LNBTVS6-220 [STMICROELECTRONICS]
Lightning protection for LNB power supply; 为LNB电源防雷
| 型号： | LNBTVS6-220 |
| 厂家： | 
ST |
| 描述： | Lightning protection for LNB power supply |
| 文件： | 总9页 (文件大小：111K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
LNBTVSx-22xx
Lightning protection for LNB power supply
Features
A
■ 3 kV, 4 kV and 6 kV protection (8/20 µs)
■ Axial & SMD package
A
A
■ Unidirectional and low V
F
K
K
K
(V = 1.2 V at I = 3 A)
F
F
■ Low clamping factor
■ Fast response time
DO-201
SMB
SMC
Description
Order Code
The LNBTVSx-22xx is a dedicated lightning and
electrical overstress surge protection for LNB
voltage regulators in satellite set top box
applications.
Part number
Marking
LNBTVS3-220
LNBTVS3-220U
LNBTVS4-220
LNBTVS4-220S
LNBTVS4-221
LNBTVS4-221S
LNBTVS4-222S
LNBTVS6-220S
LNBTVS6-221S
LNBTVS3-220
LC
LNBTVS4-220
LAA
This device provides the lightning protection
required to pass the IEC and FCC regulations.
Available in axial, SMB and SMC packages, this
device is compatible with industry standard
mounting processes.
LNBTVS4-221
LAB
LAC
LBA
LBB
Table 1.
Symbol
Absolute maximum ratings (T
= 25° C)
amb
Parameter
Value
Unit
PPP
P
Peak pulse power dissipation (1)
Tj initial = Tamb up to 3 kW
W
W
Peak dissipation on infinite heatsink
Tamb = 75° C
5
Tp = 10 ms
IFSM
Non repetitive surge peak forward current for unidirectional types
200
A
Tj initial = Tamb
Tstg
Tj
Storage temperature range
-65 to + 175
150
° C
° C
Maximum junction temperature
TL
Maximum lead temperature for soldering during 10 s at 5 mm from case
230
° C
1. For a surge greater than the maximum values, the diode will fail in short-circuit.
January 2007
Rev 3
1/9
www.st.com
Characteristics
LNBTVSx-22xx
1
Characteristics
Table 2.
Thermal resistance
Symbol
Parameter
Package
Value
Unit
Rth (j-l)
Rth (j-a)
Rth (j-l)
Rth (j-a)
Rth (j-l)
Rth (j-a)
Junction to leads
DO-201
DO-201
SMB
20
75
° C/W
° C/W
° C/W
° C/W
° C/W
° C/W
Junction to ambient on printed circuit Llead = 10 mm
Junction to case
20
Junction to ambient on printed circuit
Junction to case
SMB
100
20
SMC
Junction to ambient on printed circuit
SMC
75
Table 3.
Electrical characteristics (T = 25° C)
amb
Symbol
Parameter
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
Type
IRM @VRM
Max
VBR @ IR
αT
C
10/1000 µS 10/1000 µs 8/20 µs (1)
Min Typ Max
Max
V
Max
V
Max
Typ
Unidirectional
μA
V
V
V
V
mA
W
A
A
10-4/°C pF
LNBTVS3-220
LNBTVS3-220U
LNBTVS4-220
LNBTVS4-220S
LNBTVS4-221
LNBTVS4-221S
LNBTVS4-222S
LNBTVS6-220S
LNBTVS6-221S
1
1
1
1
1
1
1
1
1
20
20
20
20
20
20
20
20
20
22 23.1 24.2
22 23.1 24.2
22 23.1 24.2
22 23.1 24.2
22 23.1 24.2
22 23.1 24.2
22 23.1 24.2
22 23.1 24.2
22 23.1 24.2
1
1
1
1
1
1
1
1
1
1500
1500
1800
1800
2000
2000
3000
3000
3000
33.2
33.2
33.2
33.2
33.2
33.2
33.2
33.2
33.2
45
45
55
55
60
60
90
90
90
35
35
35
35
32
32
30
35
32
250
250
331
331
331
331
331
500
500
9.6
9.6
9.6
9.6
9.6
9.6
9.6
9.6
9.6
3000
3000
3500
3500
5500
5500
6000
6000
6000
1. IEC 61000-4-5 R = 12 Ω
2/9
LNBTVSx-22xx
Figure 1.
Characteristics
Surge test examples at +4 kV - IEC 61000-4-5 - with series resistor of 12 Ω
LNBTVS4-221S
LNBTVS4-220S
LNBTVS6-221S
3/9
Application
LNBTVSx-22xx
2
Application
Figure 2.
Application diagram
LNBP/S
Gate
LT1
Sense
Feedback
Step-
Controller
LT2
L
Vup
Vcc
Byp
OUT
Preregul.
