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PDF NCP5666 Data sheet ( Hoja de datos )
| Número de pieza | NCP5666 | |
| Descripción | 3.0 A / Low Dropout Linear Regulator | |
| Fabricantes | ON Semiconductor | |
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NCP5666
3.0 A, Low Dropout Linear
Regulator with Enable
The NCP5666 is a high performance, low dropout linear regulator
designed for high power applications that require up to 3.0 A current
with Enable. A thermally robust, 5 pin D2PAK, combined with an
architecture that offers low ground current (independent of load),
provides for a superior high-current LDO solution.
Features
•ă±1% Output Voltage Accuracy
•ăUltra-Fast Transient Response (Settling Time: 1-3 ms)
•ăLow Noise Without Bypass Capacitor (57 mVrms)
•ăLow Ground Current Independent of Load (3.0 mA Maximum)
•ăEnable Function
•ăCurrent Limit Protection
•ăThermal Protection
•ăPower Supply Rejection Ratio > 65 dB
•ăStable with Aluminum, Tantalum and Ceramic Capacitors
•ăPin Compatible with Semtech Device
•ăThis is a Pb-Free Device
Applications
•ăServers
•ăASIC Power Supplies
•ăPost Regulation for Power Supplies
•ăConstant Current Source
•ăNetworking Equipment
•ăGaming and STB Modules
Vin
Cin*
Vin Vout
NCP5666
Vout
Cout**
Enable
EN GND
OFF ON
* Cin - 4.7 mF to 220 mF recommended
**Cout - 2.2 mF to 220 mF recommended
www.DataSSheeeetm4Uor.ecodmetails in the Application Information section
Figure 1. Typical Application Circuit
http://onsemi.com
MARKING
DIAGRAM
1
5
D2PAK
CASE 936A
NC
5666DSxx
AWLYWWG
xx = Voltage Option
= 25 = 2.5 V
= 50 = 5.0 V
A = Assembly Location
WL = Wafer Lot
Y = Year
WW = Work Week
G = Pb-Free
Tab = GND
Pin 1. Vin
2. EN
3. GND
4. NC
5. Vout
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 8 of this data sheet.
©Ă Semiconductor Components Industries, LLC, 2007
October, 2007 - Rev. 1
1
Publication Order Number:
NCP5666/D
1 page  
NCP5666
TYPICAL CHARACTERISTICS
1.4 1.4
1.2 1.2
Iout = 3.0 A
0°C
1.0 1.0 -40°C
Iout = 1.5 A
0.8 0.8
25°C
0.6
Iout = 0.5 A
0.6
150°C
0.4 0.4
0.2 0.2
0.0
-50
-25 0 25 50 75 100 125
TA, AMBIENT TEMPERATURE (°C)
Figure 1. Dropout Voltage vs. Ambient
Temperature
150
0.0
0
0.5 1.0 1.5 2.0 2.5 3.0
Iout, OUTPUT CURRENT (A)
Figure 2. Dropout Voltage vs. Output Current
5.10
5.08
5.06
5.04
5.02
Iout = 3.0 A
5.00
4.98
Iout = 10 mA
4.96
4.94
4.92
4.90
-50
-25
0
Vout(nom) = 5.0 V
25 50 75 100 125 150
TA, AMBIENT TEMPERATURE (°C)
Figure 3. Output Voltage vs. Ambient Temperature
2.55
2.54
2.53
2.52
2.51
2.50
Iout = 10 mA
2.49
2.48
Iout = 3.0 A
2.47
2.46
2.45
-50
-25
0
Vout(nom) = 2.5 V
25 50 75 100 125 150
TA, AMBIENT TEMPERATURE (°C)
Figure 4. Output Voltage vs. Ambient Temperature
2.5
2.4 Iout = 3.0 A
2.3
2.2
2.1
2.0
1.9
1.8
1.7
www.DataS1h.6eet4U.com
1.5
-50 -25
0
Vout(nom) = 5.0 V
25 50 75 100 125 150
TA, AMBIENT TEMPERATURE (°C)
Figure 5. Ground Current vs. Ambient
Temperature
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
-50
Iout = 3.0 A
Vout(nom) = 2.5 V
-25 0 25 50 75 100 125 150
TA, AMBIENT TEMPERATURE (°C)
Figure 6. Ground Current vs. Ambient
Temperature
http://onsemi.com
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet NCP5666.PDF ] | |
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