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PDF NCP4683 Data sheet ( Hoja de datos )

Número de pieza NCP4683
Descripción Low Dropout Regulator
Fabricantes ON Semiconductor 
Logotipo ON Semiconductor Logotipo



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No Preview Available ! NCP4683 Hoja de datos, Descripción, Manual

NCP4683
300 mA, Low Dropout
Regulator
The NCP4683 is a CMOS Linear voltage regulator with 300 mA
output current capability. The device has high output voltage accuracy,
low supply current and high ripple rejection. The NCP4683 is easy to
use, with output current fold−back protection circuit included. A Chip
Enable function is included to save power by lowering supply current.
The line and load transient responses are very good, thus this regulator
is suitable for use as a power supply for communication equipment.
Features
Operating Input Voltage Range: 1.40 V to 5.25 V
Output Voltage Range: 0.8 V to 3.6 V (available in 0.1 V steps)
Output Voltage Accuracy: ±1.0% (VOUT > 2.0 V)
Supply Current: 50 mA
Dropout Voltage: 0.25 V (IOUT = 300 mA, VOUT = 2.8 V)
High PSRR: 70 dB (f = 1 kHz)
Line Regulation: 0.02%/V Typ.
Stable with Ceramic Capacitors: 1.0 mF or more
Current Fold Back Protection
Available in UDFN4 1.0 x 1.0 mm, SC−70, SOT23 Packages
These are Pb−Free Devices
Typical Applications
Battery−powered Equipment
Networking and Communication Equipment
Cameras, DVRs, STB and Camcorders
Home Appliances
VIN
C1
1m
NCP4683x
VIN VOUT
CE
GND
VOUT
C2
1m
www.onsemi.com
MARKING
DIAGRAMS
SOT−23−5
CASE 1212
XXX
M
SC−70
CASE 419A
XXX
XMM
1
UDFN4
CASE 517BR
XX
MM
1
XX, XXX, XXXX = Specific Device Code
M, MM
= Date Code
ORDERING INFORMATION
See detailed ordering, marking and shipping information in the
package dimensions section on page 18 of this data sheet.
Figure 1. Typical Application Schematic
© Semiconductor Components Industries, LLC, 2016
February, 2016 − Rev. 3
1
Publication Order Number:
NCP4683/D

1 page




NCP4683 pdf
NCP4683
TYPICAL CHARACTERISTICS
0.25 0.25
0.20
0.15
0.10
0.05
25°C
TJ = 85°C
−40°C
0.20
0.15
0.10
0.05
25°C
TJ = 85°C
−40°C
0
0 50 100 150 200 250 300
IOUT (mA)
Figure 9. Dropout Voltage vs. Output Current
2.8 V Version
0
0 50 100 150 200 250 300
IOUT (mA)
Figure 10. Dropout Voltage vs. Output Current
3.3 V Version
1.25
VIN = 2.2 V
1.24
1.23
1.22
1.21
1.20
1.19
1.18
1.17
1.16
1.15
−40
−20
0
20 40 60 80
TJ, JUNCTION TEMPERATURE (°C)
Figure 11. Output Voltage vs. Temperature,
1.2 V Version
1.85
1.84
VIN = 2.8 V
1.83
1.82
1.81
1.80
1.79
1.78
1.77
1.76
1.75
−40
−20
0
20 40 60 80
TJ, JUNCTION TEMPERATURE (°C)
Figure 12. Output Voltage vs. Temperature,
1.8 V Version
2.85
VIN = 3.8 V
2.84
2.83
2.82
2.81
2.80
2.79
2.78
2.77
2.76
2.75
−40
−20
0
20 40 60 80
TJ, JUNCTION TEMPERATURE (°C)
Figure 13. Output Voltage vs. Temperature,
2.8 V Version
3.35
VIN = 4.3 V
3.34
3.33
3.32
3.31
3.30
3.29
3.28
3.27
3.26
3.25
−40
−20
0
20 40 60 80
TJ, JUNCTION TEMPERATURE (°C)
Figure 14. Output Voltage vs. Temperature,
3.3 V Version
www.onsemi.com
5

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NCP4683 arduino
NCP4683
TYPICAL CHARACTERISTICS
45
30
15
0
1.82
1.81
1.80
1.79
1.78
1.77
0
40 80 120 160 200 240 280 320 360 400
t (ms)
Figure 40. Load Transients, 1.8 V Version,
IOUT = 1 – 30 mA, tR = tF = 0.5 ms, VIN = 2.8 V
45
30
15
0
2.82
2.81
2.80
2.79
2.78
2.77
0
40 80 120 160 200 240 280 320 360 400
t (ms)
Figure 41. Load Transients, 2.8 V Version,
IOUT = 1 – 30 mA, tR = tF = 0.5 ms, VIN = 3.8 V
45
30
15
0
3.32
3.31
3.30
3.29
3.28
3.27
0
40 80 120 160 200 240 280 320 360 400
t (ms)
Figure 42. Load Transients, 3.3 V Version,
IOUT = 1 – 30 mA, tR = tF = 0.5 ms, VIN = 4.3 V
www.onsemi.com
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