305969 DESCRIPTION The ISP521-1 , ISP521-2 , ISP521-4 series of optically coupled isolators consist of infrared light emitting diodes and NPN silicon photo transistors in space efficient
Trang 1ISOCOM COMPONENTS LTD
Unit 25B, Park View Road West,
Park View Industrial Estate, Brenda Road
Hartlepool, Cleveland, TS25 1YD
Tel: (01429) 863609 Fax :(01429) 863581
7/12/00
0.26
20.32
3.0 0.5
7.62
13° Max
7.0 6.0 2.54
1.2
0.5 3.0
1.2
3.0
4.0 3.0
3.35
7.0 6.0
0.5
0.5
7.62
1 2
4 3
0.26
13°
Max 2.54
10.16 0.26 7.62
3.0
10.16
3.0
3.35 0.5
7.0 6.0
7.62
2 3 4
7 6 5 1.2
13° Max 0.5
0.26 2.54
Dimensions in mm
HIGH DENSITY MOUNTING
PHOTOTRANSISTOR
OPTICALLY COUPLED ISOLATORS
APPROVALS
l UL recognised, File No E91231
'X' SPECIFICATION APPROVALS
l VDE 0884 in 3 available lead form :
STD
- G form
- SMD approved to CECC 00802
l Certified to EN60950 by the following
Test Bodies
:-Nemko - Certificate No P96102022
Fimko - Registration No 192313-01 25
Semko - Reference No 9639052 01
Demko - Reference No 305969
DESCRIPTION
The ISP521-1 , ISP521-2 , ISP521-4 series of
optically coupled isolators consist of infrared
light emitting diodes and NPN silicon photo
transistors in space efficient dual in line plastic
packages
FEATURES
l Options
:-10mm lead spread - add G after part no
Surface mount - add SM after part no
Tape&reel - add SMT&R after part no
l High Current Transfer Ratio ( 50% min)
l High Isolation Voltage (5.3kV
RMS ,7.5kV
PK )
l High BVCEO ( 55Vmin )
l All electrical parameters 100% tested
l Custom electrical selections available
APPLICATIONS
l Computer terminals
l Industrial systems controllers
l Measuring instruments
l Signal transmission between systems of
different potentials and impedances
OPTION SM
3.35
5.08 4.08
ISP521-1X ISP521-1
ISP521-2X ISP521-2
ISP521-4X ISP521-4
ISP521-1X, ISP521-2X, ISP521-4X
ISP521-1, ISP521-2, ISP521-4
1 2 3
7 8
16 15
10 9
14
DB92252m-AAS/A2
10.46
9.86
0.6
0.75
ISOCOM INC
1024 S Greenville Ave, Suite 240,
Allen, TX 75002 USA Tel: (214) 495-0755 Fax: (214) 495-0901 e-mail info@isocom.com http://www.isocom.com
Trang 2Input Forward Voltage (VF) 1.0 1.15 1.3 V IF = 10mA
Output Collector-emitter Breakdown (BVCEO) 55 V IC = 0.5mA
( Note 2 ) Emitter-collector Breakdown (BVECO) 6 V IE = 100µA Collector-emitter Dark Current (ICEO) 100 nA VCE = 24V
Coupled Current Transfer Ratio (CTR) (Note 2)
ISP521-1, ISP521-2, ISP521-4 50 600 % 5mA IF , 5V VCE CTR selection available BL 200 600 %
Collector-emitter Saturation VoltageVCE(SAT) 0.4 V 8mA IF , 2.4mA IC
Input to Output Isolation Voltage VISO 5300 VRMS See note 1
7500 VPK See note 1 Input-output Isolation Resistance RISO 5x1010 Ω VIO = 500V (note 1)
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
ELECTRICAL CHARACTERISTICS ( T
A = 25°C Unless otherwise noted )
ABSOLUTE MAXIMUM RATINGS (25°C unless otherwise specified)
Storage Temperature -55°C to + 125°C Operating Temperature -55°C to + 100°C Lead Soldering Temperature
(1/16 inch (1.6mm) from case for 10 secs) 260°C
INPUT DIODE
OUTPUT TRANSISTOR
Collector-emitter Voltage BVCEO 55V Emitter-collector Voltage BVECO 6V
POWER DISSIPATION
Total Power Dissipation 200mW
(derate linearly 2.67mW/°C above 25°C)
Trang 350
-30 0 25 50 75 100 125
Ambient temperature T
A ( °C )
150
0
200
Ambient temperature TA ( °C )
60
30
20
10
0
40
50
-30 0 25 50 75 100 125
Collector Power Dissipation vs Ambient Temperature
Forward Current vs Ambient Temperature
-30 0 25 50 75 100
Ambient temperature TA ( °C )
Collector-emitter voltage VCE ( V )
Collector-emitter Saturation Voltage vs Ambient Temperature
100
TA = 25°C
0 5 10 15 20 25
0
0.04
0.08
0.12
0.16
0.20
0.24
0.28
IF = 5mA
IC = 1mA
Collector Current vs Low Collector-emitter Voltage
5 10 20 30 40 50
0 0.2 0.4 0.6 0.8 1.0
IF = 2mA
Collector Current vs Collector-emitter Voltage
Collector-emitter voltage VCE ( V )
Current Transfer Ratio vs Forward Current
Forward current I
F (mA)
1 2 5 10 20 50 0
80 120 160 200 240
0 2 4 6 8 10 0
10 20 30 40 50
40
50 30 20
10 15
TA = 25°C
280 320
IF = 5mA
VCE = 5V
TA = 25°C