ESDAxxxWx
TRANSIL™ array for data protection
Main applications
Where transient overvoltage protection in ESD sensitive equipment is required, such as :
■ ■ ■ ■ ■ ■
Computers Printers Communication systems Cellular phones handsets and accessories Wireline and wireless telephone sets Set top boxes
SOT323-3L Order codes
SOT323-5L
SOT323-6L
Part Numbers ESDA6V1W5 ESDA6V1-5W6
Marking E61 E62 E25 E25
Features
■ ■ ■ ■
ESDA25W ESDA25W5
2 up to 5 Unidirectional Transil functions Breakdown voltage: VBR = 6.1 V min. and 25 V min. Low leakage current: < 1 µA Very small PCB area < 4.2 mm2 typically
ESDA25W Functional diagram
1 3
Description
The ESDAxxxWx are monolithic suppressors designed to protect components connected to data and transmission lines against ESD. These devices clamp the voltage just above the logic level supply for positive transients, and to a diode drop below ground for negative transients.
2
ESDA6V1W5/ESDA25W5 Functional diagram
1 2 3 4 5
Benefits
■ ■
High ESD protection level: up to 25 kV High integration
Complies with the following standards
IEC61000-4-2 Level 4 15 kV (air discharge) 8 kV(contact discharge)
ESDA6V1-5W6 Functional diagram
1 2 3 6 5 4
MIL STD 883E - Method 3015-7 Class 3 25 kV HBM (Human Body Model)
August 2005
Rev 2 1/11
www.st.com 11
1 Characteristics
ESDAxxxWx
1
Characteristics
Table 1.
Symbol
Absolute Ratings (Tamb = 25°C)
Parameter ESDA25W Value 400 150 100 125 -55 to +150 260 -40 to +125 °C -40 to +125 °C °C °C W Unit
PPP
Peak pulse power (8/20 µs)
ESDA25W5 / ESDA6V1W5 ESDA6V1-5W6
Tj Tstg TL Top
Junction temperature Storage temperature range Maximum lead temperature for soldering during 10s range(1) ESDA25W / ESDA25W5 / ESDA6V1W5 ESDA6V1-5W6
Operating temperature
1. The values of the operating parameters versus temperature are given through curves and αT parameter.
1.1
Electrical Characteristics (Tamb = 25°C)
Symbol VRM VBR VCL IRM IPP IR IF αT VF C Rd Parameter Stand-off voltage Breakdown voltage Clamping voltage Leakage current Peak pulse current Reverse leakage current Forward current Voltage temperature coefficient Forward voltage drop Capacitance Dynamic resistance
I IF
VF VCL VBR VRM IRM V
Slope: 1/Rd
IPP
2/11
ESDAxxxWx
1 Characteristics
VBR @ IR Part Numbers min. max.
IRM @ VRM
VF max.
@
IF
Rd typ.(1)
αT max.(2)
C typ. 0V bias
V ESDA25W ESDA25W5 ESDA6V1-5W6 ESDA6V1W5 25 25 6.1 6.1
V 30 30 7.2 7.2
mA 1 1 1 1
µA 1 1 1 1
V 24 24 3 3
V 1.2 1.2 1.25 1.25
mA 10 10 200 200
Ω 1.1 1.9 0.61 0.35
10-4/°C 10 10 6 6
pF 65 30 50 90
1. Square pulse lpp = 15 A, tp = 2.5 µs 2. VBR = aT* (Tamb - 25 °C) * VBR (25 °C)
Figure 1.
Peak power dissipation versus initial junction temperature
Figure 2.
Peak pulse power versus exponential pulse duration (Tj initial = 25°C) (ESDA25W)
PPP[Tj initial] / PPP[Tj initial=25°C]
1.1 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 0 25 50 75 100 125
PPP(W)
10000
Tj initial = 25°C
ESDA25W
1000
Tj initial (°C)
100 1
tp(µs)
10 100
Fig 1
3/11
1 Characteristics
ESDAxxxWx
Figure 4. Clamping voltage versus peak pulse current (Tj initial = 25°C, rectangular waveform, tp = 2.5 µs) (ESDA25W / ESDA25W5)
Figure 3.
Peak pulse power versus exponential pulse duration (Tj initial = 25°C) (ESDA25W5 / ESDA6V1W5 / ESDA6V1-5W6)
PPP(W)
1000
ESDA6V1W5 / ESDA25W5 Tj initial = 25°C
IPP(A)
100.0
tp = 2.5µs
ESDA25W
10.0
100
ESDA6V1-5W6
ESDA25W5
1.0
10 1
tp(µs)
10 100
VCL(V)
0.1 20 25 30 35 40 45 50 55 60 65 70 75 80
Figure 5.
