RCLAMP3654PA Datasheet by Semtech Corporation

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a SEMTECH
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RClamp3654PA
RailClamp®®
®®
®
Low Capacitance TVS Array
PROTECTION PRODUCTS - RailClamp®®
®®
®
Description Features
Circuit Diagram PIN Configuration
Revision 04/19/2010
RailClamp® TVS arrays are ultra low capacitance ESD
protection devices designed to protect high speed data
interfaces. This series has been specifically designed to
protect sensitive components which are connected to
high-speed data and transmission lines from overvolt-
age caused by ESD (electrostatic discharge), CDE
(Cable Discharge Events), and EFT (electrical fast
transients).
The RClamp®3654PA is specifically designed to protect
portable devices that utilize the USB port for battery
charging. The unique design of this device features low
capacitance TVS diodes for protection of the USB data
(DP, DM) and USB ID (accessory detect) pins operating
up to 5 volts. Loading capacitance on these lines is
<1pF for maximum signal integrity. An integrated 28
volt TVS diode is used for protection of the USB
voltage bus. This ensures the device will remain in a
high-impedance state during normal USB operation or
when the battery is being charged. Leakage current of
the VBus protection is <100nA when operating at 28
volts.
The RClamp3654PA is in a 6-pin SLP1616P6 package.
It measures 1.6 x 1.6 x 0.60mm. The leads are
spaced at a pitch of 0.5mm and are finished with lead-
free NiPdAu. They may be used to meet the ESD
immunity requirements of IEC 61000-4-2, Level 4
(15kV air, 8kV contact discharge).
Applications
Mechanical Characteristics
USB 2.0
USB OTG
Transient protection for high-speed data lines to
IEC 61000-4-2 (ESD) ±15kV (air), ±8kV (contact)
IEC 61000-4-4 (EFT) 40A (5/50ns)
Array of surge rated diodes with internal TVS Diode
Small package (1.6 x 1.6mm) saves board space
Protects USB DP, DM, and ID Pin operating up to
5.5V
Protects USB VBus operating up to 28V
Low capacitance (<1pF) on DP, DM, and ID Pins
No insertion loss to 2.0GHz2.0GHz
2.0GHz2.0GHz
2.0GHz
Low leakage current
Low clamping voltage
Large ground pad for increased ESD performance
Solid-state silicon-avalanche technology
SLP1616P6 6L package
Pb-Free, Halogen Free, RoHS/WEEE Compliant
Nominal Dimensions: 1.6 x 1.6 x 0.60 mm
Lead Finish: NiPdAu
Molding compound flammability rating: UL 94V-0
Marking : Marking code + two character date code
Packaging : Tape and Reel
SLP1616P6 (Top View)
1
Gnd
2
3
6
5
4
USB ID
DM
DP
NC
VBus
NC
12 3
GND
6
5.5V 28V
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2© 2010 Semtech Corp. www.semtech.com
PROTECTION PRODUCTS
RClamp3654PA
Absolute Maximum Rating
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© 2010 Semtech Corp. www.semtech.com
PROTECTION PRODUCTS
RClamp3654PA
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PROTECTION PRODUCTS
RClamp3654PA
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© 2010 Semtech Corp. www.semtech.com
PROTECTION PRODUCTS
RClamp3654PA
Typical Characteristics
Non-Repetitive Peak Pulse Power vs. Pulse Time Power Derating Curve
0
10
20
30
40
50
60
70
80
90
100
110
0 25 50 75 100 125 150
Ambient Temperature - TA (oC)
% of Rated Power or IPP
Clamping Voltage vs. Peak Pulse Current
(Pin 6 to GND)
Pulse Waveform
0
10
20
30
40
50
60
70
80
90
100
110
0 5 10 15 20 25 30
Time (µs)
Percent of I PP
e-t
td = IPP/2
Waveform
Parameters:
tr = 8µs
td = 20µs
0.01
0.1
1
10
0.1 1 10 100 1000
Pulse Duration - tp (us)
Peak Pulse Power - PPP (kW)
0
5
10
15
20
25
30
35
40
00.511.522.533.54
Peak Pulse Current - IPP (A)
Clamping Voltage - VC (V)
Waveform
Parameters:
tr = 8μs
td = 20μs
Clamping Voltage vs. Peak Pulse Current
(Pin 1, 2, or 3 to GND)
Reverse Clamping Voltage vs. Peak Pulse Current
(Pin GND to Pin 6)
0
10
20
30
40
50
60
70
0123456
Peak Pulse Current - IPP (A)
Clamping Voltage - VC (V)
Waveform
Parameters:
tr = 8µs
td = 20µs
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
024681012
Peak Pulse Current - IPP (A)
Forward Voltage - VF (V)
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6© 2010 Semtech Corp. www.semtech.com
PROTECTION PRODUCTS
RClamp3654PA
START
. 030 MHz 3
STOP 000
.
000 000 MHz
CH1 S21 LOG 20 dB/ REF 0 dB
Typical Characteristics
1 2
3
START
. 030 MHz 3
STOP 000
.
