Datasheet CNX72A Datasheet (ISOCM)

7/12/00

CNX72AX
CNX72A

OPTICALLY COUPLED

ISOLATOR

PHOTOTRANSISTOR OUTPUT

APPROVALS

l UL recognised, File No. E91231

'X' SPECIFICATION APPROVALS

ll VDE 0884 in 3 available lead forms : -

- STD

- G form

- SMD approved to CECC 00802

l Certified to EN60950 by the following

Test Bodies :­Nemko - Certificate No. P96101299

Fimko - Registration No. 190469-01..22
Semko - Reference No. 9620076 01
Demko - Reference No. 305567

DESCRIPTION

The CNX72A of optically coupled isolator
consists of an infrared light emitting diode and
a NPN silicon photo transistor in a standard 6
pin dual in line plastic package.

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 (40% min)

l Low Saturation Voltage suitable for TTL

integrated circuits

l High Isolation Voltage (5.3kV

RMS

,7.5kV

PK

Dimensions in mm

1
2 5

3 4

0.5

0.26

1.2

3.0

0.5

7.62

6.62

2.54

7.0

6.0

4.0

3.0

3.35

ABSOLUTE MAXIMUM RATINGS
(25°C unless otherwise specified)

Storage Temperature -55°C to + 150°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

Forward Current 60mA
Reverse Voltage 6V

)

Power Dissipation 105mW

6

7.62

13°
Max

APPLICATIONS

l DC motor controllers

l Industrial systems controllers

l Signal transmission between systems of

different potentials and impedances

OPTION SM

SURFACE MOUNT

0.6

0.1

10.46

9.86

1.25

0.75

OPTION G

7.62

0.26

10.16

ISOCOM COMPONENTS LTD

Unit 25B, Park View Road West,

Park View Industrial Estate, Brenda Road

Hartlepool, Cleveland, TS25 1YD

Tel: [phone] Fax :[phone]

OUTPUT TRANSISTOR

Collector-emitter Voltage BV
Collector-base Voltage BV
Emitter-collector Voltage BV
Power Dissipation 160mW

CEO

CBO

ECO

30V
70V
6V

POWER DISSIPATION

Total Power Dissipation 200mW
(derate linearly 2.67mW/°C above 25°C)

ISOCOM INC

1024 S. Greenville Ave, Suite 240,

Allen, TX 75002 USA

Tel: [phone] Fax: [phone]

e-mail [e-mail]

http://www.isocom.com

DB92235m-AAS/A1

7/12/00

ELECTRICAL CHARACTERISTICS ( TA= 25°C Unless otherwise noted )

PARAMETER MIN TYP MAX UNITS TEST CONDITION

Input Forward Voltage (VF) 1.2 1.5 V IF = 10mA

Reverse Voltage (VR) 6 V IR = 10µA
Reverse Current (IR) 10 µA VR = 6V

Output Collector-emitter Breakdown (BV

( Note 2 )
Collector-base Breakdown (BV
Emitter-collector Breakdown (BV
Collector-emitter Dark Current (I

) 30 V IC = 1mA

CEO

) 70 V IC = 100µA

CBO

) 6 V IE = 100µA

ECO

) 50 nA VCE = 10V

CEO

Coupled Current Transfer Ratio (IC / IF )

(Note 2) 0.4 1.6 10mA IF , 0.4V V

Collector-emitter Saturation VoltageVCE

Input to Output Isolation Voltage V

Input-output Isolation Resistance R

Turn-on Time t

Turn-off Time t

on

off

(SAT)

5300 V

ISO

7500 V

10

5x10

ISO

0.4 V 10mA I

RMS
PK

Ω V

26 µs VCC = 5V , IC = 2mA ,
25 µs VCC = 5V , IC = 2mA ,

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.

CE

, 4mA I

F

C

See note 1
See note 1

= 500V (note 1)

IO

RL= 1kΩ,RΒΕ= 56kΩ

RL= 1kΩ,RΒΕ= 56kΩ

DB92235m-AAS/A1

7/12/00

Collector Power Dissipation vs. Ambient Temperature

Collector Current vs. Collector-emitter Voltage

200

(mW)

C

150

100

50

Collector power dissipation P

0

-30 0 25 50 75 100 125
Ambient temperature TA ( °C )

Forward Current vs. Ambient Temperature

80
70

60

(mA)

F

50
40

30
20

Forward current I

10

0

-30 0 25 50 75 100 125

Ambient temperature TA ( °C )

50

40

(mA)

C

30

50

30

20

20

Collector current I

10

0

0 2 4 6 8 10

Collector-emitter voltage VCE ( V )

Collector-emitter Saturation

Voltage vs. Ambient Temperature

(V)

0.28

CE(SAT)

0.24

0.20

IF = 10mA
IC = 4mA

0.16

0.12

0.08

0.04
0

Collector-emitter saturation voltage V

-30 0 25 50 75 100
Ambient temperature TA ( °C )

TA = 25°C

15

10

IF = 5mA

Relative Current Transfer Ratio

vs. Ambient Temperature

1.5
IF = 10mA

VCE = 0.4V

1.0

0.5

Relative current transfer ratio

0

-30 0 25 50 75 100
Ambient temperature TA ( °C )

Relative Current Transfer Ratio

vs. Forward Current

2.8

2.4

2.0

1.6

1.2

0.8

Relative current transfer ratio

0.4

VCE = 0.4V
TA = 25°C

0

1 2 5 10 20 50

Forward current IF (mA)

DB92235m-AAS/A1