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PDF NCP5667 Data sheet ( Hoja de datos )
| Número de pieza | NCP5667 | |
| Descripción | 3.0 A / Low Dropout Linear Regulator | |
| Fabricantes | ON Semiconductor | |
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NCP5667
3.0 A, Low Dropout Linear
Regulator with Enhanced ESD
Protection
The NCP5667 is a high performance, low dropout linear regulator
designed for high power applications that require up to 3.0 A current.
A thermally robust, 3 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)
•ăEnhanced ESD Ratings: 4 kV (HBM), 400 V (MM)
•ăLow Ground Current Independent of Load (3.0 mA Maximum)
•ăCurrent Limit Protection
•ăThermal Protection
•ăPower Supply Rejection Ratio > 65 dB
•ăStable with Aluminum, Tantalum and Ceramic Capacitors
•ăFunctional Substitute for LM323
•ăThis is a Pb-Free Device
Applications
•ăServers
•ăDTV and Flat Panel Applications
•ăPost Regulation for Power Supplies
•ăLaptop Computing Applications
•ăUSB Powered Applications
•ăNetworking Equipment
•ăGaming and STB Modules
Vin
Cin*
Vin Vout
NCP5667
Vout
Cout**
http://onsemi.com
MARKING
DIAGRAM
1
3
D2PAK3
CASE 936
NC
5667DSxx
AWLYWWG
xx = Voltage Option
= 50 = 5.0 V
A = Assembly Location
WL = Wafer Lot
Y = Year
WW = Work Week
G = Pb-Free
Tab = GND
Pin 1. Vin
2. GND
3. Vout
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 8 of this data sheet.
GND
* Cin - 4.7 mF to 220 mF recommended
**Cout - 2.2 mF to 220 mF recommended
See more details in the Application Information section
www.DataSheet4U.com
Figure 1. Typical Application Circuit
©Ă Semiconductor Components Industries, LLC, 2007
October, 2007 - Rev. 0
1
Publication Order Number:
NCP5667/D
1 page  
NCP5667
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
Vout(nom) = 5.0 V
-25 0 25 50 75 100 125 150
TA, AMBIENT TEMPERATURE (°C)
Figure 3. Output Voltage vs. Ambient Temperature
5.00
4.75
4.50
4.25
4.00
3.75
3.50
3.25
www.DataSheet4U.com
3.00
-50 -25 0
25 50 75 100 125
TA, AMBIENT TEMPERATURE (°C)
150
Figure 5. Short Circuit Current Limit vs. Ambient
Temperature
2.5
2.4
2.3
2.2
2.1
2.0
1.9
1.8
1.7
1.6
1.5
-50
Iout = 3.0 A
Vout(nom) = 5.0 V
-25 0 25 50 75 100 125
TA, AMBIENT TEMPERATURE (°C)
Figure 4. Ground Current vs. Ambient
Temperature
150
1.2
TA = 25°C
1.0 L = 25 mm Copper
0.8
0.6
0.4
0.2
0.0
0
2 4 6 8 10 12 14 16 20
INPUT-OUTPUT VOLTAGE DIFFERENTIAL (V)
Figure 6. Output Current vs. Input-Output
Voltage Differential
http://onsemi.com
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet NCP5667.PDF ] | |
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