PHOTOCOUPLER
PS2705-1
HIGH ISOLATION VOLTAGE
AC INPUT RESPONSE TYPE
SOP MULTI PHOTOCOUPLER
−NEPOC
Series−
DESCRIPTION
The PS2705-1 is an optically coupled isolator containing a GaAs light emitting diode and an NPN silicon
phototransistor.
This package is SOP (Small Outline Package) type and has shield effect to cut off ambient light.
It is designed for high density mounting applications.
FEATURES
• AC input response
• High isolation voltage (BV = 3 750 Vr.m.s.)
• High current transfer ratio (CTR = 100 % TYP.)
• SOP (Small Outline Package) type
• High-speed switching (t
r
= 3
µ
s TYP., t
f
= 5
µ
s TYP.)
• Ordering number of taping product : PS2705-1-F3, F4
• UL approved: File No. E72422 (S)
• VDE0884 approved (Option)
APPLICATIONS
• Hybrid IC
• Telephone/FAX
• FA/OA equipment
• Programmable logic controllers
• Power supply
ORDERING INFORMATION (Solder Contains Lead)
Part Number
PS2705-1
Package
4-pin SOP
Safety Standard Approval
Standard products
• UL approved
PS2705-1-V
4-pin SOP
VDE0884 approved products (Option)
ORDERING INFORMATION (Pb-Free)
Part Number
PS2705-1-A
Package
4-pin SOP
Safety Standard Approval
Standard products
• UL approved
PS2705-1-V-A
4-pin SOP
VDE0884 approved products (Option)
Document No. PN10243EJ01V0DS (1st edition)
(Previous No. P11309EJ5V0DS00)
Date Published February 2003 CP(K)
The mark
shows major revised points.
PS2705-1
PACKAGE DIMENSIONS (in millimeters)
PS2705-1
TOP VIEW
4
3
1. Anode, Cathode
2. Cathode, Anode
3. Emitter
4. Collector
4.0±0.5
1
2
7.0±0.3
4.4
2.1±0.2
0.1±0.1
2.54
0.4
+0.10
–0.05
0.25 M
0.15
+0.10
–0.05
2.0
0.5±0.3
2
Data Sheet PN10243EJ01V0DS
PS2705-1
ABSOLUTE MAXIMUM RATINGS (T
A
= 25
°C,
unless otherwise specified)
Parameter
Diode
Forward Current (DC)
Power Dissipation Derating
Power Dissipation
Peak Forward Current
Transistor
*1
Symbol
I
F
Ratings
±
50
0.8
80
±
1
40
6
80
1.5
150
3 750
–55 to +100
–55 to +150
Unit
mA
mW/°C
mW
A
V
V
mA
mW/°C
mW
Vr.m.s.
°C
°C
∆
P
D
/°C
P
D
I
FP
V
CEO
V
ECO
I
C
Collector to Emitter Voltage
Emitter to Collector Voltage
Collector Current
Power Dissipation Derating
Power Dissipation
∆
P
C
/°C
P
C
BV
T
A
T
stg
Isolation Voltage
*2
Operating Ambient Temperature
Storage Temperature
*1
PW = 100
µ
s, Duty Cycle = 1 %
*2
AC voltage for 1 minute at T
A
= 25 °C, RH = 60 % between input and output
Data Sheet PN10243EJ01V0DS
3
PS2705-1
ELECTRICAL CHARACTERISTICS (T
A
= 25
°C)
Parameter
Diode
Forward Voltage
Terminal Capacitance
Transistor
Collector to Emitter Dark
Current
Coupled
Current Transfer Ratio
(I
C
/I
F
)
*1
*2
Symbol
V
F
C
t
I
CEO
I
F
=
±
5 mA
Conditions
MIN.
TYP.
1.1
60
MAX.
1.4
Unit
V
pF
V = 0 V, f = 1 MHz
I
F
= 0 mA, V
CE
= 40 V
I
F
=
±
5 mA, V
CE
= 5 V
I
F
=
±
5 mA, V
CE
= 5 V
I
F
=
±
10 mA, I
C
= 2 mA
11
100
nA
CTR
50
100
300
%
CTR Ratio
CTR
1
/
CTR
2
0.3
1.0
3.0
Collector Saturation
Voltage
Isolation Resistance
Isolation Capacitance
Rise Time
Fall Time
*3
V
CE (sat)
0.3
V
Ω
R
I-O
C
I-O
t
r
t
f
V
I-O
= 1 kV
DC
V = 0 V, f = 1 MHz
V
CC
= 5 V, I
C
= 2 mA, R
L
= 100
Ω
10
0.4
3
5
pF
µ
s
*3
*1
CTR rank
M: 50 to 150 (%)
L: 100 to 300 (%)
N: 50 to 300 (%)
*2
CTR
1
= I
C1
/I
F1
, CTR
2
= I
C2
/I
F2
I
F1
I
F2
I
C1
V
CE
I
C2
*3
Test circuit for switching time
Pulse Input
I
F
V
CC
PW = 100
µ
s
Duty Cycle = 1/10
In monitor
50
Ω
V
OUT
R
L
= 100
Ω
4
Data Sheet PN10243EJ01V0DS
PS2705-1
TYPICAL CHARACTERISTICS (T
A
= 25 °C, unless otherwise specified)
DIODE POWER DISSIPATION vs.
AMBIENT TEMPERATURE
Transistor Power Dissipation P
C
(mW)
100
TRANSISTOR POWER DISSIPATION vs.
AMBIENT TEMPERATURE
200
Diode Power Dissipation P
D
(mW)
75
150
1.5 mW/˚C
100
50
25
50
0
25
50
75
100
0
25
50
75
100
Ambient Temperature T
A
(˚C)
Ambient Temperature T
A
(˚C)
FORWARD CURRENT vs.
FORWARD VOLTAGE
100
80
60
FORWARD CURRENT vs.
FORWARD VOLTAGE
Forward Current I
F
(mA)
10
Forward Current I
F
(mA)
1.4
1.6
T
A
= +100 ˚C
+75 ˚C
+50 ˚C
40
20
0
–20
–40
–60
1
0.1
+25 ˚C
0 ˚C
–25 ˚C
–55 ˚C
0.01
0.6
0.8
1.0
1.2
–80
–1.6 –1.2 –0.8 –0.4
0
0.4
0.8
1.2
1.6
Forward Voltage V
F
(V)
Forward Voltage V
F
(V)
COLLECTOR TO EMITTER DARK
CURRENT vs. AMBIENT TEMPERATURE
Collector to Emitter Dark Current I
CEO
(nA)
10 000
COLLECTOR CURRENT vs.
COLLECTOR SATURATION VOLTAGE
50
I
F
= 25 mA
20
V
CE
= 40 V
24 V
10 V
Collector Current I
C
(mA)
1 000
10
5
2
1
0.5
0.2
10 mA
5 mA
100
2 mA
1 mA
10
1
0.1
–60 –40
–20
0
20
40
60
80
100
0.1
0.0
0.2
0.4
0.6
0.8
1.0
Ambient Temperature T
A
(˚C)
Collector Saturation Voltage V
CE (sat)
(V)
Data Sheet PN10243EJ01V0DS
5
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