UCLAMP1211P.TCT [SEMTECH]
μClampTM 1-Line ESD protection; μClampTM 1线ESD保护
| 型号： | UCLAMP1211P.TCT |
| 厂家： | 
SEMTECH CORPORATION |
| 描述： | μClampTM 1-Line ESD protection |
| 文件： | 总7页 (文件大小：173K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
uClamp1211P
µClampTM
1-Line ESD protection
PROTECTION PRODUCTS - MicroClampTM
Features
Description
The µClampTM series of TVS arrays are designed to pro-
tect sensitive electronics from damage or latch-up due
to ESD. It is designed to replace multilayer varistors
(MLVs) in portable applications. It features large cross-
sectional area junctions for conducting high transient cur-
rents. It offers superior electrical characteristics such
as lower clamping voltage and no device degradation
when compared to MLVs. They offer desirable charac-
teristics for board level protection including fast response
time, low operating and clamping voltage, and no device
degradation.
Transient protection for data lines to
IEC 61000-4-2 (ESD) ±15kV (air), ±8kV (contact)
IEC 61000-4-4 (EFT) 40A (tp = 5/50ns)
Cable Discharge Event (CDE)
Ultra-small package (1.0 x 0.6 x 0.5mm)
Protects one I/O or power line
Low clamping voltage
Working voltage: ±12V
Low leakage current
Solid-state silicon-avalanche technology
Mechanical Characteristics
SLP1006P2 package
The µClampTM1211P is in a 2-pin, RoHS/WEEE
compliant, SLP1006P2 package. It measures
1.0 x 0.6 x 0.5mm. The leads are spaced at a pitch of
0.65mm and are finished with lead-free NiPdAu. Each
device will protect one bidirectional line operating at
±12 volts. It gives the designer the flexibility to
protect single lines in applications where arrays are not
practical. They may be used to meet the ESD immunity
requirements of IEC 61000-4-2, Level 4 (±15kV air,
±8kV contact discharge). The combination of small
size and high ESD surge capability makes them ideal
for use in portable applications such as cellular
phones, digital cameras, and MP3 players.
Molding compound flammability rating: UL 94V-0
Marking : Marking code
Packaging : Tape and Reel
Lead Finish: NiPdAu
RoHS/WEEE Compliant
Applications
Cellular Handsets & Accessories
Cordless Phones
Personal Digital Assistants (PDAs)
Notebooks & Handhelds
Portable Instrumentation
Digital Cameras
Peripherals
MP3 Players
Dimensions
Schematic & PIN Configuration
1.0
0.60
0.65
0.50
Maximum Dimensions (mm)
SLP1006P2 (Bottom View)
www.semtech.com
Revision 08/23/2007
1
uClamp1211P
PROTECTION PRODUCTS
Absolute Maximum Rating
Rating
Peak Pulse Power (tp = 8/20µs)
Peak Pulse Current (tp = 8/20µs)
Symbol
Ppk
Value
Units
Watts
Amps
kV
200
7
Ipp
ESD per IEC 61000-4-2 (Air)
ESD per IEC 61000-4-2 (Contact)
VESD
±15
±8
Operating Temperature
Storage Temperature
TJ
-55 to +125
-55 to +150
°C
°C
TSTG
Electrical Characteristics (T=25oC)
Parameter
Reverse Stand-Off Voltage
Reverse Breakdown Voltage
Reverse Leakage Current
Clamping Voltage
Symbol
VRWM
VBR
IR
Conditions
Minimum
Typical
Maximum
Units
12
V
V
It = 1mA
13.3
VRWM = 12V, T=25°C
IPP = 1A, tp = 8/20µs
IPP = 7A, tp = 8/20µs
VR = 0V, f = 1MHz
1
19
µA
V
VC
Clamping Voltage
VC
28.5
25
V
Junction Capacitance
Cj
pF
www.semtech.com
2007 Semtech Corp.
2
uClamp1211P
PROTECTION PRODUCTS
Typical Characteristics
Non-Repetitive Peak Pulse Power vs. Pulse Time
Power Derating Curve
10
110
100
90
80
70
60
50
40
30
20
10
0
1
0.1
0.01
0
25
50
75
100
125
150
0.1
1
10
100
1000
Ambient Temperature - TA (oC)
Pulse Duration - tp (µs)
Normalized Junction Capacitance vs. Reverse Voltage
Clamping Voltage vs. Peak Pulse Current
30
25
20
15
10
5
1.1
f = 1 MHz
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
Waveform
Parameters:
tr = 8µs
td = 20µs
0
0
1
2
3
4
5
6
7
8
0
1
2
3
4
5
Reverse Voltage - VR (V)
Peak Pulse Current - IPP (A)
ESD Clamping
Insertion Loss (S21)
(8kV Contact per IEC 61000-4-2)
CH1S21 LOG
6 dB / REF 0 dB
1: -3.0028 dB
334MHz
2: -11.453 dB
900 MHz
0 dB
4
3: -17.015 dB
1.8 GHz
-6 dB
-12 dB
-18 dB
-24 dB
-30 dB
-36 dB
3
4: -10.370 dB
2.5 GHz
1
2
-42 dB
-48 dB
1
10
100
1
3
MHz
START. 030MHz
MHz
MHz
GHz
GHz
Note: Data is taken with a 10x attenuator
STOP 3000.000000MHz
www.semtech.com
2007 Semtech Corp.
3
uClamp1211P
PROTECTION PRODUCTS
Applications Information
Device Connection Options
Circuit Diagram
This TVS diode is designed to protect one data,
I/O, or power supply line. The device is bidirectional
and may be used on lines where the signal polarity can
go above and below ground. The device is
symmetrical, and therefore, the orientation of the
device is not critical.
