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PDF EMIF01-10018W5 Data sheet ( Hoja de datos )
| Número de pieza | EMIF01-10018W5 | |
| Descripción | EMI FILTER INCLUDING ESD PROTECTION | |
| Fabricantes | STMicroelectronics | |
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®
Application Specific Discretes
A.S.D.TM
EMIF01-10018W5
EMI FILTER
INCLUDING ESD PROTECTION
MAIN APPLICATIONS
Where EMI filtering in ESD sensitive equipment is required :
Computers and printers
Communication systems
Mobile phones
MCU Boards
DESCRIPTION
The EMIF01-10018W5 is a highly integrated array
designed to suppress EMI / RFI noise in all systems
subjected to electromagnetic interferences.
Additionally, this filter includes an ESD protection circuitry
which prevents the protected device from destruction when
subjected to ESD surges up to 15 kV.
SOT323-5L
FUNCTIONAL DIAGRAM
BENEFITS
Cost-effectiveness compared to discrete solution
EMI bi-directional low-pass filter
High efficiency in ESD suppression.
High flexibility in the design of high density boards
Very low PCB space consuming : 4.2 mm2 typically
High reliability offered by monolithic integration
COMPLIES WITH THE FOLLOWING STANDARD:
IEC 1000-4-2
15kV (air discharge)
level 4 8 kV (contact discharge)
MIL STD 883C - Methode 3015-6 Class 3
Filtering behavior
dB
0
I1 O1
GND
I2 O2
RI/O = 100Ω
CIN = 180pF
ESD response to IEC1000-4-2 (16 kV air discharge)
-10
Vin
-20
-30
-40
1
10 100
f(MHz)
1,000 2,000
Vout
TM : ASD is trademark of STMicroelectronics.
September 1999 - Ed: 1
1/10
1 page  
EMIF01-10018W5
Fig. A5: Remaining voltage at both stages S1 (Vin) and S2 (Vout) during ESD surge
Vin
Vout
Vin
Vout
a) Positive surge
b) Negative surge
Please note that the EMIF01-10018W5 is not only acting for positive ESD surges but also for negative ones. For negatives
surges, it clamps close to ground voltage as shown in Fig. A5b.
NOTE: DYNAMIC RESISTANCE MEASUREMENT
Fig. A6: Rd measurement current wave
I
IPP
2 µs
2.5 µs
2.5 µs duration measurement wave
t
As the value of the dynamic resistance remains stable for
a surge duration lower than 20µs, the 2.5µs rectangular
surge is well adapted. In addition both rise and fall times
are optimized to avoid any parasitic phenomenon during
the measurement of Rd.
5/10
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| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet EMIF01-10018W5.PDF ] | |
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