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參數資料
| 型號： | NCP1422 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | DC/DC變換器 |
| 英文描述： | High Efficiency DC-DC Converters |
| 中文描述： | 高效率DC - DC轉換器 |
| 文件頁數： | 12/20頁 |
| 文件大小： | 1886K |
| 代理商： | NCP1422 |
Page 1
Portable Solutions
EMI Filter and ESD Protection for Stereo Headset Jacks
Shrinks by 50% for MP3/Cellphone Applications
L
L
L
C
d
C
d
L
C
1
C
2
C
1
C
2
C
d
C
d
Key Features
ESD protection exceeds 15 kV (IEC61000--)
Integrated Inductors ranges .7 - 5.0 nH
Low Series Resistance of 0.8 - .0 Ohms
Excellent S1 curves characteristics
Steady state current of greater than 500 mA/line
Peak Current 1. A
EMI Audio Filters
Device
Lines
Resistance
(
W
)
Inductance
(nH)
Package
Circuit Diagram
NUF1FCT1G
0.7
Flip-Chip
Figure 1
NUF50MUT1G
1.5
.5
uDFN (1. x 1.8 mm)
Figure
NUF070MNT1G
.5
.5
DFN (.0 x .0 mm)
Figure 1
NUF11MNT1G
10
—
DFN (.0 x .0 mm)
—
NUF116MNT1G
68
—
DFN (.0 x .0 mm)
—
NUF0MNT1G
1.
5
DFN (.0 x .0 mm)
Below
-70
1.E+05
-60
-50
-40
-30
-20
-10
0
1.E+06
1.E+07
Frequency (Hz)
1.E+08
1.E+09
1.E+10
G
Integrated Filter
Response
Discrete
Implementation
Audio Filters – LC Network EMI Filters with ESD Protection
Figure 1
Figure 2
Key Performance Characteristics
> 5 dB of RF Attenuation from 900-000 MHz
Compliant with IEC61000-- (Level ) – 15 kV Air
and Contact
Extremely low loss signal path in Audio Band
x mm DFN Package
Flow through pinout for easy PCB layout
R Audio Input
C
1
C
2
L Audio Input
L
C
1
C
2
Microphone Line
L
C
1
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2
Microphone Line
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1
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2
NUF4220
NUF4220 Stereo Headset Filter Solution
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