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TLP521, TLP521-2, TLP521-4
HIGH DENSITY MOUNTING PHOTOTRANSISTOR OPTICALLY COUPLED ISOLATORS
APPROVALS l UL recognised, File No. E91231 DESCRIPTION
TLP521
2.54 7.0 6.0 1 2
Dimensions in mm
4 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 packages. 4.08 4.0 3.0 FEATURES l Options :0.5 10mm lead spread - add G after part no. 3.0 Surface mount - add SM after part no. 3.35 TLP521-2 0.5 Tape&reel - add SMT&R after part no. l High Current Transfer Ratio ( 50% min) 2.54 l High Isolation Voltage (5.3kVRMS ,7.5kVPK ) l High BVCEO ( 55Vmin ) l All electrical parameters 100% tested 7.0 l Custom electrical selections available 6.0 APPLICATIONS l Computer terminals 1.2 l Industrial systems controllers 10.16 l Measuring instruments 9.16 4.0 l Signal transmission between systems of 3.0 different potentials and impedances
0.5 3.0 3.35 0.5
7.62 13 Max 0.26
1 2 3 4 7.62
8 7 6 5
13 Max 0.26 1 2 3 4 5 7.0 6.0 6 7 8 7.62 13 Max 0.26 16 15 14 13 12 11 10 9
TLP521-4
2.54
OPTION SM SURFACE MOUNT
OPTION G 7.62
1.2 20.32 19.32 4.0 3.0 0.5 3.0 0.5 3.35
1.2 0.6 10.2 9.5
1.4 0.9
0.26 10.16
ISOCOM COMPONENTS LTD Unit 25B, Park View Road West, Park View Industrial Estate, Brenda Road Hartlepool, Cleveland, TS25 1YD Tel: (01429) 863609 Fax :(01429) 863581
31/7/97
ISOCOM INC 720 E., Park Boulevard, Suite 104, Plano, TX 75074 USA Tel: (972) 423-5521 Fax: (972) 422-4549
DB92546-AAS/A1
ABSOLUTE 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 Reverse Voltage Power Dissipation 50mA 5V 70mW
OUTPUT TRANSISTOR Collector-emitter Voltage BVCEO Emitter-collector Voltage BVECO Power Dissipation POWER DISSIPATION Total Power Dissipation
(derate linearly 2.67mW/C above 25C)
55V 6V 150mW
200mW
ELECTRICAL CHARACTERISTICS ( TA = 25C Unless otherwise noted ) PARAMETER Input Forward Voltage (VF) Reverse Voltage (VR) Reverse Current (IR) MIN TYP MAX UNITS 1.0 5 1.15 1.3 10 V V A V V nA TEST CONDITION IF = 10mA IR = 10A VR = 5V IC = 0.5mA IE = 100A VCE = 24V 5mA IF , 5V VCE 1mA IF , 0.4V VCE 8mA IF , 2.4mA IC 1mA IF , 0.2mA IC See note 1 See note 1 VIO = 500V (note 1) VCC = 10V , IC = 2mA, RL = 100
Output
Collector-emitter Breakdown (BVCEO) 55 ( Note 2 ) Emitter-collector Breakdown (BVECO) 6 Collector-emitter Dark Current (ICEO) Current Transfer Ratio (CTR) (Note 2) TLP521, TLP521-2, TLP521-4 CTR selection available BL GB GB 50 200 100 30
100
Coupled
600 600 600
% % % % V V VRMS VPK s s s s
Collector-emitter Saturation VoltageVCE (SAT) -GB Input to Output Isolation Voltage VISO 5300 7500 Input-output Isolation Resistance RISO 5x1010 Rise Time tr 2 Fall Time tf 3 Turn-on Time ton 3 Turn-off Time toff 3
0.4 0.4
Note 1 Note 2
Measured with input leads shorted together and output leads shorted together. Special Selections are available on request. Please consult the factory.
31/7/97
DB92546-AAS/A1
Collector Power Dissipation vs. Ambient Temperature 200 Collector power dissipation PC (mW) 25 Collector current IC (mA) 150 20 15 10 5 0 -30 0 25 50 75 100 125 0
Collector Current vs. Low Collector-emitter Voltage TA = 25C 50 40 30 20 10 5 IF = 2mA
100
50
0 Ambient temperature TA ( C ) Forward Current vs. Ambient Temperature 60
0.2
0.4
0.6
0.8
1.0
Collector-emitter voltage VCE ( V ) Collector Current vs. Collector-emitter Voltage 50 50 30 Collector current IC (mA) 40 30 20 10 0 20 15 10 T A = 25C
50 Forward current IF (mA) 40 30 20 10 0 -30 0 25 50 75 100 125 Ambient temperature TA ( C ) Collector-emitter Saturation Voltage vs. Ambient Temperature 0.28 IF = 5mA IC = 1mA Current transfer ratio CTR (%) 0.24 0.20 0.16 0.12 0.08 0.04 0 -30 0 25 50 75 100 Ambient temperature TA ( C )
31/7/97
IF = 5mA
0
2
4
6
8
10
Collector-emitter voltage VCE ( V ) Current Transfer Ratio vs. Forward Current 320 280 240 200 160 120 80 40 0 1 2 5 10 20 50 Forward current IF (mA)
DB92546-AAS/A1
Collector-emitter saturation voltage VCE(SAT) (V)
VCE = 5V TA = 25C

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