APPLICATIONS
Ethernet - 10/100 Base T
RS-485
xDSL & ATM
SCSI & USB
Audio/Video I/O Ports
IEC COMPATIBILITY (EN61000-4)
61000-4-2 (ESD): Air - 15kV, Contact - 8kV
61000-4-4 (EFT): 40A - 5/50ns
61000-4-5 (Surge): 24A, 8/20s Level 2 (Line to Ground) & Level 3 (Line to Line)
FEATURES
800 Watts Peak Pulse Power per Line (t
p
=8/20s)
Bidirectional Configuration
ESD Protection > 40 kilovolts
Available in Five Voltage Types: 5.0V to 24V
Standard Dual-In-Line Package
PROTECTS UP TO SIX (6) LINES
LOW CAPACITANCE: 15pF
1
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HIGH SPEED TVS DIODE ARRAY
CIRCUIT DIAGRAM
16 PIN DIP
05003
. . . engineered solutions for the transient environmentTM
MECHANICAL CHARACTERISTICS
Molded 16 Pin Dual-in-Line Package
Weight 1.2grams (Approximate)
Flammability Rating UL 94V-0
Packaged in Tubes 25 per
Marking: Logo, Part Number, Date Code & Pin 1 Indicated by DOT on Top of Package
1
2
3
4
12
11
8
7
6
5
16
15
14
13
10
9
2
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DEVICE CHARACTERISTICS
MAXIMUM RATINGS @ 25C Unless Otherwise Specified
Operating Temperature
SYMBOL
VALUE
-55
C to 150
C
C
C
-55
C to 150
C
UNITS
T
J
T
STG
PARAMETER
Storage Temperature
Peak Pulse Power (t
p
= 8/20s) - See Figure 1
P
PP
800
Watts
0 5 10 15 20 25 30
t - Time - s
0
20
40
60
80
100
120
I
PP
- Peak Pulse Current - % of I
PP
TEST
WAVEFORM
PARAMETERS
t
f
= 8s
t
d
= 20s
t
f
Peak Value I
PP
e
-t
FIGURE 2
PULSE WAVE FORM
0.1 1 10 100 1,000 10,000
t
d
- Pulse Duration - s
10
100
1,000
10,000
FIGURE 1
PEAK PULSE POWER VS PULSE TIME
P
PP
-
Peak Pulse Power - Watts
800W 8/20s Waveform
ELECTRICAL CHARACTERISTICS PER LINE @ 25C Unless Otherwise Specified
PART
NUMBER
(Notes 1)
RATED
STAND-OFF
VOLTAGE
V
WM
VOLTS
MINIMUM
BREAKDOWN
VOLTAGE
@ 1mA
V
(BR)
VOLTS
MAXIMUM
CLAMPING
VOLTAGE
(See Fig. 2)
@ I
P
= 1 A
V
C
VOLTS
MAXIMUM
CLAMPING
VOLTAGE
(See Fig. 2)
@ 8/20s
V
C
@ I
PP
TEMPERATURE
COEFFICIENT
OF V
(BR)
V
(BR)
mV/C
LCA05C
LCA08C
LCA12C
LCA15C
LCA24C
5.0
8.0
12.0
15.0
24.0
9.8
12.3
19.0
25.5
40.0
6.0
8.5
13.3
16.7
26.7
24V @ 45A
25.5V @ 40A
32V @ 34A
38V @ 27A
48V @ 22A
100
10
4
4
4
MAXIMUM
LEAKAGE
CURRENT
@V
WM
I
D
A
MAXIMUM
CAPACITANCE
@ 0V, 1 MHz
C
pF
15
15
15
15
15
3
9
16
17
26
Note 1: Tested on pin pairs 1 & 16, 2 & 15, 3 &14, 4 & 13, 5 & 12, 6 & 11, 7 & 10 and 8 & 9.
