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PDF NCP4589 Data sheet ( Hoja de datos )
| Número de pieza | NCP4589 | |
| Descripción | LDO Linear Voltage Regulator | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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NCP4589
300 mA, Tri-Mode, LDO
Linear Voltage Regulator
The NCP4589 is a CMOS 300 mA LDO which switches to a low
power mode under light current loads. The device automatically
switches back to a fast response mode as the output load increases
above 3 mA (typ.). The device can be placed in permanent fast mode
through a mode select pin. The family is available in a variety of
packages: SC−70, SOT23 and a small, ultra thin 1.2 x 1.2 x 0.4 mm
XDFN.
Features
• Operating Input Voltage Range: 1.4 V to 5.25 V
• Output Voltage Range: 0.8 to 4.0 V (available in 0.1 V steps)
• Supply Current: Low Power Mode – 1.0 mA at VOUT < 1.85 V
Fast Mode – 55 mA
Standby Mode – 0.1 mA
• Dropout Voltage: 230 mV Typ. at IOUT = 300 mA, VOUT = 2.8 V
• ±1% Output Voltage Accuracy (VOUT > 2 V, TJ = 25 °C)
• High PSRR: 70 dB at 1 kHz (Fast response mode)
• Line Regulation 0.02%/V Typ.
• Current Fold Back Protection
• Stable with Ceramic Capacitors
• Available in 1.2x1.2 XDFN, SC−70 and SOT23 Package
• These are Pb−free Devices
Typical Applications
• Battery Powered Equipments
• Portable Communication Equipments
• Cameras, Image Sensors and Camcorders
VIN
C1
1m
NCP4589
VIN VOUT
CE
AE GND
VOUT
C2
1m
http://onsemi.com
MARKING
DIAGRAMS
SC−70
CASE 419A
XXX
XMM
XDFN6
CASE 711AA
XX
MM
SOT−23−5
CASE 1212
XXX
MM
XXXX = Specific Device Code
MM = Date Code
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 27 of this data sheet.
Figure 1. Typical Application Schematic
© Semiconductor Components Industries, LLC, 2011
May, 2011 − Rev. 0
1
Publication Order Number:
NCP4589/D
Free Datasheet http://www.datasheet4u.com/
1 page  
NCP4589
TYPICAL CHARACTERISTICS
1.2
1.0 VIN = 1.8 V
5.25 V
0.8
1.4 V
3.8 V
0.6
2.8 V
0.4
0.2
0.0
0 100 200 300 400 500 600 700
IOUT, OUTPUT CURRENT (mA)
Figure 3. Output Voltage vs. Output Current
1.0 V Version (TJ = 255C)
1.4
1.2
1.0 VIN = 1.6 V 1.8 V
0.8 3.8 V
0.6
5.25 V
2.8 V
0.4
0.2
0.0
0 100 200 300 400 500 600 700
IOUT, OUTPUT CURRENT (mA)
Figure 4. Output Voltage vs. Output Current
1.2 V Version (TJ = 255C)
2.0
1.8
1.6
1.4 3.8 V
1.2
1.0 5.25 V
0.8
0.6
0.4 VIN = 2.8 V
0.2
0.0
0
100 200 300 400 500 600
IOUT, OUTPUT CURRENT (mA)
Figure 5. Output Voltage vs. Output Current
1.8 V Version (TJ = 255C)
3.5
3.0
4.3 V
2.5
2.0
1.5 5.25 V
1.0
0.5 VIN = 3.8 V
0.0
0 100 200 300 400 500 600
IOUT, OUTPUT CURRENT (mA)
Figure 6. Output Voltage vs. Output Current
3.3 V Version (TJ = 255C)
0.6
0.5
0.4 TJ = 85_C
0.3 25_C
0.2 −40_C
0.1
0.0
0
50
100 150 200 250
300
IOUT, OUTPUT CURRENT (mA)
Figure 7. Dropout Voltage vs. Output Current
1.0 V Version
0.6
0.5
0.4 TJ = 85_C
0.3 25_C
0.2 −40_C
0.1
0.0
0
50
100 150 200 250
300
IOUT, OUTPUT CURRENT (mA)
Figure 8. Dropout Voltage vs. Output Current
1.2 V Version
http://onsemi.com
5
Free Datasheet http://www.datasheet4u.com/
5 Page 
NCP4589
TYPICAL CHARACTERISTICS
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
00.01
0.1 1
10
FREQUENCY (kHz)
100
1000
Figure 39. Output Voltage Noise, 1.0 V Version,
VIN = 2.0 V, IOUT = 30 mA
60
50
40
30
20
10
00.01 0.1
1
10 100 1000
FREQUENCY (kHz)
Figure 40. Output Voltage Noise, 1.2 V Version,
VIN = 2.2 V, IOUT = 30 mA
5.0 60
4.5
4.0 50
3.5 40
3.0
2.5 30
2.0
1.5 20
1.0 10
0.5
00.01 0.1
1
10 100 1000
FREQUENCY (kHz)
Figure 41. Output Voltage Noise, 1.8 V Version,
VIN = 2.8 V, IOUT = 30 mA
00.01 0.1
1
10 100 1000
FREQUENCY (kHz)
Figure 42. Output Voltage Noise, 3.3 V Version,
VIN = 4.3 V, IOUT = 30 mA
3.5
3.0
2.5
1.08 2.0
1.06
1.04
1.02
1.00
0.98
0.96
0.94
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
t, TIME (ms)
Figure 43. Line Transients, 1.0 V Version,
tR = tF = 5 ms, IOUT = 1 mA, AE = 0 V
2.0
http://onsemi.com
11
Free Datasheet http://www.datasheet4u.com/
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet NCP4589.PDF ] | |
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