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6-Line EMI Filter with Integrated ESD Protection
AOZ8035
General Description
The AOZ8035 is a 6-line device integrating EMI filtering with ESD protection for each line. It is designed to suppress unwanted EMI/RFI signals and provide electrostatic discharge (ESD) protection in portable electronic equipment. This state-of-the-art device utilizes AOS leading edge Trench Vertical Structure [TVS]2 TM technology for superior clamping performance and filter attenuation over the full operating display range. The AOZ8035 has been optimized for protection of color LCD displays and CCD camera lines in cellular phones and other portable consumer electronic devices. The AOZ8035 consists of six identical circuits comprised of TVS diodes for ESD protection, and a resistor-capacitor network for EMI/RFI filtering. A series resistor value of 100 and a capacitance value of 28pF are used to achieve -35dB minimum attenuation from 800MHz to 3.0GHz. The TVS diodes provide effective suppression of ESD voltages in excess of 20kV (contact discharge) and 20kV (air discharge). This exceeds IEC 61000-4-2, level 4 ESD immunity test. The AOZ8035 comes in an RoHS compliant, 2.50mm x 1.20mm DFN package and is rated over a -40C to +85C ambient temperature range.
Features
6 lines for EMI filtering and ESD protection: - Exceeds IEC 61000-4-2, level 4 (ESD) immunity test - 20kV (contact discharge) and 20kV (air discharge)
Trench Vertical Structure [TVS]2 TM based technology used to achieve excellent ESD clamping & filter performance over the full operating display range Filter performance: -35db attenuation from 800MHz to 3.0GHz Low operating voltage: 5.0V Capacitance stability over wide range of voltages and temperatures DFN package 2.50mm x 1.20mm Pb-Free device