Clamping voltage versus peak pulse Figure 6. current (Tj initial = 25°C, rectangular waveform, tp = 2.5 µs) (ESDA6V1W5 / ESDA6V1-5W6)
Capacitance versus reverse applied voltage (typical values) (ESDA25W / ESDA25W5)
IPP(A)
50.0
tp = 2.5µs
ESDA6V1W5
C(pF)
50 45 40
ESDA6V1-5W6
F=1MHz VOSC=30mVRMS Tj=25°C
10.0
35 30 25
ESDA25W
1.0
20 15 10
ESDA25W5
0.1 0 5 10 15
VCL(V)
20 25 30 35 40
5 0 1 3 5 7 9 11
VR(V)
13 15 17 19 21 23 25
4/11
ESDAxxxWx
Figure 7. Capacitance versus reverse applied Figure 8. voltage (typical values) (ESDA6V1W5 / ESDA6V1-5W6)
1 Characteristics
Relative variation of leakage current versus junction temperature (typical values)
C(pF)
80 70 60 100 50 40 30
ESDA6V1-5W6 ESDA6V1W5 F=1MHz VOSC=30mVRMS Tj=25°C
IR[Tj] / IR[Tj=25°C]
1000
ESDA25W
10
ESDA25W5 ESDA6V1-5W6
20 10 0.5
VR(V)
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
1 25 50 75
Tj(°C)
100
ESDA6V1W5
125
Figure 9.
Peak forward voltage drop versus peak forward current (typical values) (ESDA25W / ESDA25W5)
Figure 10. Peak forward voltage drop versus peak forward current (typical values) (ESDA6V1W5 / ESDA6V1-5W6)
IFM(A)
1E+0
IFM(A)
1E+0
Tj = 25°C
ESDA25W / ESDA25W5
Tj = 25°C
ESDA6V1W5
ESDA6V1-5W6
1E-1
1E-1
1E-2
1E-2
VFM(V)
1E-3 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 1E-3 0.6 0.7 0.8 0.9
VFM(V)
1.0 1.1 1.2 1.3 1.4 1.5 1.6
Figure 11. ESD response to IEC61000-4-2 (air discharge 15 kV, positive surge)
5/11
2 Ordering information scheme
ESDAxxxWx
2
Ordering information scheme
ESDA
ESD Array Breakdown Voltage 25 = 25 Volts min. 6V1 = 6.1 Volts min Number of lines protected (optional) -5 = 5 lines Packages W = SOT323-3L W5 = SOT323-5L W6 = SOT323-6L
25
-5
Wx
6/11
ESDAxxxWx
3 Package mechanical data
3
3.1
Package mechanical data
SOT323-3L package
DIMENSIONS
A E
REF.
Millimeters Min. Typ. Max. 1.1 0.1 0.4 0.26 2.0 1.25 0.65 1.8 0.1 0 2.1 0.2 2.4 0.3 30° 2.2 1.35 Min. 0.031 0.0 0.010 0.004
Inches Typ. Max. 0.043 0.004 0.016 0.010
A
e b
D
0.8 0.0 0.25 0.1 1.8 1.15
A1 b c
A1
D E e
0.071 0.079 0.086 0.045 0.049 0.053 0.026 0.071 0.083 0.094 0.004 0.008 0.012 0 30°
c
θ H
H
L
L q
Figure 12. Footprint dimensions
0.95
1.0
2.9
0.8
0.50
Dimensions in mm
7/11
3 Package mechanical data
ESDAxxxWx
3.2
SOT323-5L package
DIMENSIONS
A E
REF.
Millimeters Min. Max. 1.1 0.1 1 0.3 0.18 2.2 1.35
Inches Min. 0.031 0 0.031 0.006 0.004 0.071 0.045 Max. 0.043 0.004 0.039 0.012 0.007 0.086 0.053
e b e
D
A A1 A2 b
A1 A2
0.8 0 0.8 0.15 0.1 1.8 1.15
c D E e
Q1
c
0.65 Typ. 1.8 0.1 2.4 0.4
0.025 Typ. 0.071 0.004 0.094 0.016
L
HE
H Q1
Figure 13. Footprint dimensions
0.3
1.0
2.9
1.0
0.35
Dimensions in mm
8/11
ESDAxxxWx
3 Package mechanical data
3.3
SOT323-6L package
DIMENSIONS
A E
REF.
Millimeters Min. Max. 1.1 0.1 1 0.3 0.18 2.2 1.35
Inches Min. 0.031 0 0.031 0.006 0.004 0.071 0.045 Max. 0.043 0.004 0.039 0.012 0.007 0.086 0.053
e b e
D
A A1 A2 b
A1 A2
0.8 0 0.8 0.15 0.1 1.8 1.15
c D E e
Q1
c
0.65 Typ. 1.8 0.1 2.4 0.4
0.025 Typ. 0.071 0.004 0.094 0.016
L
HE
H Q
Figure 14. Footprint dimensions
0.65
1.05
0.80
2.9
1.05
0.40
Dimensions in mm
9/11
4 Ordering information
ESDAxxxWx
4
Ordering information
Part Number ESDA6V1W5 ESDA6V1-5W6 ESDA25W ESDA25W5 Marking E61 E62 E25 E25 Package SOT323-5L SOT323-6L 6 mg SOT323-3L SOT323-5L 3000 Tape & reel Weight Base qty Delivery mode
5
Revision history
Date 20-Jul-2005 29-Aug-2005 Revision 1 2 Initial release Added notes to table on page2, removed annotations in Figure 1. Changes
10/11
ESDAxxxWx
5 Revision history
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners © 2005 STMicroelectronics - All rights reserved STMicroelectronics group of companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America www.st.com
11/11
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