8-Channel EMI-Filter with ESD-Protection
VEMI85AA-HGK
Vishay Semiconductors
Features
• Ultra compact LLP3313-17L package
• Low package profile of 0.6 mm
• 8-channel EMI-filter
• Low leakage current
• Line resistance R
• Typical cut off frequency f
• ESD-protection acc. IEC 61000-4-2
± 30 kV contact discharge
= 100 Ω
S
= 100 MHz
3dB
e3
20388
1
2
3
4
5
6
7
8
± 30 kV air discharge
• Lead (Pb)-free component
• "Green" molding compound
• Component in accordance to RoHS 2002/95/EC
and WEEE 2002/96/EC
Marking (example only)
Dot = Pin 1 marking
YYXX
20720
YY = Type code (see table below)
XX = Date code
Ordering Information
Device name Ordering code
VEMI85AA-HGK VEMI85AA-HGK-GS08 3000 15 000
Taped units per reel
(8 mm tape on 7" reel)
Minimum order quantity
16
15
14
17
13
12
11
10
9
Package Data
Device name Package name Marking code Weight
VEMI85AA-HGK LLP3313-17L 9R 7.4 mg UL 94 V-0
Molding compound
flammability rating
Absolute Maximum Ratings
Parameter Test conditions Symbol Val ue Unit
Peak pulse current
ESD immunity
Operating temperature Junction temperature
Storage temperature
Document Number 81386
Rev. 1.4, 03-Jun-08
All I/O pin to pin 17; acc. IEC 61000-4-5;
t
= 8/20 µs; single shot
Contact discharge acc. IEC61000-4-2; 10 pulses
Air discharge acc. IEC61000-4-2; 10 pulses ± 30
For technical support, please contact: EMI-filter@vishay.com
p
Moisture sensitivity level Soldering conditions
MSL level 1
(according J-STD-020)
I
PPM
V
ESD
T
J
T
STG
- 40 to + 125 °C
- 55 to + 150 °C
260 °C/10 s at terminals
4A
± 30
kV
www.vishay.com
1
VEMI85AA-HGK
Vishay Semiconductors
Application Note:
With the VEMI85AA-HGK 8 different signal or data lines can be filtered and clamped to ground. Due to the
different clamping levels in forward and reverse direction the clamping behaviour is Bi
As
ymmetric (BiAs).
directional and
L1
IN
L2
IN
L3
L4
L5
L6IN
L7
L8IN
IN
IN
IN
IN
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
The 8 independent EMI-filter are placed between
pin 1 and pin 16,
pin 2 and pin 15,
pin 3 and pin 14,
pin 4 and pin 13,
pin 5 and pin 12,
pin 6 and pin 11,
pin 7 and pin 10 and
pin 8 and pin 9.
L1
L2
L3
L4
L5
L6
L7
L8
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
20389
They all are connected to a common ground pin 17 on the backside of the package.
The circuit diagram of one EMI-filter-channel shows two identical Z-diodes at the input to ground and the output
to ground. These Z-diodes are characterized by the breakthrough voltage level (V
capacitance (C
Together with these capacitors and the line resistance R
pass filter. Low frequency signals (f < f
to ground through the diode capacitances C
). Below the breakthrough voltage level the Z-diodes can be considered as capacitors.
D
(Pin 1, 2, 3, 4, 5, 6, 7, 8)
20390
) pass the filter while high frequency signals (f > f
3dB
.
D
In
C
D
GND
(Pin 17)
between input and output the device works as a low
S
R
S
Out
(Pin 9, 10, 11, 12, 13, 14, 15, 16)
C
D
) and the diode
BR
) will be shorted
3dB
Each filter is symmetrical so that both ports can be used as input or output.
www.vishay.com
2
For technical support, please contact: EMI-filter@vishay.com
Document Number 81386
Rev. 1.4, 03-Jun-08
Electrical Characteristics
Ratings at 25 °C ambient temperature unless otherwise specified
VEMI85AA-HGK
All inputs (pin 1, 2, 3, 4, 5, 6, 7 and 8) to ground (pin 17)
Parameter Test conditions/remarks Symbol Min. Ty p. Max. Unit
Protection paths Number of channels which can be protected
at I
Reverse stand off voltage
Reverse current
Reverse break down
voltage
Pos. clamping voltage
at I
= 1 A applied at the input, measured
PP
at the output; acc. IEC 61000-4-5
= I
at I
PP
PPM
= 1 µA V
R
= V
at V
R
RWM
at I
= 1 mA V
R
= 4 A applied at the input,
measured at the output; acc. IEC 61000-4-5
at I
= - 1 A applied at the input, measured
PP
Neg. clamping voltage
at the output; acc. IEC 61000-4-5
at I
= I
PP
= - 4 A applied at the input,
PPM
measured at the output; acc. IEC 61000-4-5
at V
= 0 V; f = 1 MHz C
Input capacitance
R
= 2.5 V; f = 1 MHz C
at V
R
ESD-clamping voltage at ± 30 kV ESD-pulse acc. IEC 61000-4-2
Line resistance
Cut-off frequency
Measured between input and output;
I
= 10 mA
S
= 0 V; measured in a 50 Ω system f
V
IN
N
channel
RWM
I
R
BR
V
C-out
V
C-out
V
C-out
V
C-out
V
CESD
R
3dB
VEMI85AA-HGK
Vishay Semiconductors
8 channel
5V
1µA
6V
7V
8V
- 1 V
- 1.2 V
in
in
S
90 100 110 Ω
60 pF
36 pF
7.5 V
100 MHz
Typical Characteristics
T
= 25 °C, unless otherwise specified
amb
120 %
100 %
ESD
80 %
60 %
53 %
40 %
27 %
Discharge Current I
20 %
0 %
- 10 0 10 20 30 40 50 60 70 80 90 100
20557
Figure 1. ESD Discharge Current Wave Form
acc. IEC 61000-4-2 (330 Ω/150 pF)
rise time = 0.7 ns to 1 ns
Time (ns)
8 µs to 100 %
20 µs to 50 %
Time (µs)
PPM
I
100 %
80 %
60 %
40 %
20 %
0 %
010203040
20548
Figure 2. 8/20 µs Peak Pulse Current Wave Form
acc. IEC 61000-4-5
Document Number 81386
Rev. 1.4, 03-Jun-08
For technical support, please contact: EMI-filter@vishay.com
www.vishay.com
3