Applications

EMI filtering and ESD protection for data lines LCD displays, camera interface, I/O interface Portable handheld devices, cell phones, PDA phones
Electrical Schematic
D0
100
CH1
28pF 28pF
100
D1
CH2
LCD/Camera Module
28pF
28pF
D5
100
CH6
28pF 28pF
Figure 1
Rev. 1.3 January 2009
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Page 1 of 7
AOZ8035
Ordering Information
Part Number
AOZ8035DIL
Ambient Temperature Range
-40C to +85C
Package
DFN-12
Environmental
RoHS Compliant Green Product
All AOS products are offered in packages with Pb-free plating and compliant to RoHS standards. Parts marked as Green Products (with "L" suffix) use reduced levels of Halogens, and are also RoHS compliant. Please visit www.aosmd.com/web/quality/rohs_compliant.jsp for additional information.
Pin Configuration
1 12
12
1
2 11
11
2
Exposed Pad (GND)
10
3
3
10
9
4
4
9
8
5
5
8
7
6
6 7
DFN-12
(Bottom View)
Top View
Pin Description
Pin Number
1,12 2, 11 3, 10 4, 9 5, 8 6, 7 Exposed Pad
Pin Name
CH 1 CH 2 CH 3 CH 4 CH 5 CH 6 GND
Pin Function
Channel 1 Connections Channel 2 Connections Channel 3 Connections Channel 4 Connections Channel 5 Connections Channel 6 Connections Common Ground Connection
Rev. 1.3 January 2009
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Page 2 of 7
AOZ8035
Absolute Maximum Ratings
Exceeding the Absolute Maximum ratings may damage the device.
Parameter
Storage Temperature (TS) ESD Rating per IEC61000-4-2, contact ESD Rating per IEC61000-4-2, air
(1) (1)
Rating
-65C to +150C 20kV 20kV 30kV
ESD Rating per Human Body Model(2)
Notes: 1. IEC 61000-4-2 discharge with CDischarge = 150pF, RDischarge = 330.
2. Human Body Discharge per MIL-STD-883, Method 3015 CDischarge = 100pF, RDischarge = 1.5k.
Electrical Characteristics
TA = 25C unless otherwise specified.
Symbol
VRWM VBR IR VCL
Parameter
Reverse Working Voltage Reverse Breakdown Voltage Reverse Leakage Current Signal Clamp Voltage
(3)(8)
Conditions
IT = 1mA(4)
Min.
6
Typ.
7
Max.
5.0 8 0.1
Units
V V A V
VRWM = 3.3V ILOAD = 1A, positive ILOAD = 1A, negative clamp(5)(8) ILOAD = 5A, positive clamp(5)(8) ILOAD = 5A, negative clamp(5)(8) ILOAD = 12A, positive clamp(5)(8) ILOAD = 12A, negative clamp(5)(8) clamp(5)(8)
7.00 -3.00 8.00 -5.00 10.00 -10.00 90 26 100 28 90 -35 110 30
RCH CCH fC
Total Series Resistance Channel Capacitance Cut-off Frequency Attenuation from 800MHz to 3.0GHz
IR = 20mA Input to Ground(6)(7)(8) Measured with 50 source and 50 load termination Measured with 50 source and 50 load termination
pF MHz dB
Notes: 3. The working peak reverse voltage, VRWM, should be equal to or greater than the DC or continuous peak operating voltage level. 4. VBR is measured at the pulse test current IT. 5. Measurements performed using a 100ns Transmission Line Pulse (TLP) system. 6. Total capacitance is equal to 2 x CCH. 7. Measured at 25C, VR = 2.5V, f = 1.0MHz. 8. Guaranteed by design.
Rev. 1.3 January 2009
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Page 3 of 7
AOZ8035
Typical Performance Characteristics
Insertion Loss Characteristics
0 -5
Typical Line Capacitance vs. Reverse Bias Voltage (Normalized to Capacitance @ 2.5V)
1.8 1.6
-15
Normalized Capacitance
-10
1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0
S21 (db)
-20 -25 -30 -35 -40 -45 -50 1 10 100 Frequency (MHz) 1000 10000
1.0
2.0
3.0
4.0
5.0
Reverse Biased Voltage (V)
Analog Crosstalk
0 11
Clamping Voltage vs. Peak Pulse Current
Clamping Voltage, Vcl (V)
-20
10
S21 (db)
-40
9
-60
8
-80
7
-100 1 10 100 Frequency (MHz) 1000 10000
6 0 2 4 6 8 10 12 Peak Pulse Current, Ipp (A)
Forward Voltage vs. Forward Current
12 110
Typical Resistance vs. Temperature
10
105
Forward Voltage (V)
8
Resistance ()
100
6
4
95
2 0 2 4 6 8 10 12 Forward Current (A)
90 -45
-25
-5
5
25
45
65
85
Temparature (C)
Rev. 1.3 January 2009
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Page 4 of 7
AOZ8035
Package Dimensions, DFN 2.5 x 1.2, 12L EP1 S
E
E1
D L
D1
Pin 1 Marking
12x
b
e
Pin 1 ID (C0.2x45)
TOP VIEW
BOTTOM VIEW
A
Dimensions in millimeters
A1
Dimensions in inches
Symbols A A1 b A3 D E D1 D1 e L Min. 0.020 0.000 0.006 0.045 0.096 0.010 0.069 0.008 Nom. 0.022 Max. 0.024
SIDE VIEW
A3
Symbols A A1 b A3 D E
Min. 0.50 0.00 0.15 1.15 2.45 0.25 1.75 0.20
Nom. 0.55
Max. 0.60
-- 0.05 0.20 0.25 0.152 REF 1.20 2.50 1.25 2.55
-- 0.002 0.008 0.010 0.006 REF 0.047 0.098 0.049 0.100
RECOMMENDED LAND PATTERN
1.80 0.15 0.20 0.35
D1 D1 e L
0.30 0.35 1.80 1.85 0.40 BSC 0.24 0.30
0.012 0.014 0.071 0.073 0.016 BSC 0.010 0.012
0.30
1.05
0.40 C0.15x45 0.20
0.20
UNIT: mm
Notes: 1. All dimensions are in millimeters. Converted inch dimensions are not necessarily exact.
Rev. 1.3 January 2009
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Page 5 of 7
AOZ8035
Tape and Dimensions, DFN 2.5 x 1.2
Carrier Tape
P2 P1 K0 B0 Ref 5 T D0 D1 E1 E2 E
P0
A0 Feeding Direction
A-A
UNIT: mm
Package DFN 2.5x1.2
A0 1.45 0.05
B0 2.80 0.05
K0 0.70 0.05
D0
D1
E 8.00 0.03
E1 1.75 0.1
E2 3.50 0.05
P0 4.00 0.10
P1 4.0 0.10
P2 2.0 0.05
T 0.30 0.05
o1.55 o0.80 0.05 0.05
Reel
W1 S K
M G R W
UNIT: mm
N
H
Tape Size Reel Size 8mm o178
M o178.0 1.0
N o60.0 0.5
W 11.80 0.5
W1 9.0 0.5
H o13.0 +0.5 / -0.2
S 2.40 0.1
K 10.25 0.2
E o9.8
Leader / Trailer & Orientation
Trailer Tape 300mm Min.
Components Tape Orientation in Pocket
Leader Tape 500mm Min.
Rev. 1.3 January 2009
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Page 6 of 7
AOZ8035
Package Marking
AOZ835DIL (DFN-12)
A32V
Part Number Code Underscore Denotes Green Product Assembly Location Code Week & Year Code
This data sheet contains preliminary data; supplementary data may be published at a later date. Alpha & Omega Semiconductor reserves the right to make changes at any time without notice. LIFE SUPPORT POLICY ALPHA & OMEGA SEMICONDUCTOR PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. 2. A critical component in any component of a life support, device, or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
Rev. 1.3 January 2009
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Page 7 of 7

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