UESD54B/55B/56B/57B/64B

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UESD54B/55B/56B/57B/64B

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Transcription:

Quad/Five/Six Line ESD Protection Diode Array UESD54B SC70-5/SC88A/SOT353 UESD55B SC89-6/SOT563/SOT666 UESD56B SC89-6/SOT563/SOT666 UESD57B DFN6.6.6 UESD64B SC89-5/SOT553/SOT665 General Description The UESD54B/55B/56B/57B/64B of TVS diode array is designed to protect sensitive electronics from damage or latch-up due to ESD for use in applications where board space is at a premium. It is unidirectional device and may be used on lines where the signal polarities are above ground. The UESD54B/55B/64B will protect up to four lines, the UESD56B will protect up to five lines and the UESD57B will protect up to six lines. TVS diodes are solid-state devices feature large cross-sectional area junctions for conducting high transient currents, specifically for transient suppression. It offers desirable characteristics for board level protection including fast response time, low operating, low clamping voltage, and no device degradation. The UESD54B/55B/56B/57B/64B may be used to meet the immunity requirements of IEC 6000-4-, level 4. The small package makes them ideal for use in portable electronics such as cell phones, PDA s, notebook computers, and digital cameras. Applications Cellular Handsets & Accessories Cordless Phones Personal Digital Assistants (PDA s) Notebooks & Handhelds Portable Instrumentation Digital Cameras Peripherals MP3 Players Features Transient Protection for Data & Power Lines to IEC 6000-4- (ESD) ±5kV (Air), ±8kV (Contact) Working Voltages: 5V Low Leakage Current Low Clamping Voltage Solid-State Silicon Avalanche Technology Ordering Information Part Working Marking Packaging Type Channel Number Voltage Code UESD54B 5.0V SC70-5/SC88A/SOT353 4 UQ5 UESD55B 5.0V SC89-6/SOT563/SOT666 4 UF5 UESD56B 5.0V SC89-6/SOT563/SOT666 5 UB5 UESD57B 5.0V DFN6.6.6 6 E57 UESD64B 5.0V SC89-5/SOT553/SOT665 4 UR6 Shipping Qty 3000pcs/7Inch Tape & Reel http://www.union-ic.com Rev.0 Nov.04 /0

Pin Configurations 5 6 6 5 5 5 3 4 3 4 3 4 3 4 UESD54B SC70-5/SC88A/SOT353 UESD55B SC89-6/SOT563/SOT666 UESD56B SC89-6/SOT563/SOT666 UESD57B DFN66-6L UESD64B SC89-5/SOT553/SOT665 Top View M: Month Code UESD54B SC70-5/SC88A/SOT353 M: Month Code UESD55B SC89-6/SOT563/SOT666 M: Month Code UESD56B SC89-6/SOT563/SOT666 WW: Week Code UESD57B DFN66-6L M: Month Code UESD64B SC89-5/SOT553/SOT665 Absolute Maximum Ratings Rating Symbol Value Units Peak Pulse Power (tp = 8/0μs) P PK 40 Watts Peak Pulse Current (tp = 8/0μs) I PP A Lead Soldering Temperature T L 60(0 sec.) C Operating Temperature T J -55 to +5 C Storage Temperature T STG -55 to +5 C Electrical Characteristics Parameter Symbol Conditions Min Typ Max Unit Reverse Stand-Off Voltage V RWM 5 V Reverse Breakdown Voltage V BR It = ma 6 6.8 7. V Reverse Leakage Current I R V RWM = 5V, T=5 C 0. μa Clamping Voltage V C I PP =5A, t p = 8/0μs 9. I PP =A, t p = 8/0μs 3 Between I/O pins and GND Junction Capacitance C J V R = 0V, f = MHz Between I/O pins and GND Junction Capacitance C J V R =.5V, f = MHz V 40 50 pf 30 40 pf http://www.union-ic.com Rev.0 Nov.04 /0

Forward Voltage - Vf(V) Junction Capacitance(pF) Peak Pulse Power - Ppk(kW) Clamping Voltage - Vc(V) UESD54B/55B/56B/57B/64B Typical Operating Characteristics Non-Repetitive Peak Pulse Power vs. Pulse Time Clamping Voltage vs. Peak Pulse Current 3 0 0. 9 0.0 0.04 0. 0 00 000 Pulse Duration - tp(us) 8 7 6 0 4 6 8 0 Peak Pulse Current - Ipp(A) Waveform parameters: tr=8us td=0us Forward Voltage vs. Forward Current Junction Capacitance vs. Reverse Voltage 6 50 5 45 4 40 3 Waveform parameters: tr=8us td=0us 35 30 4 6 8 0 Forward Current - If(A) 0 3 4 5 Reverse Voltage (V) http://www.union-ic.com Rev.0 Nov.04 3/0

Applications Information UESD54B/55B/56B/57B/64B ESD protection diode is designed to protect quad/five/six data, I/O, or power supply line. The device is unidirectional and may be used on lines where the signal polarity is above ground. The cathode should be placed towards the line that is to be protected. Circuit Board Layout Recommendations for Suppression of ESD Good circuit board layout is critical for the suppression of ESD induced transients. The following guidelines are recommended:. Place the TVS near the input terminals or connectors to restrict transient coupling.. Minimize the path length between the TVS and the protected line. 3. Minimize all conductive loops including power and ground loops. 4. The ESD transient return path to ground should be kept as short as possible. 5. Never run critical signals near board edges. 6. Use ground planes whenever possible. For multilayer printed-circuit boards, use ground vias. 7. Keep parallel signal paths to a minimum. 8. Avoid running protection conductors in parallel with unprotected conductor. 9. Minimize all printed-circuit board conductive loops including power and ground loops. 0. Avoid using shared transient return paths to a common ground point. http://www.union-ic.com Rev.0 Nov.04 4/0

