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Número de pieza | NCV8703 | |
Descripción | LDO Voltage Regulator | |
Fabricantes | ON Semiconductor | |
Logotipo | ||
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No Preview Available ! NCV8703
300 mA, Ultra-Low Quiescent
Current, IQ 12 mA, Ultra-Low
Noise, LDO Voltage Regulator
The NCV8703 is a low noise, low power consumption and low
dropout Linear Voltage Regulator. With its excellent noise and PSRR
specifications, the device is ideal for use in products utilizing RF
receivers, imaging sensors, audio processors or any component
requiring an extremely clean power supply. The NCV8703 uses an
innovative Adaptive Ground Current circuit to ensure ultra low
ground current 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
Ultra−Low Quiescent Current of Typ. 12 mA
Ultra−Low Noise: 13 mVRMS from 100 Hz to 100 kHz
Very Low Dropout: 180 mV Typical at 300 mA
2% Accuracy Over Load/Line/Temperature
High PSRR: 68 dB at 1 kHz
Internal Soft−Start to Limit the Turn−On Inrush Current
Thermal Shutdown and Current Limit Protections
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 Turn−Off
NCV Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AEC−Q100
Qualified and PPAP Capable
These are Pb−Free Devices
Typical Applications
Satellite Radio Receivers, GPS
Rear View Camera, Electronic Mirrors, Lane Change Detectors
Portable Entertainment Systems
Other Battery Powered Applications
VIN
IN OUT
VOUT
CIN 1 mF
NCV8703
EN
ON GND
COUT
1 mF
Ceramic
OFF
Figure 1. Typical Application Schematic
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TSOP−5
SN SUFFIX
CASE 483
XDFN6
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
GND
EN
OUT
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 15 of this data sheet.
Semiconductor Components Industries, LLC, 2013
June, 2013 − Rev. 1
1
Publication Order Number:
NCV8703/D
1 page NCV8703
TYPICAL CHARACTERISTICS
10
1
0.1
0.01
VIN = 3.8 V
VOUT = 3.3 V
CIN = 1 mF
COUT = 4.7 mF
MLCC, X7R,
1206 size
0.001
0.01 0.1
IOUT = 300 mA
IOUT = 10 mA
IOUT = 1 mA
1 10 100 1000
IOUT
1 mA
10 mA
300 mA
RMS Output Noise (mVRMS)
10 Hz − 100 kHz 100 Hz − 100 kHz
17.64
13.52
19.54
15.96
21.50
18.71
FREQUENCY (kHz)
Figure 6. Output Voltage Noise Spectral Density for VOUT = 3.3 V, COUT = 4.7 mF
350
315 VOUT = 0.8 V
280
245 VOUT = 3.3 V
210 VOUT = 2.5 V
175
140
105
70
35
0
0
VIN = VOUT + 0.5 V
CIN = 1 mF
COUT = 1 mF
MLCC, X7R,
1206 size
50 100 150 200 250 300
IOUT, OUTPUT CURRENT (mA)
Figure 7. Ground Current vs. Output Current
270
240
TJ = 25C
TJ = 125C
210
180 TJ = −40C
150
120
90
60
30
0
0
30 60
VIN = VOUT + 0.5 V
CIN = 1 mF
COUT = 1 mF
MLCC, X7R,
1206 size
90 120 150 180 210 240 270 300
IOUT, OUTPUT CURRENT (mA)
Figure 9. Ground Current vs. Output Current
at Temperatures
160
140
VOUT = 3.3 V
120
VOUT = 2.5 V
100
VOUT = 0.8 V
80
60 VIN = VOUT + 0.5 V
CIN = 1 mF
40 COUT = 1 mF
MLCC, X7R,
20 1206 size
0
0 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00
IOUT, OUTPUT CURRENT (mA)
Figure 8. Ground Current vs. Output Current
from 0 mA to 2 mA
160
140
120
100 TJ = −40C
80
TJ = 25C
TJ = 125C
60
40
20
0
0
VIN = VOUT + 0.5 V
CIN = 1 mF
COUT = 1 mF
MLCC, X7R,
1206 size
0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00
IOUT, OUTPUT CURRENT (mA)
Figure 10. Ground Current vs. Output Current
0 mA to 2 mA at Temperatures
http://onsemi.com
5
5 Page NCV8703
TYPICAL CHARACTERISTICS
IOUT
VIN = 2 V
VOUT = 0.8 V
CIN = 1 mF (MLCC)
IOUT
VIN = 2 V
VOUT = 0.8 V
CIN = 1 mF (MLCC)
VOUT
COUT = 4.7 mF
COUT = 1 mF
20 ms / div
Figure 41. Load Transient Response − Rising
Edge, VOUT = 0.8 V, IOUT = 1 mA to 300 mA,
COUT = 1 mF, 4.7 mF
VOUT
COUT = 1 mF
COUT = 4.7 mF
50 ms / div
Figure 42. Load Transient Response – Falling
Edge, VOUT = 0.8 V, IOUT = 1 mA to 300 mA,
COUT = 1 mF, 4.7 mF
IOUT
VIN = 2 V
VOUT = 0.8 V
CIN = 1 mF (MLCC)
Cout = 1 mF (MLCC)
VOUT
trise = 10 ms
trise = 1 ms
20 ms / div
Figure 43. Load Transient Response − Rising
Edge, VOUT = 0.8 V, IOUT = 1 mA to 300 mA,
tRISE = 1 ms, 10 ms
IOUT
VIN = 3.8 V
VOUT = 3.3 V
CIN = 1 mF (MLCC)
VOUT
COUT = 1 mF
COUT = 4.7 mF
50 ms / div
Figure 45. Load Transient Response – Falling
Edge, VOUT = 3.3 V, IOUT = 1 mA to 300 mA,
COUT = 1 mF, 4.7 mF
IOUT
VIN = 3.8 V
VOUT = 3.3 V
CIN = 1 mF (MLCC)
VOUT
COUT = 4.7 mF
COUT = 1 mF
10 ms / div
Figure 44. Load Transient Response – Rising
Edge, VOUT = 3.3 V, IOUT = 1 mA to 300 mA,
COUT = 1 mF, 4.7 mF
IOUT
VOUT
VIN = 3.8 V
VOUT = 3.3 V
CIN = 1 mF (MLCC)
Cout = 1 mF (MLCC)
trise = 1 ms
trise = 10 ms
10 ms / div
Figure 46. Load Transient Response – Rising
Edge, VOUT = 3.3 V, IOUT = 1 mA to 300 mA,
tRISE = 1 ms, 10 ms
http://onsemi.com
11
11 Page |
Páginas | Total 17 Páginas | |
PDF Descargar | [ Datasheet NCV8703.PDF ] |
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