LNBTVS4-304S [STMICROELECTRONICS]
Lightning protection for LNB power supply; 为LNB电源防雷
| 型号： | LNBTVS4-304S |
| 厂家： | 
ST |
| 描述： | Lightning protection for LNB power supply |
| 文件： | 总7页 (文件大小：92K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
LNBTVSx-304
Lightning protection for LNB power supply
Features
■ 1 kV, 500 A protection (8/20 µs 1.2/50 µs)
■ SMC package
A
■ Unidirectional and low VF
(VF = 1.2 V at IF = 9 A)
K
■ Low clamping factor
■ Fast response time
SMC
Description
The LNBTVSx-304 is a dedicated lightning and
electrical overstress surge protection for LNB
voltage regulators in satellite set top box
applications.
Table 1.
Device summary
Characteristic LNBTVS4-304S LNBTVS6-304S
This device provides lightning protection based on
the IEEE C62.41.2 standard.
Lightning surge
level (8/20 µs
Available in the SMC package, this device is
compatible with industry standard mounting
processes.
1.2/50 µs
combination
wave)
700 V, 350 A
1000 V, 500 A
45 V @ 500 A
Clampingvoltage
(max)
45 V @ 333 A
April 2008
Rev 1
1/7
www.st.com
Characteristics
LNBTVSx-304
1
Characteristics
Table 2.
Symbol
Absolute maximum ratings (Tamb = 25° C)
Parameter
Value
Unit
PPP
P
Peak pulse power dissipation (1)
Tj initial = Tamb
amb = 75° C
up to 3 kW
W
W
Peak dissipation on infinite heatsink
T
5
250
LNBTVS4-304S
LNBTVS6-304S
A
Tp = 10 ms
Non repetitive surge peak forward current
for unidirectional types
IFSM
Tj initial = Tamb
300
A
Tstg
Tj
Storage temperature range
-65 to + 175
150
° C
° C
° C
Maximum junction temperature
TL
Maximum lead temperature for soldering during 10 s at 5 mm from case
260
1. For a surge greater than the maximum values, the diode will fail in short-circuit.
Table 3.
Symbol
Rth (j-l)
Rth (j-a)
Thermal resistance
Parameter
Value
Unit
Junction to case
20
75
° C/W
° C/W
Junction to ambient on printed circuit
Table 4.
Electrical characteristics (Tamb = 25° C)
Parameter
Symbol
I
VBR
IRM
VRM
VCL
IPP
Breakdown voltage
Leakage current @ VRM
Stand-off voltage
IF
Clamping voltage
VF
V
CL VBR VRM
Peak pulse current
V
IRM
IR
Series resistance between
Input & Output
RI/O
Cline
IF
Input capacitance per line
Forward current
IPP
VF
Forward voltage
PPP
VCL @ Ipp VCL @ Ipp
I
RM @VRM
VBR @ IR
αT
C
10/1000 µS 10/1000 µs 8/20 µs (1)
Type
Max
Min Typ Max
Max
V
Max
V
Max
Typ
µA
V
V
V
V
mA
A
A
10-4/°C pF
W
LNBTVS4-304S
LNBTVS6-304S
1
1
28
28
30 31.5 33
30 31.5 33
1
1
2500
3000
45
45
56
67
45
45
333
500
9.6
9.6
4000
5000
1. IEEE C62.41.2, R = 2 Ω
2/7
LNBTVSx-304
Figure 1.
Characteristics
Surge test examples at 300 A and 500 A according to IEEE C62.41.2 standard
LNBTVS4-304S
LNBTVS6-304S
LNBTVS6-304S
3/7
Ordering information scheme
LNBTVSx-304
2
Ordering information scheme
Figure 2.
Ordering information scheme
LNB TVS
x
- 30
4
S
Low noise block regulator
Transient voltage suppressor
Lightning surge level
4 = 700 V, 350 A (8/20 µs, 1.2/50 µs combination waveform
6 = 1000 V, 500 A (8/20 µs, 1.2/50 µs combination waveform
V
BR (min)
30 = 30 V
V
CL (max)
4 = 45 V
Package
S = SMC
4/7
LNBTVSx-304
Package information
3
Package information
●
Epoxy meets UL 94, V0
In order to meet environmental requirements, ST offers these devices in ECOPACK®
packages. These packages have a lead-free second level interconnect. The category of
second level interconnect is marked on the package and on the inner box label, in
compliance with JEDEC Standard JESD97. The maximum ratings related to soldering
conditions are also marked on the inner box label. ECOPACK is an ST trademark.
ECOPACK specifications are available at www.st.com.
Table 5.
SMC dimensions
Dimensions
Millimeters
Min. Max.
Ref.
Inches
E1
Min.
Max.
A1
A2
b(1)
c(1)
D
1.90
0.05
2.90
0.15
5.55
7.75
6.60
4.40
0.75
2.45
0.20
3.20
0.40
6.25
8.15
7.15
4.70
1.50
0.075
0.002
0.114
0.006
0.218
0.305
0.260
0.173
0.030
0.096
0.008
0.126
0.016
0.246
0.321
0.281
0.185
0.059
D
E
A1
E
C
A2
E1
E2
L
E2
L
b
1. Dimensions b and c apply to plated leads
Figure 3.
SMC footprint, dimensions in mm (inches)
1.54
5.11
1.54
(0.061)
(0.201)
(0.061)
3.14
(0.124)
8.19
(0.322)
5/7
Ordering information
LNBTVSx-304
4
Ordering information
Table 6.
Ordering information
Order code
Marking
Package
Weight
Base qty
Delivery mode
LNBTVS4-304S
LNBTVS6-304S
LAD
LBC
SMC
SMC
0.245
0.245
2500
2500
Tape and reel
Tape and reel
5
Revision history
Table 7.
Date
1-Apr-2008
Revision history
Revision
Changes
1
First release
6/7
LNBTVSx-304
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