KINGBRIGHT KB8441

PHOTOCOUPLER
KB8441
GENERAL PURPOSE
HIGH ISOLATION VOLTAGE
HIGH SENSITIVITY
PHOTOCOUPLER SERIES
FEATURES
1. AC Input.
2. High current transfer ratio.(CTR:Min 600%,at IF =±1mA ,VCE =2V)
3. High isolation voltage between input and output (Viso=5000 Vrms)
4. Compact dual-in-line package
KB8441: 4-channel type
5. Recognized by UL and CUL, file NO. E225308
6.RoHS Compliant.
DESCRIPTION
1.The KB8441 (4-channel) is optically coupled isolators containing two
GaAs light emitting diode and a darlington silicon phototransistor.
2.The lead pitch is 2.54mm
APPLICATIONS
1.Computer terminals
2.Registers, copiers, automatic vending machines
3.System appliances, measuring instruments
4.Programmable logic controller
5.Signal transmission between circuits of different potentials and impedances
SPEC NO: DSAD1540
REV NO: V.7
DATE: NOV/15/2005
PAGE: 1 OF 9
APPROVED: J. Lu
CHECKED: Tracy Deng
DRAWN: W.J.ZHU
ERP:1205000024
PHOTOCOUPLER
KB8441
* PACKAGE DIMENSIONS (UNIT: mm)
DIP Type
Top View
2.54 [0.1] 0.25
connection
InternalInternal
connection
diagramdiagram
TOLERANCE : ±0.5[±0.02 ] UNLESS OTHERWISE NOTED.
SPEC NO: DSAD1540
REV NO: V.7
DATE: NOV/15/2005
PAGE: 2 OF 9
APPROVED: J. Lu
CHECKED: Tracy Deng
DRAWN: W.J.ZHU
ERP:1205000024
PHOTOCOUPLER
KB8441
Absolute Maximum Ratings (Ta=25°C)
Symbol
Rating
Unit
Forward current
I
±50
mA
Power dissipation
P
70
mW
V
Parameter
F
Input
Output
Collector-emitter voltage
V CEO
35
Emitter-collector voltage
V ECO
6
V
IC
80
mA
Collector current
Collector power dissipation
PC
150
mW
Total power dissipation
Ptot
200
mW
Isolation voltage
Viso
5000
Vrms
Operating temperature
Topr
-30~+100
°C
Storage temperature
Tstg
-55~+125
°C
Tsol
260
°C
Soldering temperature
40 to 60%RH, AC for 1 minute
For 10 seconds
* Electro-optical Characteristics (Ta=25°C)
Parameter
Symbol
Forward voltage
Conditions
VF
IF=±20mA
VFM
IFM=± 0.5A
Min.
Typ.
Max. Unit
1.2
1.4
V
3.0
V
Input
Peak forward voltage
Output
Collector dark current
*1
Transfer
characteristics
Current transfer ratio
Collector-emitter saturation voltage
Cut-off frequency
ICEO
IF=±1mA, V CE=2V
VCE(sat)
IF=± 20mA, IC=5mA
600
VCE=5V, IC=2mA
fc
RL=100Ω, -3dB
Rise time
tr
Fall time
tf
VCE=2V, IC=10 mA
RL=100
Response time
10
VCE =10V,IF=0mA
CTR
0.8
-6
A
7500
%
1
V
kHz
6
60
300
μ
53
250
μ
Ic
CTR= I F X 100%
SPEC NO: DSAD1540
REV NO: V.7
DATE: NOV/15/2005
PAGE: 3 OF 9
APPROVED: J. Lu
CHECKED: Tracy Deng
DRAWN: W.J.ZHU
ERP:1205000024
PHOTOCOUPLER
KB8441
Fig. 1 Current Transfor Ratio vs.
Forward Current
500
VCE=2V
Ta=25°C
2000
Forward current I F (mA)
Current transfer ratio CTR( %)
2400
Fig. 2 Forward Current vs.