U.V.lockout
+P.ON
R
Enable
Linear Post-reg
+Modulator
+Protection
I
V
EXTM
SCL
SDA
Diagnostics
I²C
DETIN
Tone
Detector
22 kHz
Oscill
ADDR
DSQIN
LNBTVSx-22xx
DSQOUT
Table 4.
Optimized fit to ST voltage regulators
Recommended lightning protections
LNBP20, LNBP11x, LNBP8/9 LNBTVS3-220/x, LNBTVS4-220/x, LNBTVS6-220S, LNBTVS6-221S
LNB voltage regulators
LNBS21, LNBP21
LNBTVS4-222S, LNBTVS6-221S
LNBH21, LNBH221,
LNBH22, LNBEH21,
LNBEH221
LNBTVS4-220/x, LNBTVS4-221/x, LNBTVS6-221S
LNBTVS4-221/x, LNBTVS4-222S, LNBTVS6-221S
LNBH23, LNBH24
4/9
LNBTVSx-22xx
Ordering information scheme
3
Ordering information scheme
LNB TVS
x
- 22 xx
Low noise block regulator
Transient voltage suppressor
Lightning surge level
3 = 3 kV
4 = 4 kV
6 = 6 kV
VBR
22 = 22 V
VCL
0 = 35 V
1 = 32 V
2 = 30 V
Package
U = SMB
S = SMC
Blank = DO201
5/9
Package information
LNBTVSx-22xx
4
Package information
●
Epoxy meets UL 94, V0
Table 5.
SMC package dimensions
DIMENSIONS
Millimeters Inches
Min. Max.
REF.
E1
Min.
Max.
A1
A2
b
1.90
0.05
2.90
0.15
7.75
6.60
4.40
5.55
0.75
2.45
0.20
3.2
0.075 0.096
0.002 0.008
0.114 0.126
0.006 0.016
0.305 0.321
0.260 0.281
0.173 0.185
0.218 0.246
0.030 0.063
D
c
0.41
8.15
7.15
4.70
6.25
1.60
E
E
E1
E2
D
A1
A2
C
E2
L
b
L
Figure 3. SMC footprint (dimensions in mm)
1.54 5.11
1.54
3.14
8.19
6/9
LNBTVSx-22xx
Package information
DIMENSIONS
Table 6.
SMB package dimensions
E1
REF. Millimeters
Inches
Min. Max. Min. Max.
D
A1
A2
b
1.90 2.45 0.075 0.096
0.05 0.20 0.002 0.008
1.95 2.20 0.077 0.087
0.15 0.41 0.006 0.016
5.10 5.60 0.201 0.220
4.05 4.60 0.159 0.181
3.30 3.95 0.130 0.156
0.75 1.60 0.030 0.063
E
c
E
A1
E1
D
C
A2
L
b
L
Figure 4. SMB footprint (dimensions in mm)
1.62
2.60
1.62
2.18
5.84
Table 7.
DO-201 package dimensions
DIMENSIONS
B
A
B
REF.
Millimeters
Inches
Min. Max. Min. Max.
ØD
A
8.5
25.4
4.8
9.5
5.3
0.335 0.374
1
ØC
B
Ø C
Ø D
0.189 0.209
0.96
1.06 0.038 0.042
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.
7/9
Ordering information
LNBTVSx-22xx
5
Ordering information
Delivery
mode
Part number
Marking
Package
Weight
Base qty
LNBTVS3-220 LNBTVS3-220
LNBTVS3-220U LC
LNBTVS4-220 LNBTVS4-220
LNBTVS4-220S LAA
LNBTVS4-221 LNBTVS4-221
DO-201
SMB
0.83
0.107
0.83
600
2500
600
Amopack
Tape and reel
Amopack
DO-201
SMC
0.245
0.83
2500
600
Tape and reel
Amopack
DO-201
SMC
LNBTVS4-221S
LNBTVS4-222S
LNBTVS6-220S
LNBTVS6-221S
LAB
LAC
LBA
LBB
0.245
0.245
0.245
0.245
2500
2500
2500
2500
Tape and reel
Tape and reel
Tape and reel
Tape and reel
SMC
SMC
SMC
6
Revision history
Date
Revision
Changes
30-Sep-2005
1
First release
Reformatted to current standard. Corrected peak pulse power
dissipation for LNBTVS6-220S in Table 2. Corrected footprint
dimensions for SMC and SMB packages.
10-Apr-2006
29-Jan-2007
2
3
Added surge test examples in Figure 1. Added Table 4. Optimized fit
to ST voltage regulators. Added cathode bar indicators in package
illustrations on page 1.
8/9
LNBTVSx-22xx
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9/9
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