Circuit Board Layout Recommendations for Suppres-
sion of ESD.
Good circuit board layout is critical for the suppression
of ESD induced transients. The following guidelines are
recommended:
z
z
z
z
Place the TVS near the input terminals or connec-
tors to restrict transient coupling.
Minimize the path length between the TVS and the
protected line.
Minimize all conductive loops including power and
ground loops.
The ESD transient return path to ground should be
kept as short as possible.
z
z
Never run critical signals near board edges.
Use ground planes whenever possible.
www.semtech.com
2007 Semtech Corp.
4
uClamp1211P
PROTECTION PRODUCTS
Applications Information - Spice Model
uClamp1211P Spice Model
Table 1 - µClamp1211P Spice Parameters
Parameter
Unit
Amp
Volt
Volt
Ohm
Amp
Farad
sec
--
D1 (TVS)
1.48E-14
15.5
D2 (TVS)
1.48E-14
15.5
IS
BV
VJ
0.7
0.7
RS
IBV
CJO
TT
0.721
1E-3
0.721
1E-3
10E-12
2.541E-9
0.201
1.1
10E-12
2.541E-9
0.201
1.1
M
N
--
EG
eV
1.11
1.11
www.semtech.com
2007 Semtech Corp.
5
uClamp1211P
PROTECTION PRODUCTS
Outline Drawing - SLP1006P2
B
A
D
DIMENSIONS
INCHES MILLIMETERS
E
DIM
A
MIN NOM MAX MIN NOM MAX
.016
.022 0.40 0.50 0.55
.002 0.00 0.03 0.05
.022 0.45 0.50 0.55
.020
.001
.020
A1 .000
TOP VIEW
b
D
E
e
.018
1.00
0.60
.035 .039 .043 0.90
.020 .024 .028 0.50
1.10
0.70
.026 BSC
0.65 BSC
L
R
.008 .010 .012 0.20 0.25 0.30
.002 .004 .006 0.05 0.10 0.15
A
SEATING
PLANE
2
2
N
aaa C
A1
aaa
.003
.004
0.08
0.10
bbb
C
PIN 1 ID
R
bxN
bbb
C A B
2x L
e
BOTTOM VIEW
NOTES:
1. CONTROLLING DIMENSIONS ARE IN MILLIMETERS (ANGLES IN DEGREES).
Land Pattern - SLP1006P2
DIMENSIONS
Y
DIM
INCHES
MILLIMETERS
Z
(.033)
.012
.024
.022
.055
(0.85)
0.30
0.60
0.55
1.40
(C)
C
G
X
Y
Z
G
X
NOTES:
1. CONTROLLING DIMENSIONS ARE IN MILLIMETERS (ANGLES IN DEGREES).
2.
THIS LAND PATTERN IS FOR REFERENCE PURPOSES ONLY.
CONSULT YOUR MANUFACTURING GROUP TO ENSURE YOUR
COMPANY'S MANUFACTURING GUIDELINES ARE MET.
www.semtech.com
2007 Semtech Corp.
6
uClamp1211P
PROTECTION PRODUCTS
Marking Code
Ordering Information
Working
Voltage Marking
Device Qty per Reel
Part Number
Reel
Size
uClamp1211P.TCT
12V
S
3,000 7 Inch
MicroClamp, uClamp and µClamp are marks of Semtech
Corporation
S
PIN 1 ID
Tape and Reel Specification
A0
B0
K0
0.69 +/-0.10 mm
1.19 +/-0.10 mm
0.66 +/-0.10 mm
Tape
B, (Max)
Width
D
D1
E
F
P
P0
P2
T
W
1.5 + 0.1 mm
1.750±.10
mm
(.069±.004)
4.0±0.10
mm
(.157±.00-
4)
4.0±0.1
mm
(.157±.00-
4)
8.0 mm
+ 0.3 mm
- 0.1 mm
0.4 mm
±0.25
(.031)
3.5±0.05
mm
(.138±.002)
2.0±0.05
mm
(.079±.002)
4.2 mm
8 mm
- 0.0 mm
(0.59 +.005
- .000)
0.254±0.02
mm (.016)
(.165)
(.312±.012)
Contact Information
Semtech Corporation
Protection Products Division
200 Flynn Rd., Camarillo, CA 93012
Phone: (805)498-2111 FAX (805)498-3804
www.semtech.com
2007 Semtech Corp.
7
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