LESHAN RADIO COMPANY, LTD. Low Capacitance Quad Array for ESD Protection LESDA6V8AV5T1G This integrated transient voltage suppressor device (TVS) is designed for applications requiring transient overvoltage protection. It is intended for use in sensitive equipment such as computers, printers, business machines, communication systems, medical equipment, and other applications. Its integrated design provides very effective and reliable protection for four separate lines using only one package. These devices are ideal for situations where board space is at a premium. SOT-553 Features • ESD Protection: IEC61000−4−2: Level 4 • • • • • • • MILSTD 883C − Method 3015−6: Class 3 Four Separate Unidirectional Configurations for Protection Low Leakage Current < 1 mA @ 3 Volts Power Dissipation: 380 mW Small SOT−553 SMT Package Low Capacitance Complies to USB 1.1 Low Speed & High Speed Specifications We declare that material of product compliance with ROHS requirements. 1 5 2 3 4 Benefits • • • • Provides Protection for ESD Industry Standards: IEC 61000, HBM Protects Four Lines Against Transient Voltage Conditions Minimize Power Consumption of the System Minimize PCB Board Space Ordering Information Device LESDA6V8AV5T1G Package Shipping SOT- 553 3000/Tape&Reel Typical Applications • • • • • Instrumentation Equipment Serial and Parallel Ports Microprocessor Based Equipment Notebooks, Desktops, Servers Cellular and Portable Equipment 1/4 LESHAN RADIO COMPANY, LTD. LESDA6V8AV5T1G ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted) Symbol Parameter IPP Maximum Reverse Peak Pulse Current VC Clamping Voltage @ IPP VRWM IR VBR IT QVBR I IF Working Peak Reverse Voltage Maximum Reverse Leakage Current @ VRWM Breakdown Voltage @ IT Test Current VC VBR VRWM IF Forward Current VF Forward Voltage @ IF ZZT Maximum Zener Impedance @ IZT IZK Reverse Current ZZK Maximum Zener Impedance @ IZK V IR VF IT Maximum Temperature Coefficient of VBR IPP Uni−Directional MAXIMUM RATINGS (TA = 25°C unless otherwise noted) Characteristic Symbol Value Unit Peak Power Dissipation (8 X 20 ms @ TA = 25°C) (Note 1) PPK 20 W Steady State Power − 1 Diode (Note 2) PD 380 mW Thermal Resistance, Junction−to−Ambient Above 25°C, Derate RqJA 327 3.05 °C/W mW/°C Maximum Junction Temperature TJmax 150 °C Operating Junction and Storage Temperature Range TJ Tstg −55 to +150 °C TL 260 °C Lead Solder Temperature (10 seconds duration) 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. ELECTRICAL CHARACTERISTICS (TA = 25°C) Device LESDA6V8AV5T1G Typ Capacitance @ 0 V Bias (pF) (Note 3) Typ Capacitance @ 3 V Bias (pF) (Note 3) Breakdown Voltage VBR @ 1 mA (Volts) Leakage Current IRM @ VRM Min Nom Max VRWM IRWM (mA) VC (V) IPP (A) Typ Max Typ Max 6.47 6.8 7.14 4.3 1.0 13 1.6 12 15 6.7 9.5 VC Max @ IPP 1. Non−repetitive current per Figure 1. 2. Only 1 diode under power. For all 4 diodes under power, PD will be 25%. Mounted on FR−4 board with min pad. 3. Capacitance of one diode at f = 1 MHz, VR = 0 V, TA = 25°C 2/4 LESHAN RADIO COMPANY, LTD. LESDA6V8AV5T1G TYPICAL ELECTRICAL CHARACTERISTICS 110 % OF RATED POWER OR IPP Ppk, PEAK SURGE POWER (W) 100 10 1 1 10 100 100 90 80 70 60 50 40 30 20 10 0 1000 50 75 100 Figure 2. Power Derating Curve 150 14 0.14 0.12 0.10 0.08 0.06 0.04 0.02 12 TA = 25°C 10 8 6 4 2 0 0 −60 −40 0 20 40 60 80 100 2 3 4 Figure 3. Reverse Leakage versus Temperature Figure 4. Capacitance 70 60 HALF VALUE IRSM/2 @ 20 ms 50 5 6 1 PULSE WIDTH (tP) IS DEFINED AS THAT POINT WHERE THE PEAK CURRENT DECAY = 8 ms 40 tP 20 1 BIAS VOLTAGE (V) 80 30 0 T, TEMPERATURE (°C) PEAK VALUE IRSM @ 8 ms tr 90 −20 IF, FORWARD CURRENT (A) 100 0.1 0.01 10 0 125 Figure 1. Pulse Width TYPICAL CAPACITANCE (pF) 1 MHz FREQUENCY IR, REVERSE LEAKAGE (mA) 25 TA, AMBIENT TEMPERATURE (°C) 0.16 % OF PEAK PULSE CURRENT 0 t, TIME (ms) TA = 25°C 0.001 0 20 40 60 80 0.6 0.8 1.0 1.2 1.4 t, TIME (ms) VF, FORWARD VOLTAGE (V) Figure 5. 8 × 20 s Pulse Waveform Figure 6. Forward Voltage 1.6 1.8 3/4 LESHAN RADIO COMPANY, LTD. LESDA6V8AV5T1G PACKAGE DIMENSIONS SOT−553, 5 LEAD D −X− 5 A L 4 1 2 E −Y− 3 b e HE MILLIMETERS NOM MAX 0.55 0.60 0.22 0.27 0.13 0.18 1.60 1.70 1.20 1.30 0.50 BSC 0.10 0.20 0.30 1.50 1.60 1.70 MIN 0.50 0.17 0.08 1.50 1.10 c 5 PL 0.08 (0.003) DIM A b c D E e L HE M INCHES NOM 0.022 0.009 0.005 0.063 0.047 0.020 BSC 0.004 0.008 0.059 0.063 MIN 0.020 0.007 0.003 0.059 0.043 MAX 0.024 0.011 0.007 0.067 0.051 0.012 0.067 STYLE 2: PIN 1. CATHODE 2. COMMON ANODE 3. CATHODE 2 4. CATHODE 3 5. CATHODE 4 X Y SOLDERING FOOTPRINT* 0.3 0.0118 0.45 0.0177 1.35 0.0531 1.0 0.0394 0.5 0.5 0.0197 0.0197 SCALE 20:1 mm Ǔ ǒinches 4/4