I
PP
/2
t
d
= t
3
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GRAPHS
0 25 50 75 100 125 150
T
L
- Lead Temperature - C
20
40
60
80
100
% Of Rated Power
Peak Pulse Power
8/20s
Average Power
FIGURE 3
POWER DERATING CURVE
0
FIGURE 4
OVERSHOOT & CLAMPING VOLTAGE FOR LCA05C
ESD Test Pulse: 12 kilovolt, 1/30ns (waveform)
5
V
olts per Division
0
10
20
30
40
FIGURE 5
TYPICAL CLAMPING VOLTAGE VS PEAK PULSE CURRENT
18
16
12
8
4
10
16
14
12
10
0
2
4
8
6
V
C
- Clamping
V
oltage -
V
olts
I
PP
- Peak Pulse Current - Amps
LCA05C
4
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Circuit board Layout Recommendations
Circuit board layout is critical for Electromagnetic Compatibility
(EMC) protection. The following guidelines are recommended:
The LCA should be placed near the input terminals or
connectors. By placing the TVS close to the connectors,
the device will divert the transient current immediately
before it can be coupled into the nearby traces.
The path length between the TVS devices and the
protected line should be minimized
All conductive loops including power and ground loops
should be minimized
The transient current return path to ground should be kept
as short as possible to reduce parasitic inductance.
Ground planes should be used whenever possible. For
Multilayer PCBs, use ground vias.
DEVICE SPECIFIC APPLICATION NOTE
The LCA Series are low capacitance, bidirectional TVS arrays that are designed to protect I/O or high speed data lines from the damaging effects of
ESD or EFT. This product series has a surge capability of 800 Watts P
PP
per line for an 8/20s waveshape and offers ESD protection > 40kV.
BIDIRECTIONAL COMMON MODE CONFIGURATION (Figure 1)
Ideal for use in USB applications, the LCA Series provides up to six (6) lines of protection in a common mode configuration as depicted in Figure 1.
Circuit connectivity is as follows:
Pins 2, 3, 4, 5, 6, and 7 are connected to ground.
Pins 15 and 14 connected to Port #1 D- and D+.
Pins 13 and 12 connected to Port #2 D+ and D-.
Pins 11 and 10 connected to Port #3 D+ and D-.
Figure 2. Typical Common- Mode USB Protection Circuit
D+
D-
USB OUTPUT
CONNECTOR
D+
D-
D-
D+
USB OUTPUT
CONNECTOR
USB
IC
USB OUTPUT
CONNECTOR
PORT #1
PORT #2
PORT #3
2
3
15
14
5
10
7
6
11
12
13
4
5
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COPYRIGHT ProTek Devices 2003
SPECIFICATIONS: ProTek reserves the right to change the electrical and or mechanical characteristics described herein without notice (except JEDEC).
DESIGN CHANGES: ProTek reserves the right to discontinue product lines without notice, and that the final judgement concerning selection and specifications is the buyer's and that in furnishing engineering and
technical assistance, ProTek assumes no responsibility with respect to the selection or specifications of such products.
PACKAGE OUTLINE & DIMENSIONS
PACKAGE OUTLINE
A
B
C
D
E
F
G
H
I
J
K
L
19.8
6.60
7.87
0.50
10
-
5.08
-
1.78
0.84 TYP
0.53
2.54 TYP
-
0.240
0.290
0.010
0
0.020
-
0.125
-
0.033 TYP
0.015
0.100 TYP
0.780
0.260
0.310
0.020
10
-
0.200
-
0.070
0.033 TYP
0.021
0.100 TYP
-
6.10
7.37
0.25
0
0.51
-
3.17
-
0.84 TYP
0.38
2.54 TYP
DIM
MIN
MAX
MIN
MAX
MILLIMETERS
INCHES
DIMENSIONS
16 PIN DIP
06003 Rev 1 - 11/01
NOTES:
1. Dimensions are exclusive of mold flash and metal
burrs.
A
Orientation Dot
(Pin #1)
I
12 Places
J
12 Places
K
16 Places
L
H
G
F
B
C
E
D
16 Places
ProTek Devices
2929 South Fair Lane, Tempe, AZ 85282
Tel: 602-431-8101 Fax: 602-431-2288
E-Mail: sales@protekdevices.com
Web Site: www.protekdevices.com
BULK ORDERING INFORMATION:
No Suffix: Bulk Quantities - 25 pieces per tube.
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