ISOCOM ISQ204-77 Datasheet
ISOCOM COMPONENTS LTD
Unit 25B, Park Road West,
Park View Industrial Estate, Brenda Road
Hartlepool, Cleveland, TS25 1YD
Tel: (01429) 863609 Fax :(01429) 863581
ISOCOM INC
720 E., Park Boulevard, Suite 104,
Plano, TX 75074 USA
Tel: (214) 423-5521
Fax: (214) 422-4549
SCHEMATIC PACKAGE DIMENSIONS INCHES (MM)
OPTICALL Y COUPLED ISOLA T OR
TRANSISTOR OUTPUT
DA92946-AAS/01
DESCRIPTION
The ISQ204-77 are optically coupled isolators
consisting of Gallium Arsenide infrared emitting
diodes and NPN silicon phototransistors mounted in a
standard 16-pin dual-in-line package with four
channels per unit.
ABSOLUTE MAXIMUM RATINGS
(25 °C unless otherwise noted)
OUTPUT TRANSISTOR
Collector Emitter Voltage BV
CEO
30V
Emitter Collector Voltage BV
ECO
7V
Power Dissipation 150mW
(derate linearly 2.00mW/°C above 25°C)
P ACKAGE
Total Power Dissipation 500mW
(derate linearly 6.67mW/°C above 25°C)
Storage Temperature _________ -55°C to +1250C
Operating Temperature _______ -55°C to +100
0
C
Lead Soldering Temperature
(2mm from case for 10 secs) ___ 260
0
C
Input to Output Isolation Voltage 5000Vrms
INPUT DIODE
Forward D.C.Current 50mA
Reverse D.C.Voltage __________ 3V
Peak Forward Current
(pw ≤100µs, duty ratio 0.001) __ 1A
Power Dissipation
(derate linearly 1.33W/°C above 25°C) 100mW
116
611
215
314
413
512
710
89
ISQ204-77
9/6/97
7.0
6.0
2.54
1.2
20.32
19.32
0.5
3.0
3.35
7.62
0.5
4.0
3.0
13
0
max
0.26
Max.
Units
IF = 20 mA
I
F
= 1mA
V
R
= 3V
Test Condition
Parameter
Forward Voltage (VF)
Forward Voltage (VF)
Reverse Current (IR)
1.2
1.0
1.5
1.2
10
Volt
Volt
µA
Output
Input
ELECTRICAL CHARACTERISTICS (250C unless otherwise noted)
Collector-emitter Voltage (BV
CEO
)
Emitter-collector Voltage (BV
ECO
)
Collector-emitter Dark Current (I
CEO
)
DC Current Transfer Ratio (CTR)
Collector-emitter Saturation Voltage V
CE
(Sat)
Floating Capacitance (CF)
Input-to-Output Isolation Resistance Riso
Input to Output Isolation Voltage
Output Rise Time (tr)
Output Turn - on Time (ton)
Output Fall Time (tf)
Output Turn - off Time (t
off
)
30
7
50
9
80
10
12
5000
0.2
0.6
2.0
3.0
2.0
2.5
50
Volt
Volt
nA
I
C
= 1mA
I
E
= 0.1 mA
V
CE
= 10 V
I
F
= 1mA, VCE = 10V
IF = 10 mA, IC = 2 mA
V = 0 f = 1 MHz
V
IO
= 500V (see note 1)
(note 1)
I
F
= 10mA, VCC = 5V
R
L
= 75R,
Fig 1
Min.
Typ
Coupled
DA92496-AAS/01
0.4
10
Note 1. Measured with input leads shorted together and output leads shorted together.
9/6/97
Output
Output
R
L
- 75R
Input
10%
90%
90%
10%
t
on
t
f
FIG 1
VCC = 5V
t
off
t
r
%
Volt
pF
ohm
Vrms
µS
µS
µS
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