TLP521, TLP521-2, TLP521-4 HIGH DENSITY MOUNTING PHOTOTRANSISTOR OPTICALLY COUPLED ISOLATORS APPROVALS Dimensions in mm 2.54 TLP521 l UL recognised, File No. E91231 DESCRIPTION 1 4 7.0 6.0 2 3 The TLP521 , TLP521-2 , TLP521-4 series of optically coupled isolators consist of infrared 1.2 light emitting diodes and NPN silicon photo transistors in space efficient dual in line plastic 5.08 7.62 packages. 4.08 4.0 3.0 FEATURES 13 l Options :- 0.5 Max 10mm lead spread - add G after part no. 3.0 0.26 Surface mount - add SM after part no. 3.35 TLP521-2 Tape&reel - add SMT&R after part no. 0.5 l High Current Transfer Ratio ( 50% min) 2.54 l High Isolation Voltage (5.3kV ,7.5kV ) RMS PK 18 l High BV ( 55Vmin ) CEO 2 7 l All electrical parameters 100% tested 7.0 3 6 l Custom electrical selections available 6.0 APPLICATIONS 4 5 l Computer terminals 1.2 l Industrial systems controllers 10.16 7.62 l Measuring instruments 9.16 4.0 l Signal transmission between systems of 3.0 different potentials and impedances 13 0.5 Max 3.0 0.26 3.35 0.5 1 16 TLP521-4 2 15 14 3 413 2.54 512 7.0611 6.0 7 10 OPTION SM OPTION G SURFACE MOUNT 7.62 8 9 1.2 20.32 7.62 19.32 4.0 3.0 1.2 1.4 13 0.6 0.5 0.9 0.26 Max 10.2 10.16 9.5 0.26 3.35 3.0 0.5 ISOCOM INC ISOCOM COMPONENTS LTD 720 E., Park Boulevard, Suite 104, Unit 25B, Park View Road West, Plano, TX 75074 USA Park View Industrial Estate, Brenda Road Tel: (972) 423-5521 Hartlepool, Cleveland, TS25 1YD Fax: (972) 422-4549 Tel: (01429) 863609 Fax :(01429) 863581 31/7/97 DB92546-AAS/A1ABSOLUTE MAXIMUM RATINGS (25C unless otherwise specified) Storage Temperature -55C to + 125C Operating Temperature -55C to + 100C Lead Soldering Temperature (1/16 inch (1.6mm) from case for 10 secs) 260C INPUT DIODE Forward Current 50mA Reverse Voltage 5V Power Dissipation 70mW OUTPUT TRANSISTOR Collector-emitter Voltage BV 55V CEO Emitter-collector Voltage BV 6V ECO Power Dissipation 150mW POWER DISSIPATION Total Power Dissipation 200mW (derate linearly 2.67mW/C above 25C) ELECTRICAL CHARACTERISTICS ( T = 25C Unless otherwise noted ) A PARAMETER MIN TYP MAX UNITS TEST CONDITION Input Forward Voltage (V ) 1.0 1.15 1.3 V I = 10mA F F Reverse Voltage (V ) 5 V I = 10A R R Reverse Current (I)10AV = 5V R R Output Collector-emitter Breakdown (BV )55 V I = 0.5mA CEO C ( Note 2 ) Emitter-collector Breakdown (BV ) 6 V I = 100A ECO E Collector-emitter Dark Current (I ) 100 nA V = 24V CEO CE Coupled Current Transfer Ratio (CTR) (Note 2) TLP521, TLP521-2, TLP521-4 50 600 % 5mA I , 5V V F CE CTR selection available BL 200 600 % GB 100 600 % GB 30 % 1mA I , 0.4V V F CE Collector-emitter Saturation VoltageV 0.4 V 8mA I , 2.4mA I CE (SAT) F C -GB 0.4 V 1mA I , 0.2mA I F C Input to Output Isolation Voltage V 5300 V See note 1 ISO RMS 7500 V See note 1 PK 10 Input-output Isolation Resistance R 5x10 V = 500V (note 1) ISO IO Rise Time tr 2 sV = 10V , CC Fall Time tf 3 sI = 2mA, R = 100 C L Turn-on Time ton 3 s Turn-off Time toff 3 s Note 1 Measured with input leads shorted together and output leads shorted together. Note 2 Special Selections are available on request. Please consult the factory. 31/7/97 DB92546-AAS/A1