ESDA8V2-1J EOS and ESD Transil™ protection for charger and battery port Features

ESDA8V2-1J EOS and ESD Transil™ protection for charger and battery port Features
ESDA8V2-1J
EOS and ESD Transil™ protection for charger and battery port
Features
■
Breakdown voltage VBR = 8.2 V
■
Unidirectional device
■
High peak power dissipation: 500 W
(8/20 µs waveform)
■
ESD protection level better than
IEC 61000-4-2, level 4:
30 kV contact discharge
■
Low leakage current (< 0.5 µA @ 5 V)
A
K
SOD-323
Benefits
■
High EOS and ESD protection level
■
High integration
■
Suitable for high density boards
Figure 1.
Functional diagram (top view)
Complies with the following standards:
■
IEC 61000-4-2 level 4
– ±15 kV (air discharge)
– ±8 kV (contact discharge)
■
MIL STD 883G - Method 3015-7: class 3B
– HBM (human body model): ≥8kV
Applications
This product is particularly recommended for the
protection of power supply lines of portable
devices, where EOS and ESD transient
overvoltage protection in sensitive equipment is
required, such as:
■
Computers
■
Printers
■
Communication systems
■
Cellular phone handsets and accessories
■
Video equipment
August 2009
Description
The ESDA8V2-1J is a unidirectional single line
Transil diode designed specifically for the
protection of integrated circuits in portable
equipment and miniaturized electonic devices
subject to EOS and ESD transient overvoltages.
TM: Transil is a trademark of STMicroelectronics
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7
Characteristics
ESDA8V2-1J
1
Characteristics
Table 1.
Absolute maximum ratings (Tamb = 25 °C)
Symbol
Parameter
VPP
ESD discharge:
IEC 61000-4-2 air discharge on input pin
IEC 61000-4-2 contact discharge on input pin
MIL STD 883G - Method 3015-7: class 3B
PPP
Peak pulse power dissipation (8/20 µs) (1)
IPP
Value
Unit
±30
±30
±30
500
W
Peak pulse current (8/20 µs)
25
A
Tj
Junction temperature range
-40 to +125
°C
Tstg
Storage temperature range
- 55 to +150
°C
260
°C
TL
Tj initial = Tamb
kV
Maximum lead temperature for soldering during 10 s
1. For a surge greater than the maximum values, the diode will fail in short-circuit
Table 2.
Electrical characteristics (definitions)
Symbol
Parameter
VBR
Breakdown voltage
IRM
Leakage current @ VRM
VRM
Stand-of voltage
VCL
Clamping voltage
IPP
Peak pulse current
C
Input capacitance
I
IF
VF
VCL VBR VRM
V
I RM
IR
Slope= 1/ Rd
Table 3.
Symbol
Electrical characteristics (values, Tamb = 25 °C)
Parameter
Test condition
Min.
Typ.
Max.
Unit
VBR
Breakdown voltage
IR = 1 mA
8.2
-
-
V
IRM
Leakage current @ VRM
VRM = 5 V
-
0.1
0.5
µA
IPP = 1 A
-
-
11
V
IPP = 5 A
-
-
13
V
Ipp = 25 A
-
-
20
V
VR = 0 V, Fosc = 1 MHz,
Vosc = 30 mV
-
210
250
pF
VCL
C
2/7
I PP
Clamping voltage
(8/20 µs waveform)
Input capacitance
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ESDA8V2-1J
Figure 2.
Characteristics
Relative variation of peak pulse
power versus initial junction
temperature
Figure 3.
PPP[T j initial] / PPP [T j initial=25°C]
Peak pulse power versus
exponential pulse duration
PPP(W)
10000
1.1
Tj initial = 25 °C
1.0
0.9
1000
0.8
0.7
0.6
100
0.5
0.4
0.3
10
0.2
T j(°C)
0.1
tP(µs)
1
0.0
0
25
Figure 4.
50
75
100
125
1
150
Clamping voltage versus peak
pulse current (typical values,
exponential waveform)
10
Figure 5.
IPP(A)
100
1000
Forward voltage drop versus peak
forward current (typical values)
IFM(A)
100.0
1.0E+01
Tp = 8/20 µs
Tj initial =25 °C
10.0
1.0E+00
Tj =125 °C
Tj =25 °C
1.0
1.0E-01
VCL(V)
VFM(V)
0.1
1.0E-02
8
10
Figure 6.
12
14
16
18
Junction capacitance versus
reverse voltage applied (typical
values)
0.4
Figure 7.
C (pF)
0.6
0.8
1.0
1.2
1.4
1.6
Relative variation of leakage
current versus juntion temperature
(typical values)
IR [T j] / IR [T j=25°C]
250
100
F=1 MHz
VOSC=30 mVRMS
Tj=25 °C
200
VR =5V
150
10
100
50
T j(°C)
Vline (V)
1
0
0
1
2
3
4
5
6
7
8
25
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75
100
125
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Ordering information scheme
Figure 8.
ESDA8V2-1J
ESD response to IEC 61000-4-2
(+15 kV air discharge)
Figure 9.
ESD response to IEC 61000-4-2
(-15 kV air discharge)
5 V/Div
5 V/Div
IN
IN
100 ns/Div
100 ns/Div
2
Ordering information scheme
Figure 10. Ordering information scheme
ESDA 8V2 - 1J
ESD Array
Breakdown Voltage
8V2 = 8.2 V min
Package
J = SOD-323
4/7
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ESDA8V2-1J
3
Package information
Package information
●
Epoxy meets UL94, V0
●
Bar indicates cathode
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK® packages, depending on their level of environmental compliance. ECOPACK®
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK® is an ST trademark.
Table 4.
SOD-323 dimensions
Dimensions
Ref.
H
Millimeters
Inches
A1
Min.
b
A
E
c
1.17
Max.
0.046
0
0.1
0
0.004
b
0.25
0.44
0.01
0.017
c
0.1
0.25
0.004
0.01
D
1.52
1.8
0.06
0.071
E
1.11
1.45
0.044
0.057
H
2.3
2.7
0.09
0.106
L
0.1
0.46
0.004
0.02
Q1
0.1
0.41
0.004
0.016
Q1
L
Figure 11. Footprint (dimensions in mm)
Min.
A1
A
D
Max.
Figure 12. Marking
E8
0.54
1.06
1.08
GND
3
3.20
1.06
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Ordering information
ESDA8V2-1J
Figure 13. Tape and reel specifications
Ø 1.55 ± 0.05
4.0 ± 0.1
0.20 ± 0.05
3.5 ±- 0.05
2.80 ± 0.05
GND
3
E8
E8
E8
GND
3
Ordering information
Table 5.
Ordering information
Order code
Marking
Weight
Base qty
Delivery mode
ESDA8V2-1J
E8
5 mg
3000
Tape and reel
Revision history
Table 6.
6/7
2.0 ± 0.1
User direction of unreeling
All dimensions in mm
5
GND
3
8.0 ± 0.3
1.55 ± 0.05
1.2 ± 0.1
4
1.75 ± 0.1
2.0 ± 0.05
Document revision history
Date
Revision
11-Aug-2009
1
Changes
Initial release
Doc ID 15646 Rev 1
ESDA8V2-1J
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