Forward voltage
1600
1200
800
400
200
Ta=75°C
100
50°C
25°C
0°C
50
-25°C
20
10
5
2
1
0
0.1 0.2 0.5
1
2
3 4 5
6 7
10
0
Forward current IF (mA)
Fig. 3 Collector Current vs.
Collector-emitter Voltage
Fig. 4 Relative Current Transfer Ratio
vs. Ambient Temperature
150
Ta=25 °C
Collector current I C (mA)
80
I F =10mA
Pc(MAX)
60
5mA
40
2mA
20
1mA
0
0
1
2
4
3
5
Relatiovecurrent transfer ration( %)
100
50
0
-25
0.6
0.5
0.4
0.3
0.2
0.1
0
75
100
Collector dark current I CEO (A)
0.7
50
75
100
VCE=10V
0.8
25
50
10 -4
IF =20mA
IC =5mA
0
25
Fig. 6 Collector Dark Current vs.
Ambient Temperature
1.0
-25
0
Ambient temperature Ta(°C)
Fig. 5 Collector-emitter Saturation
Voltage vs. Ambient Temperature
0.9
IF=1mA
VCE =2V
100
Collector-emitter voltage VCE(V)
Collector-emitter saturation
voltage VCE (sat) (V)
0.5 1.0 1.5 2.0 2.5 3.0 3.5
Forward voltage VF(V)
10
-5
10 -6
10 -7
10 -8
10 -9
10 -10
-25
Ambient temperature Ta(°C)
0
25
50
75
100
Ambient temperature Ta (°C)
SPEC NO: DSAD1540
REV NO: V.7
DATE: NOV/15/2005
PAGE: 4 OF 9
APPROVED: J. Lu
CHECKED: Tracy Deng
DRAWN: W.J.ZHU
ERP:1205000024
PHOTOCOUPLER
KB8441
Fig. 7 Forward Current vs.
Ambient Temperature
Fig. 8 Collector Power Dissipation vs.
Ambient Temperature
60
200
Collector power dissipation Pc(mW)
Forward current IF(mA)
50
40
30
20
10
0
-25
0
25
50
75
100
125
Ambient temperature Ta(°C)
Fig. 9 Response Time vs.
Load Resistance
150
100
50
0
-25
0
25
50
75
100
125
Ambient temperature Ta(°C)
Test Circuit for Response Time
Response time (μ
500
VCE=2V
200 IC=10mA
Ta=25°C
100
tr
tf
Vcc
Input
50
Input
td
10
RD
RL
Output
Output
10%
td
5
90%
td
tr
1
0.05 0.1
0.2
0.5
1
2
ts
tf
Load resistance RL (KΩ
Test Circuit for Frequency Response
Fig. 10 Frequency Response
VCE=2V
IC=2mA
Ta=25°C
Vcc
RD
100Ω
RL=10KΩ
-10
RL
Output
1kΩ
s
Voltage gain Av (dB)
0
-20
0.05 0.2 0.5 1
2
5
50
Frequency f(kHz)
SPEC NO: DSAD1540
REV NO: V.7
DATE: NOV/15/2005
PAGE: 5 OF 9
APPROVED: J. Lu
CHECKED: Tracy Deng
DRAWN: W.J.ZHU
ERP:1205000024
PHOTOCOUPLER
KB8441
Fig. 11 Collector-emitter Saturation
Fig. 11
Collector-emitter
Saturation
Voltage
vs. Forward
Current
Voltage vs. Forward Current
8
Collector-emitter saturation
(V)
voltage VCE (sat)
Collector-emitter
saturation
voltage VCE (sat) (V)
Ta=25 °C
8
7
I C=0.5mA Ta=25 °C
I C=0.5mA
1mA
3mA 1mA
7
6
6
5
5
5mA3mA
5mA
7mA
7mA
4
4
3
50mA
50mA
3
2
2
1
1
0
00 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
1.5 2.0I F2.5
0.5 1.0 current
4.0
0 Forward
(mA) 3.0 3.5
Forward current I F (mA)
* NOTES
* NOTESON
ONHANDLING
HANDLING
1.Recommended
soldering)
1.Recommendedsoldering
solderingconditions
conditions (Dip soldering)
(1)(1)Dip
Dipsoldering
soldering
Temperature
Temperature
260°
(molten solder
soldertemperature)
temperature)
260° C
C or
or below (molten
Time
Time
Less than
than 10
10 seconds.
