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PDF NCP702 Data sheet ( Hoja de datos )
| Número de pieza | NCP702 | |
| Descripción | LDO Linear Voltage Regulator | |
| Fabricantes | On Semiconductor | |
| Logotipo |  |
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NCP702
200 mA, Ultra-Low Quiescent
Current, Ultra-Low Noise, LDO
Linear Voltage Regulator
Noise sensitive applications such as Phase Locked Loops,
Oscillators, Frequency Synthesizers, Low Noise Amplifiers and other
Precision Instrumentation require very clean power supplies. The
NCP702 is a 200 mA LDO that provides the engineer with a very
stable, accurate voltage with ultra−low noise and very high Power
Supply Rejection Ratio (PSRR), making it suitable for RF
applications. The device doesn’t require an additional noise bypass
capacitor to achieve ultra−low noise performance. In order to optimize
performance for battery operated portable applications, the NCP702
employs an Adaptive Ground Current feature for ultra−low ground
current consumption during light−load conditions.
Features
• Operating Input Voltage Range: 2.0 V to 5.5 V
• Available in Fixed Voltage Options: 0.8 to 3.5 V
Contact Factory for Other Voltage Options
• Output Voltage Trimming Step: 2.5 mV
• Ultra−Low Quiescent Current of Typ. 10 mA
• Ultra−Low Noise: 11 mVRMS from 100 Hz to 100 kHz
• Very Low Dropout: 140 mV Typical at 200 mA
• ±2% Accuracy Over Full Load/Line/Temperature
• High PSRR: 68 dB at 1 kHz
• Thermal Shutdown and Current Limit Protections
• Internal Soft−Start to Limit the Turn−On Inrush Current
• Stable with a 1 mF Ceramic Output Capacitor
• Available in TSOP−5 and XDFN 1.5 x 1.5 mm Package
• Active Output Discharge for Fast Output Turn−Off
• These are Pb−Free Devices
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Typical Applicaitons
• PDAs, Mobile Phones, GPS, Smartphones
• Wireless Handsets, Wireless LAN, Bluetooth, Zigbee
• Portable Medical Equipment
• Other Battery Powered Applications
VIN
CIN 1 mF
NCP702
IN OUT
VOUT
EN
GND
COUT
1 mF
Figure 1. Typical Application Schematic
http://onsemi.com
5
1
TSOP−5
SN SUFFIX
CASE 483
1
XDFN−6
MX SUFFIX
CASE 711AE
MARKING DIAGRAMS
5
XXXAYW
G
1
1
XM
G
X, XXX = Specific Device Code
M = Date Code
A = Assembly Location
Y = Year
W = Work Week
G = Pb−Free Package
PIN CONNECTIONS
1
IN OUT
GND
EN N/C
5−Pin TSOP−5
(Top View)
OUT
N/C
GND
1
IN
N/C
EN
6−Pin XDFN 1.5 x 1.5 mm
(Top View)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 18 of this data sheet.
© Semiconductor Components Industries, LLC, 2012
March, 2012 − Rev. 1
1
Publication Order Number:
NCP702/D
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
NCP702
TYPICAL CHARACTERISTICS
10
1
0.1
0.01
IOUT = 1 mA
VIN = 3.8 V
VOUT = 3.3 V
CIN = COUT = 1 mF
MLCC, X5R,
0402 size
IOUT = 10 mA
IOUT = 200 mA
IOUT
1 mA
10 mA
200 mA
RMS Output Noise
10 Hz − 100 kHz 100 Hz − 100 kHz
20.28
16.73
13.70
17.87
13.90
10.21
0.001
10
100 1 K 10 K 100 K 1 M 10 M
FREQUENCY (Hz)
Figure 6. Output Voltage Noise Spectral Density for VOUT = 3.3 V, COUT = 1 mF
10
1
0.1
0.01
0.001
10
IOUT = 1 mA
VIN = 3.8 V
VOUT = 3.3 V
CIN = COUT = 4.7 mF
MLCC, X7R,
1202 size
IOUT = 10 mA
IOUT = 200 mA
IOUT
1 mA
10 mA
200 mA
RMS Output Noise
10 Hz − 100 kHz 100 Hz − 100 kHz
15.76
17.09
14.51
11.82
13.88
11.47
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100 1 K 10 K 100 K 1 M 10 M
FREQUENCY (Hz)
Figure 7. Output Voltage Noise Spectral Density for VOUT = 3.3 V, COUT = 4.7 mF
10
1
0.1
0.01
IOUT = 1 mA
IOUT = 200 mA
VIN = 3.8 V
VOUT = 3.3 V
CIN = COUT = 10 mF
MLCC, X7R,
1206 size
IOUT = 10 mA
IOUT
1 mA
10 mA
200 mA
RMS Output Noise
10 Hz − 100 kHz 100 Hz − 100 kHz
14.87
10.57
16.00
12.65
14.89
11.84
0.001
10
100 1 K 10 K 100 K 1 M 10 M
FREQUENCY (Hz)
Figure 8. Output Voltage Noise Spectral Density for VOUT = 3.3 V, COUT = 10 mF
http://onsemi.com
5
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
NCP702
TYPICAL CHARACTERISTICS
VIN = 2.0 V
VOUT(nom) = 0.8 V
COUT = 3 mF
CIN = none
IOUT = 1 mA
TA = 25°C
IINRUSH = 45 mA
200
VIN = VOUT + 0.3 V or 2 V
whichever is greater
160 VEN = 0 V to 1 V
CIN = none, TJ = 25°C
120 IOUT = 1 mA
80 VOUT = 3.3 V
VOUT = 0.8 V
40
100 ms/div
Figure 39. Enable Turn−On Response,
VOUT = 0.8 V, COUT = 3 mF
0
1 1.5 2 2.5 3 3.5 4 4.5 5
COUT, OUTPUT CAPACITANCE (mF)
Figure 40. Turn−On Inrush Current vs. Output
Capacitance
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Figure 41. Enable Turn−Off Response,
VOUT = 3.3 V, COUT = 1 mF
Figure 42. Enable Turn−Off Response,
VOUT = 3.3 V, COUT = 4.7 mF
Figure 43. Enable Turn−Off Response,
VOUT = 3.3 V, COUT = 10 mF
Figure 44. Slow Input Voltage
Turn−On/Turn−Off, VOUT = 3.3 V
http://onsemi.com
11
Datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet NCP702.PDF ] | |
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