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PDF NCP161 Data sheet ( Hoja de datos )
| Número de pieza | NCP161 | |
| Descripción | Ultra-Low Noise and High PSRR LDO Regulator | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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NCP161
450 mA, Ultra-Low Noise
and High PSRR LDO
Regulator for RF and
Analog Circuits
The NCP161 is a linear regulator capable of supplying 450 mA
output current. Designed to meet the requirements of RF and analog
circuits, the NCP161 device provides low noise, high PSRR, low
quiescent current, and very good load/line transients. The device is
designed to work with a 1 mF input and a 1 mF output ceramic capacitor.
It is available in two thickness ultra−small 0.35P, 0.65 mm x 0.65 mm
Chip Scale Package (CSP) and XDFN−4 0.65P, 1 mm x 1 mm.
Features
• Operating Input Voltage Range: 1.9 V to 5.5 V
• Available in Fixed Voltage Option: 1.8 V to 5.14 V
• ±2% Accuracy Over Load/Temperature
• Ultra Low Quiescent Current Typ. 18 mA
• Standby Current: Typ. 0.1 mA
• Very Low Dropout: 150 mV at 450 mA
• Ultra High PSRR: Typ. 98 dB at 20 mA, f = 1 kHz
• Ultra Low Noise: 10 mVRMS
• Stable with a 1 mF Small Case Size Ceramic Capacitors
• Available in −WLCSP4 0.65 mm x 0.65 mm x 0.4 mm CASE 567KA
−WLCSP4 0.65 mm x 0.65 mm x 0.33 mm CASE 567JZ
−XDFN4 1 mm x 1 mm x 0.4 mm
• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
Compliant
Typical Applications
• Battery−powered Equipment
• Wireless LAN Devices
• Smartphones, Tablets
• Cameras, DVRs, STB and Camcorders
VIN
IN OUT
CIN
1 mF
Ceramic
ON
OFF
NCP161
EN
GND
VOUT
COUT
1 mF
Ceramic
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MARKING
DIAGRAMS
WLCSP4
CASE 567KA
X
A1
WLCSP4
CASE 567JZ
X
A1
1
XDFN4
CASE 711AJ
XX M
1
X or XX = Specific Device Code
M = Date Code
PIN CONNECTIONS
IN OUT
A1 A2
B1 B2
EN GND
(Top View)
Figure 1. Typical Application Schematics
(Top View)
ORDERING INFORMATION
See detailed ordering and shipping information on page 15 of
this data sheet.
© Semiconductor Components Industries, LLC, 2015
June, 2015 − Rev. 5
1
Publication Order Number:
NCP161/D
1 page  
NCP161
TYPICAL CHARACTERISTICS
0.010
0.009
0.008
0.007
0.006
VIN = 4.3 V
VOUT = 3.3 V
CIN = 1 mF
COUT = 1 mF
0.005
0.004
0.003
0.002
0.001
0
−40 −20 0 20 40 60 80 100 120 140
TJ, JUNCTION TEMPERATURE (°C)
Figure 9. Line Regulation vs. Temperature −
VOUT = 3.3 V
0.020
0.018
0.016
0.014
0.012
VIN = 5.5 V
VOUT = 5.14 V
CIN = 1 mF
COUT = 1 mF
0.010
0.008
0.006
0.004
0.002
0
−40 −20 0 20 40 60 80 100 120 140
TJ, JUNCTION TEMPERATURE (°C)
Figure 10. Line Regulation vs. Temperature −
VOUT = 5.14 V
0.0020
0.0020
0.0018
0.0018
0.0016
0.0016
0.0014
0.0014
0.0012
0.0012
0.0010
0.0010
0.0008
0.0008
0.0006
0.0004
0.0002
VIN = 2.8 V
VOUT = 1.8 V
CIN = 1 mF
COUT = 1 mF
0.0006
0.0004
0.0002
VIN = 4.3 V
VOUT = 3.3 V
CIN = 1 mF
COUT = 1 mF
00
−40 −20 0 20 40 60 80 100 120 140
−40 −20 0 20 40 60 80 100 120 140
TJ, JUNCTION TEMPERATURE (°C)
TJ, JUNCTION TEMPERATURE (°C)
Figure 11. Load Regulation vs. Temperature −
VOUT = 1.8 V
Figure 12. Load Regulation vs. Temperature −
VOUT = 3.3 V
0.0020
0.0018
0.0016
0.0014
0.0012
0.0010
0.0008
0.0006
0.0004
0.0002
0
VIN = 5.5 V, COUT = 1 mF
VOUT = 5.14 V, CIN = 1 mF
−40 −20 0 20 40 60 80 100 120 140
TJ, JUNCTION TEMPERATURE (°C)
Figure 13. Load Regulation vs. Temperature −
VOUT = 5.14 V
2.0
1.8
1.6 TJ = 125°C
1.4 TJ = 25°C
1.2
1.0
0.8 TJ = −40°C
0.6
0.4
0.2
0
0
VIN = 2.8 V
VOUT = 1.8 V
CIN = 1 mF
COUT = 1 mF
50 100 150 200 250 300 350 400 450 500
IOUT, OUTPUT CURRENT (mA)
Figure 14. Ground Current vs. Load Current −
VOUT = 1.8 V
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5
5 Page 
NCP161
TYPICAL CHARACTERISTICS
IOUT
IOUT
tRISE = 1 ms
tFALL = 1 ms
VOUT
VIN = 4.3 V, VOUT = 3.3 V
CIN = 1 mF (MLCC)
COUT = 1 mF (MLCC)
4 ms/div
Figure 43. Load Transient Response −
1 mA to 450 mA − VOUT = 3.3 V
VOUT
VIN = 4.3 V, VOUT = 3.3 V
CIN = 1 mF (MLCC)
COUT = 1 mF (MLCC)
20 ms/div
Figure 44. Load Transient Response −
450 mA to 1 mA − VOUT = 3.3 V
IOUT
tRISE = 1 ms
VOUT
VIN = 5.5 V, VOUT = 5.14 V
CIN = 1 mF (MLCC)
COUT = 1 mF (MLCC)
4 ms/div
Figure 45. Load Transient Response −
1 mA to 450 mA − VOUT = 5.14 V
Short Circuit Event
Overheating
TSD Cycling
IOUT
tFALL = 1 ms
VOUT
VIN = 5.5 V, VOUT = 5.14 V
CIN = 1 mF (MLCC)
COUT = 1 mF (MLCC)
20 ms/div
Figure 46. Load Transient Response −
450 mA to 1 mA − VOUT = 5.14 V
VEN
IOUT
VOUT Thermal Shutdown
VIN = 5.5 V
VOUT = 3.3 V
CIN = 1 mF (MLCC)
COUT = 1 mF (MLCC)
10 ms/div
Figure 47. Short Circuit and Thermal
Shutdown
VOUT
COUT = 4.7 mF
COUT = 1 mF
VIN = 3.8 V
VOUT = 2.8 V
CIN = 1 mF (MLCC)
400 ms/div
Figure 48. Enable Turn−off
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11
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| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet NCP161.PDF ] | |
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