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PDF NCP566 Data sheet ( Hoja de datos )
| Número de pieza | NCP566 | |
| Descripción | Low Dropout Linear Regulator | |
| Fabricantes | ON Semiconductor | |
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NCP566
1.5 A Low Dropout
Linear Regulator
The NCP566 low dropout linear regulator will provide 1.5 A at a
fixed output voltage. The fast loop response and low dropout voltage
make this regulator ideal for applications where low voltage and good
load transient response are important. Device protection includes
current limit, short circuit protection, and thermal shutdown.
Features
• Ultra Fast Transient Response (t1.0 ms)
• Low Ground Current (1.5 mA @ Iout = 1.5 A)
• Low Dropout Voltage (0.9 V @ Iout = 1.5 A)
• Low Noise (37 mVrms)
• 1.2 V, 1.8 V, 2.5 V Fixed Output Versions.
Other Fixed Voltages Available on Request
• Current Limit Protection
• Thermal Shutdown Protection
• These are Pb−Free Devices
Typical Applications
• Servers
• ASIC Power Supplies
• Post Regulation for Power Supplies
• Constant Current Source
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MARKING
DIAGRAMS
SOT−223
CASE 318E
AYM
566xx G
G
1
xx =
A=
Y=
M=
G=
Voltage Rating
12 = 1.2 V
18 = 1.8 V
25 = 2.5 V
Assembly Location
Year
Date Code
Pb−Free Package
(Note: Microdot may be in either location)
PIN CONNECTIONS
Vin 1
GND 2
Vout 3
GND
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 9 of this data sheet.
© Semiconductor Components Industries, LLC, 2007
March, 2007 − Rev. 0
1
Publication Order Number:
NCP566/D
1 page  
NCP566
TYPICAL CHARACTERISTICS
1.70 1.80
1.65
1.60
1.55
1.50
1.45
1.40
−50
Iout = 1.5 A
−25 0 25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 7. Ground Current vs. Temperature
1.75
1.70
1.65
1.60
1.55
0
300 600
900 1200 1500
Iout, OUTPUT CURRENT (mA)
Figure 8. Ground Current vs. Output Current
100
90
80
70
60
50
40
30
20
10
0
10
Iout = 1.5 A
100
1000
10000 100000 1000000
F, FREQUENCY (Hz)
Figure 9. Ripple Rejection vs. Frequency
1000
100
Unstable
10
Stable
Vout = 2.5 V
Cout = 10 mF
1
0
250 500
750 1000 1250 1500
OUTPUT CURRENT (mA)
Figure 10. Output Capacitor ESR Stability vs.
Output Current
Vout = 1.2 V
Vout = 1.2 V
Figure 11. Load Transient from 10 mA to 1.5 A
Figure 12. Load Transient from 10 mA to 1.5 A
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| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet NCP566.PDF ] | |
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