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NUP4304M6 데이터시트 PDF




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기능 Low Capacitance Diode Array
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NUP4304M6 데이터시트, 핀배열, 회로
NUP4304MR6
Low Capacitance Diode
Array for ESD Protection in
Four Data Lines
NUP4304MR6 is a MicroIntegrationdevice designed to provide
protection for sensitive components from possible harmful electrical
transients; for example, ESD (electrostatic discharge).
Features
Low Capacitance (1.5 pF Maximum Between I/O Lines)
Single Package Integration Design
Provides ESD Protection for JEDEC Standards JESD22
Machine Model = Class C
Human Body Model = Class 3B
Protection for IEC61000−4−2 (Level 4)
8.0 kV (Contact)
15 kV (Air)
Ensures Data Line Speed and Integrity
Fewer Components and Less Board Space
Direct the Transient to Either Positive Side or to the Ground
Applications
USB 1.1 and 2.0 Data Line Protection
T1/E1 Secondary IC Protection
T3/E3 Secondary IC Protection
HDSL, IDSL Secondary IC Protection
Video Line Protection
Microcontroller Input Protection
Base Stations
I2C Bus Protection
Pb−Free Package is Available
www.DataSheet4U.com
MAXIMUM RATINGS (Each Diode) (TJ = 25°C unless otherwise noted)
Rating
Symbol Value
Unit
Reverse Voltage
Forward Current
Peak Forward Surge Current
Repetitive Peak Reverse Voltage
Average Rectified Forward
Current (Note 1)
(averaged over any 20 ms period)
VR 70 Vdc
IF 200 mAdc
IFM(surge) 500 mAdc
VRRM
70
V
IF(AV)
715 mA
Repetitive Peak Forward Current
Non−Repetitive Peak Forward Current
t = 1.0 ms
t = 1.0 ms
t = 1.0 S
IFRM
IFSM
450 mA
A
2.0
1.0
0.5
Maximum ratings are those values beyond which device damage can occur.
Maximum ratings applied to the device are individual stress limit values (not
normal operating conditions) and are not valid simultaneously. If these limits are
exceeded, device functional operation is not implied, damage may occur and
reliability may be affected.
1. FR−5 = 1.0  0.75  0.062 in.
© Semiconductor Components Industries, LLC, 2006
January, 2006 − Rev. 1
1
http://onsemi.com
PIN CONFIGURATION
AND SCHEMATIC
I/O 1
VP 2
1/O 3
6 I/O
5 VN
4 I/O
54
6
123
TSOP−6
CASE 318F
PLASTIC
MARKING DIAGRAM
LG MG
G
LG = Specific Device Code
M = Date Code
G = Pb−Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
Device
Package
Shipping
NUP4304MR6T1 TSOP−6 3000/Tape & Reel
NUP4304MR6T1G TSOP−6 3000/Tape & Reel
(Pb−Free)
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
Publication Order Number:
NUP4304MR6/D




NUP4304M6 pdf, 반도체, 판매, 대치품
NUP4304MR6
APPLICATIONS INFORMATION
The NUP4304MR6 is a low capacitance diode array
designed to protect sensitive electronics such as
communications systems, computers, and computer
peripherals against damage due to ESD events or transient
overvoltage conditions. Because of its low capacitance, it
can be used on high speed I/O data lines. The integrated
design of the NUP4304MR6 offers surge rated, low
capacitance steering diodes integrated in a single package
(TSOP−6). If a transient condition occurs, the steering
diodes will drive the transient to the positive rail of the
power supply or to ground.
NUP4304MR6 Configuration Options
The NUP4304MR6 is able to protect up to four data lines
against transient overvoltage conditions by driving them to
a fixed reference point for clamping purposes. The steering
diodes will be forward biased whenever the voltage on the
protected line exceeds the reference voltage (Vf or Vcc+Vf).
The diodes will force the transient current to bypass the
sensitive circuit.
Data lines are connected at pins 1, 3, 4 and 6. The negative
reference is connected at pin 5. This pin must be connected
directly to ground by using a ground plane to minimize the
PCB’s ground inductance. It is very important to reduce the
PCB trace lengths as much as possible to minimize parasitic
inductance.
Option 1
Protection of four data lines using Vcc as reference.
I/O 1
I/O 2
VCC
I/O 3
I/O 4
1
2
3
6
5
4
For this configuration, connect pin 2 directly to the
positive supply rail (Vcc), the data lines are referenced to the
supply voltage. Biasing of the steering diodes reduces their
capacitance.
Option 2
Protection of four data lines and the supply rail using VCC
as a reference and an external TVS diode.
I/O 1
I/O 2
VCC
1
6
25
I/O 3
I/O 4
3
4
If additional protection of the supply rail is desired, an
external TVS diode may be added across VCC and ground.
This will prevent overvoltage conditions on the supply rail
protecting the supply and other circuits connected to it.
Option 3
Protection of four data lines with bias and power supply
isolation resistor.
I/O 1
I/O 2
VCC
10 k
1
2
6
5
I/O 3
I/O 4
3
4
The NUP4304MR6 can be isolated from the power supply
by connecting a series resistor between pin 2 and VCC. A
10 kW resistor is recommended for this application. This
will maintain bias on the internal steering diodes, reducing
their capacitance.
http://onsemi.com
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