Package Information UESD54B SC70-5/SC88A/SOT353 Outline Drawing b D e 5 4 e Top View Side View 3 E A A A θ L L 0 c End View E DIMENSIONS Symbol MILLIMETERS INCHES Min Max Min Max A 0.900.00 0.035 0.043 A 0.000 0.00 0.000 0.004 A 0.877.000 0.035 0.039 b 0.50 0.350 0.006 0.04 c 0.080 0.0 0.003 0.009 D.800.00 0.07 0.087 E.50.350 0.045 0.053 E.000.450 0.079 0.096 e 0.650REF 0.06REF e.00.400 0.047 0.055 L 0.488REF 0.00REF L 0.60 0.460 0.00 0.08 θ 0 8 0 8 Land Pattern.30 0.80 0.35.94 NOTES:. Compound dimension:.00.5;. Unit: mm; 3. General tolerance ±0.05mm unless otherwise specified; 4. The layout is just for reference. Tape and Reel Orientation UQ5 M http://www.union-ic.com Rev.0 Nov.04 5/0

Outline Drawing UESD55B SC89-6/SOT563/SOT666 DIMENSIONS Symbol MILLIMETERS INCHES Min Max Min Max A 0.55 0.600 0.0 0.04 A 0.000 0.050 0.000 0.00 b 0.50 0.300 0.006 0.0 c 0.090 0.80 0.004 0.007 D.500.700 0.059 0.067 E.00.300 0.043 0.05 E.500.700 0.059 0.067 e 0.450 0.550 0.08 0.0 L 0.00 0.300 0.004 0.0 θ 7 REF 7 REF Land Pattern NOTES:. Compound dimension:.60.0;. Unit: mm; 3.General tolerance ±0.05mm unless otherwise specified; 4. The layout is just for reference. Tape and Reel Orientation http://www.union-ic.com Rev.0 Nov.04 6/0

Outline Drawing UESD56B SC89-6/SOT563/SOT666 DIMENSIONS Symbol MILLIMETERS INCHES Min Max Min Max A 0.55 0.600 0.0 0.04 A 0.000 0.050 0.000 0.00 b 0.50 0.300 0.006 0.0 c 0.090 0.80 0.004 0.007 D.500.700 0.059 0.067 E.00.300 0.043 0.05 E.500.700 0.059 0.067 e 0.450 0.550 0.08 0.0 L 0.00 0.300 0.004 0.0 θ 7 REF 7 REF Land Pattern NOTES:. Compound dimension:.60.0;. Unit: mm; 3.General tolerance ±0.05mm unless otherwise specified; 4. The layout is just for reference. Tape and Reel Orientation http://www.union-ic.com Rev.0 Nov.04 7/0

Outline Drawing UESD57B DFN6.6.6 DIMENSIONS Symbol MILLIMETERS Min Typ Max A 0.545 0.575 0.605 A 0 0.0 0.05 A3-0.3 - b 0.0 0.5 0.30 D.55.60.675 D.0.0.30 E.55.60.675 E 0.30 0.40 0.50 e - 0.50 - L 0.75 0.35 0.375 Land Pattern NOTES:. Compound dimension:.60.60;. Unit: mm; 3. General tolerance ±0.05mm unless otherwise specified; 4. The layout is just for reference. Tape and Reel Orientation http://www.union-ic.com Rev.0 Nov.04 8/0

Outline Drawing UESD64B SC89-5/SOT553/SOT665 DIMENSIONS Symbol MILLIMETERS INCHES Min Max Min Max A 0.55 0.60 0.0 0.04 A 0.000 0.050 0.000 0.00 b 0.50 0.300 0.006 0.0 c 0.090 0.80 0.004 0.007 D.500.700 0.059 0.067 E.00.300 0.043 0.05 E.500.700 0.059 0.067 e 0.450 0.550 0.08 0.0 L 0.00 0.300 0.004 0.0 θ 7 REF 7 REF *: The maximum length is 0.0mm. Land Pattern NOTES:. Compound dimension:.60.0;. Unit: mm; 3. General tolerance±0.05mm unless otherwise specified; 4. The layout is just for reference. Tape and Reel Orientation http://www.union-ic.com Rev.0 Nov.04 9/0

IMPORTANT NOTICE The information in this document has been carefully reviewed and is believed to be accurate. Nonetheless, this document is subject to change without notice. Union assumes no responsibility for any inaccuracies that may be contained in this document, and makes no commitment to update or to keep current the contained information, or to notify a person or organization of any update. Union reserves the right to make changes, at any time, in order to improve reliability, function or design and to attempt to supply the best product possible. Union Semiconductor, Inc Add: Unit 606, No.570 Shengxia Road, Shanghai 00 Tel: 0-5093966 Fax: 0-50608 Website: www.union-ic.com http://www.union-ic.com Rev.0 Nov.04 0/0

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