8 PIN SOP PHOTOTRANSISTOR
DUAL CHANNEL PHOTOCOUPLER
Features
•
Dual channel coupler
•
Current transfer ratios offered in narrow ranges
ELD205: 40-80%
ELD206: 63-125%
ELD207: 100-200%
ELD211: > 20%
ELD213: > 100%
ELD217: > 100%
•
High isolation voltage between input and output
Viso = 3750 Vrms
•
Operating temperature range of -55 to +110℃
•
High BVceo of 80V
•
Standard SO-8 footprint package
•
Pb free and RoHS compliant.
•
UL approved (No. E214129)
•
VDE approval (pending)
•
SEMKO approved
•
NEMKO approved
•
DEMKO approved
•
FIMKO approved
•
CSA approved (No. 2007189)
ELD20X / 21X series
Schematic
Description
The ELD20X and ELD21X series contains two infrared
emitting diodes optically coupled to two phototransistor
detectors.
The devices are packaged in an 8-pin small outline
package which conforms to the standard SO-8 footprint.
1. Anode
2. Cathode
3. Anode
4. Cathode
5. Emitter
6. Collector
7. Emitter
8. Collector
Applications
Feedback Control Circuits
Interfacing and coupling systems of different potentials and impedances
General Purpose Switching Circuits
Monitor and Detection Circuits
Everlight Electronics Co., Ltd.
Document No：DPC-0000024
1
Rev.1
http:\\www.everlight.com
January 16, 2009
8 PIN SOP PHOTOTRANSISTOR
DUAL CHANNEL PHOTOCOUPLER
Absolute Maximum Ratings (T
a
=25°C)
Parameter
Forward current
Peak forward current (t = 100µs)
Input
Reverse voltage
Power dissipation
No derating needed
Collector power dissipation
No derating needed
Output
Collector-Emitter voltage
Collector-Base voltage
Emitter-Collector voltage
Total power dissipation
Isolation voltage
*1
Operating temperature
Storage temperature
Soldering temperature
*2
Symbol
I
F
I
FM
V
R
P
D
ELD20X / 21X series
Rating
60
1
6
90
Unit
mA
A
V
mW
P
C
V
CEO
V
CBO
V
ECO
P
tot
V
iso
T
opr
T
stg
T
sol
150
80
80
7
250
3750
-55~+110
-55~+150
260
mW
V
V
V
mW
Vrms
°C
°C
°C
Notes
*1 AC for 1 minute, R.H.= 40 ~ 60% R.H. In this test, pins 1, 2 & 3 are shorted together, and pins 4, 5 & 6
are shorted together.
*2 For 10 seconds.
Everlight Electronics Co., Ltd.
Document No：DPC-0000024
2
Rev.1
http:\\www.everlight.com
January 16, 2009
8 PIN SOP PHOTOTRANSISTOR
DUAL CHANNEL PHOTOCOUPLER
ELD20X / 21X series
Electrical Characteristics (T
a
=25°C unless specified otherwise)
Input
Parameter
Forward voltage
Reverse current
Input capacitance
Symbol
V
F
I
R
C
in
Min.
-
-
-
Typ.*
1.2
0.1
25
Max.
1.5
100
-
Unit
V
µA
pF
Condition
I
F
= 10mA
V
R
= 6V
V = 0, f = 1MHz
Output
Parameter
Collector-Emitter dark current
Collector-Emitter breakdown
voltage
Emitter-Collector breakdown
voltage
Collector-Emitter capacitance
Symbol
I
CEO
BV
CEO
BV
ECO
C
CE
Min.
-
80
7
-
Typ.*
5.0
-
-
10
Max.
50
-
-
-
Unit
nA
V
V
pF
Condition
V
CE
= 10V, I
F
= 0mA
I
C
= 0.1mA
I
E
= 0.1mA
VCE = 0V, f = 1MHz
Transfer Characteristics
Parameter
ELD205
ELD206
Current Transfer Ratio ELD207
ELD211
ELD213
ELD205
Current Transfer Ratio
ELD206
ELD207
ELD217
Collector-emitter
saturation voltage
Isolation resistance
Input-output capacitance
Turn-on time
Turn-off time
Rise time
Fall time
* Typical values at T
a
= 25°C
Everlight Electronics Co., Ltd.
Document No：DPC-0000024
3
Rev.1
http:\\www.everlight.com
January 16, 2009
Symbol
Min.
40
63
Typ.*
-
-
-
-
-
30
45
70
120
-
10
11
0.5
5.0
4.0
1.6
2.2
Max.
80
125
200
-
-
-
-
-
-
0.4
-
-
-
-
-
-
Unit
Condition
CTR
100
20
100
13
22
%
I
F
= 10mA ,V
CE
= 5V
CTR
34
100
%
I
F
= 1mA ,V
CE
= 5V
V
CE(sat)
R
IO
C
IO
T
on
T
off
T
r
T
f
-
-
-
-
-
-
-
V
Ω
pF
I
F
= 10mA , I
C
= 2.5mA
V
IO
= 500Vdc
V
IO
= 0, f = 1MHz
µs
V
CC
= 5V,
I
C
= 2mA, R
L
= 100Ω
8 PIN SOP PHOTOTRANSISTOR
DUAL CHANNEL PHOTOCOUPLER
Typical Performance Curves
ELD20X / 21X series
Everlight Electronics Co., Ltd.
Document No：DPC-0000024
4
Rev.1
http:\\www.everlight.com
January 16, 2009
8 PIN SOP PHOTOTRANSISTOR
DUAL CHANNEL PHOTOCOUPLER
ELD20X / 21X series
V
CC
I
F
Input
Pulse
Output
10%
90%
I
C
R
L
Input
R
IN
Output
Pulse
t
r
t
on
Figure 7. Switching Time Test Circuit & Waveforms
t
f
t
off
Everlight Electronics Co., Ltd.
Document No：DPC-0000024
5
Rev.1
http:\\www.everlight.com
January 16, 2009
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