seconds.
Less
Cycle
Cycle
One cycle
cycle allowed
allowed to
portion.
One
to be
be dipped
dippedininsolder
solderincluding
includingplastic
plasticmold
mold
portion.
Flux
Flux
Rosin flux
flux containing
containing small
Rosin
small amount
amountofofchlorine
chlorine
(The
flux
with
a
maximum
chlorine
(The flux with a maximum chlorinecontent
content ofof0.2
0.2Wt
Wt%%is isrecommended.)
recommended.)
(2)Cautions
Cautions
(2)
Fluxes
Fluxes
Avoid removing the residual flux with freon-based and chlorine-based cleaning solvent.
Avoid removing the residual flux with freon-based and chlorine-based cleaning solvent.
2.Cautions regarding noise
2.Cautions regarding noise
Be aware that power is suddenly into the component any surge current may cause damage happen,
Be aware that power is suddenly into the component any surge current may cause damage happen,
even if the voltage is within the absolute maximum ratings.
even if the voltage is within the absolute maximum ratings.
SPEC NO: DSAD1540
REV NO: V.7
DATE: NOV/15/2005
PAGE: 6 OF 9
APPROVED: J. Lu
CHECKED: Tracy Deng
DRAWN: W.J.ZHU
ERP:1205000024
PHOTOCOUPLER
KB8441
CAUTION
Within this device there exists GaAs (Gallium Arsenide) material which is a harmful substance if ingested.
GaAs dust and fumes are toxic. Do not break, cut or pulverize the product, or use chemicals to dissolve them.
RESTRICTIONS ON PRODUCT USE
The information in this document is subject to change without notice. Before using this
document, please confirm that this is the latest version. Not all devices / types available
in every country.
We are mention about our product quality stablity, semiconductor devices in general can
malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical
stress. It is the responsibility of the buyer, when utilizing KINGBRIGHT products, to observe
standards of safety, and to a avoid situations in which a malfunction or failure of a
KINGBRIGHT product could cause loss of human life, bodily injury or damage to property.
In developing your designs, please ensure that KINGBRIGHT products are used within
specified operating ranges as set forth in the most recent products specifications.
SPEC NO: DSAD1540
REV NO: V.7
DATE: NOV/15/2005
PAGE: 7 OF 9
APPROVED: J. Lu
CHECKED: Tracy Deng
DRAWN: W.J.ZHU
ERP:1205000024
PHOTOCOUPLER
KB8441
TOLERANCE : ±0.4[±0.012] UNLESS OTHERWISE NOTED.
Dimension of Tube
Unit:mm
Dimension of Carton
Part Number
Package
Package Style
KB8441
16-pin DIP
25pcs/each tube
SPEC NO: DSAD1540
REV NO: V.7
DATE: NOV/15/2005
PAGE: 8 OF 9
APPROVED: J. Lu
CHECKED: Tracy Deng
DRAWN: W.J.ZHU
ERP:1205000024
PHOTOCOUPLER
KB8441
PACKING & LABEL SPECIFICATIONS
SPEC NO: DSAD1540
REV NO: V.7
DATE: NOV/15/2005
PAGE: 9 OF 9
APPROVED: J. Lu
CHECKED: Tracy Deng
DRAWN: W.J.ZHU
ERP:1205000024