000 000 MHz
CH1 S21 LOG 6 dB / REF 0 dB
1: -0.086 dB
900 MHz
2: -0.0336 dB
1.8 GHz
3: -0.126 dB
2.5 GHz
0 dB
-6 dB
-12 dB
-18 dB
-24 dB
-30 dB
-36 dB
1
GHz
100
MHz 3
GHz
10
MHz
1
MHz
-42 dB
-48 dB
Analog Crosstalk
Insertion Loss S21 (Pin 1, 2, or 3 to Gnd)Normalized Capacitance vs. Reverse Voltage
(Pin 1, 2, or 3 to Gnd)
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
012345
Reverse Voltage - VR (V)
CJ(VR) / CJ(VR=0)
f = 1MHz
7
© 2010 Semtech Corp. www.semtech.com
PROTECTION PRODUCTS
RClamp3654PA
Applications Information
Figure 2 - USB ProtectionFigure 2 - USB Protection
Figure 2 - USB ProtectionFigure 2 - USB Protection
Figure 2 - USB Protection
Figure 1- Pin Configuration & Circuit Diagram
Device Connection Options for Protecting One USB
Port
USB Data and ID lines are connected at pins 1, 2, and
3. These inputs are referenced to an internal 5 volt
TVS protection device. When the voltage on these
lines exceed 5 volts, the TVS will conduct. Pin 6 is
connected to the USB voltage bus (VBus). This device
will conduct when the voltage on the bus exceeds 28
volts. The center tab is connected to ground. The
path length should also be kept as short as possible to
minimize parasitic inductance. For best results,
multiple micro-vias are recommended to the ground
plane.
Protecting USB Interfaces
The RClamp3654PA is optimized for use on systems
that utilize the USB interface for battery charging. Low
capacitance protection is provided for the USB data
(DM, DP) and USB ID pins. The maximum capacitance
on these lines is <1pF for maximum signal integrity.
All three lines are referenced to an internal 5 volt TVS
device. A separate 28 volt TVS device is used for
protection of the USB voltage bus. This allows battery
charging without signal clipping. A typical example is
shown in Figure 2.
VBus
Mini USB
DM
USB ID
GND
1
Gnd
1
2
3
4
5
DP
12 3
GND
6
5.5V 28V
8© 2010 Semtech Corp. www.semtech.com
PROTECTION PRODUCTS
RClamp3654PA
Outline Drawing - SLP1616P6
Land Pattern - SLP1616P6
bxN
E/2
LxN
E1
D1
A2
A
E
D
1.701.50
.067.059
1.50 1.70.067.059
INCHES
.020 BSC
b.008
bbb
aaa
N
D1
L
e
D
.010
.041
DIM
A1
A2
A
MIN
0.00
.020
0.30
0.20.012 0.25
.010
0.40
1.30
0.25
1.05
.004
.003
6
.013
.063
.047
.016
.051
0.08
0.10
6
0.33
1.60
1.20
0.50 BSC
MILLIMETERS
MAX
0.05
0.65
DIMENSIONS
MIN
0.00
NOM
(.005)
.023
.001
MAX
.002
.026
NOM
0.50
0.03
(0.13)
0.58
CONTROLLING DIMENSIONS ARE IN MILLIMETERS (ANGLES IN DEGREES).
COPLANARITY APPLIES TO THE EXPOSED PAD AS WELL AS THE TERMINALS.
NOTES:
2.
1.
E1 .010 .016 .020 0.25 0.40 0.50
1.60.063E
AB
A1
SEATING
PLANE
C
aaa C
12
N
e
PIN 1
INDICATOR
(LASER MARK)
bbb C A B
D/2
CONTROLLING DIMENSIONS ARE IN MILLIMETERS (ANGLES IN DEGREES).
1.
FUNCTIONAL PERFORMANCE OF THE DEVICE.
FAILURE TO DO SO MAY COMPROMISE THE THERMAL AND/OR
SHALL BE CONNECTED TO A SYSTEM GROUND PLANE.
THERMAL VIAS IN THE LAND PATTERN OF THE EXPOSED PAD
3.
THIS LAND PATTERN IS FOR REFERENCE PURPOSES ONLY.
CONSULT YOUR MANUFACTURING GROUP TO ENSURE YOUR
NOTES:
2.
DIM
X
Y
P
G
C
MILLIMETERSINCHES
1.52
.012
.025
.035
.020
.060
0.30
0.63
0.50
0.89
DIMENSIONS
COMPANY'S MANUFACTURING GUIDELINES ARE MET.
2.15.085Z
.018H 0.45
X
Z
P
Y
G(C)
H
K
K.051 1.30
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© 2010 Semtech Corp. www.semtech.com
PROTECTION PRODUCTS
RClamp3654PA
Contact Information
Semtech Corporation
Protection Products Division
200 Flynn Rd., Camarillo, CA 93012
Phone: (805)498-2111 FAX (805)498-3804
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Ordering Information
Tape and Reel Specification
RailClamp and RClamp are marks of Semtech Corporation
Device Orientation in Tape
Pin 1 in upper left towards sprocket holes
Marking
0A0B0K
mm01.0-/+87.1mm01.0-/+87.1mm01.0-/+96.0
epaT
htdiW )xaM(,BD1DE F
K
)XAM( P0P2P)XAM(TW
mm8mm2.4 mm1.0+5.1
)mm0.0-
mm5.0
50.0±
01.±057.1
mm 50.0±5.3
mm mm4.2 1.0±0.4
mm
1.
0±0.4
mm
50.0±0.2
mm mm4.0
mm0.8
mm3.0+
mm1.0-
YW = Two character Date Code
3654A
YW

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