREE, D2PAK-5 |
| 文件頁(yè)數(shù)： | 1/9頁(yè) |
| 文件大?。?/td> | 137K |
| 代理商： | NCP631GD2TR4G |
Semiconductor Components Industries, LLC, 2006
April, 2006 Rev. 5
1
Publication Order Number:
NCP631/D
NCP631
3.0 A Linear Voltage
Regulator with SoftStart
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
accuracy. The SoftStart function allows control of start up times. This
prevents current spikes at start up due to output capacitor inrush
current. Internal protection features consist of output foldback current
limiting, and thermal shutdown. The NCP631 is available in D
2
PAK
package.
1.5%
Features
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
Current Limit Protection
Thermal Shutdown Protection
0
°
C to 125
°
C Junction Temperature Range
PbFree Packages are Available
1.5 %
Applications
Microprocessor Power Supplies
SMPS Post Regulation
Battery Chargers
DSP Power Supplies
NCP631
V
out
3.47
C
out
Cs
Shutdown
INPUT
C
in
4
5
3
1
2
Figure 1. Typical Application Circuit
MARKING DIAGRAM
http://onsemi.com
D
2
PAK
D2T SUFFIX
CASE 936A
1
5
Tab = Ground
Pin 1. Shutdown
2. V
in
3. Ground
4. V
out
5. SoftStart
NCP631GD2T = Device Code
A
= Assembly Location
WL = Wafer Lot
Y
= Year
WW = Work Week
G
= PbFree Package
Device
Package
Shipping
ORDERING INFORMATION
NCP631GD2TR4
D
2
PAK
800/Tape & Reel
NCP631GD2TR4G
D
2
PAK
(PbFree)
800/Tape & Reel
NCP631GD2T
D
2
PAK
50 Units / Tube
NCP631GD2TG
D
2
PAK
(PbFree)
50 Units / Tube
For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
NC
P631GD2T
AWLYWWG
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