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RCLAMP3654P Schematic ( PDF Datasheet ) - Semtech Corporation

Teilenummer RCLAMP3654P
Beschreibung Low Capacitance TVS Array
Hersteller Semtech Corporation
Logo Semtech Corporation Logo 




Gesamt 10 Seiten
RCLAMP3654P Datasheet, Funktion
PROTECTION PRODUCTS - RailClamp
www.DataSheet4U.com
Description
RailClampis a low capacitance TVS array designed to
protect high speed data interfaces. This series has
been specifically designed to protect sensitive compo-
nents which are connected to data and transmission
lines from overvoltage caused by ESD (electrostatic
discharge), CDE (Cable Discharge Events), and EFT
(electrical fast transients).
The RClamp3654P 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
<0.1pF 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 RClamp3654P is in a 6-pin, RoHS compliant,
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).
RClamp3654P
RailClamp
Low Capacitance TVS Array
Features
‹ 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 2.0GHz
‹ Low leakage current
‹ Low clamping voltage
‹ Large ground pad for increased ESD performance
‹ Solid-state silicon-avalanche technology
Mechanical Characteristics
‹ SLP1616P6 6L package
‹ 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
Applications
‹ USB 2.0
‹ USB OTG
Circuit Diagram
PIN Configuration
12
3
GND
Revision 07/18/2008
6
5.5V
28V
DM 1
6 VBus
DP 2 Gnd 5 NC
USB ID 3
4 NC
SLP1616P6 (Top View)
1 www.semtech.com






RCLAMP3654P Datasheet, Funktion
PROTECTION PRODUCTS
Typwicwwa.lDaCtahShaereat4Uc.tceomristics
Normalized Capacitance vs. Reverse Voltage
(Pin 1, 2, or 3 to Gnd)
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0
f = 1MHz
123
Reverse Voltage - VR (V)
4
5
Analog Crosstalk
CH1 S21 LOG 20 dB/REF 0 dB
RClamp3654P
Insertion Loss S21 (Pin 1, 2, or 3 to Gnd)
CH1 S21 LOG 6 dB / REF 0 dB
0 dB
-6 dB
-12 dB
-18 dB
-24 dB
-30 dB
-36 dB
-42 dB
-48 dB
1
MHz
START. 030 MHz
10
MHz
1: -0.086 dB
900 MHz
3 2: -0.0336 dB
1.8 GHz
12
3: -0.126 dB
2.5 GHz
100
MHz
13
GHz GHz
STOP 3000.000000 MHz
START. 030 MHz
STOP 3000.000000 MHz
2008 Semtech Corp.
6
www.semtech.com

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