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| PJ4L40 QUAD SCHOTTKY DATA LINE BUS TERMINATOR This highly integrated device is designed as rail to rail overvoltage protection clamp for up to four high frequency data lines. It is ideal in portable applications where small form factors are required. SOT-363 40 4 FEATURES Low Forward Voltage Drop for Improved Voltage Protection Very Fast Switching Ultra Small SOT-363 Package Utilizing Minimal Board Space Lead Free Plating, 100% Matte Tin Finish, RoHS Compliant APPLICATIONS PDAs Portable Computers MAXIMUM RATINGS TA = 25C, unless otherwise noted Rating Marking Code Reverse Voltage Continuous Forward Current Non-Repetitive Surge Current, t=1s Power Dissipation (Note 1) Operating Junction Temperature Range Storage Temperature Range VR IF I FSM PD TJ TSTG Symbol Value 440 30 200 600 200 -55 to +125 -65 to +125 V mA mA mW C C Units Note 1: Device mounted on FR-4 board 1.0 inch x 0.85 inch x 0.062 inch, with minimum pad layout THERMAL CHARACTERISTICS Characteristic Thermal Resistance, Junction to Ambient Symbol R thja Value 625 Units C/W 4/1/2008 Page 1 www.panjit.com PJ4L40 ELECTRICAL CHARACTERISTICS (Each Diode) Characteristic Reverse Breakdown Voltage (Note 2) IR = 100uA IF = 0.1mA IF = 1.0mA Forward Voltage (Note 2) IF = 10mA IF = 30mA IF = 100mA Reverse Leakage Current (Note 2) Total Capacitance VR = 0V, f = 1.0 MHz Reverse Recovery Time VR = 25V Data Line to Ground Between Data Lines IF = IR = 10mA Irr = 1.0mA, RL = 100 Ohm IR CT t rr VF Symbol V BR 30 - TJ = 25C, unless otherwise noted Min Typ 0.225 0.280 0.350 0.390 0.460 19 12 Max 0.280 0.350 0.450 0.550 1.0 2.0 5.0 uA pF ns V Units V Note 2: Short duration test pulse to minimize self heating ELECTRICAL CHARACTERISTIC CURVES (Each Diode) 100 TA =125 C 10 10 TA=75 C IR, Reverse Current (uA) IF, Forward Current (mA) 1 TA =75 C 1 TA = - 25 C 0.1 TA=25 C 0.01 TA= - 25 C 0.001 TA =25 C 0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 V F, Forw ard Voltage (V) 0 5 10 15 20 25 30 V R, Reverse Voltage (V) Fig. 1. Typical Forward Voltage Fig. 2. Typical Reverse Current 4/1/2008 Page 2 www.panjit.com PJ4L40 PACKAGE LAYOUT AND SUGGESTED PAD DIMENSIONS ORDERING INFORMATION PJ4L40 T/R7 - 7 inch reel, 3K units per reel PJ4L40 T/R13 - 13 inch reel, 10K units per reel Copyright PanJit International, Inc 2008 The inform ation presented in this docum ent is believed to be accurate and reliable. The specifications and inform ation herein are subject to change without notice. Pan Jit m akes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose. Pan Jit products are not authorized for use in life support devices or system s. Pan Jit does not convey any license under its patent rights or rights of others. Note : 1.To protect data lines and the power line, connect pins 2 and 3 directly to the positive supply rail (V CC).In this configuration the data lines are referenced to the supply voltage. An external TVS diode may be added between the supply rail and ground in order to prevent over-voltage on the supply rail. 2.In applications where no positive supply reference is available, or complete supply isolation is desired, an external TVS diode may be used as the reference.The steering diodes will begin to conduct when the voltage on the protected line exceeds the working voltage of the TVS (plus one diode drop). 4/1/2008 Page 3 www.panjit.com |
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