Siemens IL755B Bidirectional input darlington optocoupler Datasheet

IL755B
BIDIRECTIONAL INPUT
DARLINGTON OPTOCOUPLER
FEATURES
• Very High Current Transfer Ratio (500% min.)
IL755B-1: 750% at IF=2 mA, VCE=5 V
IL755B-2: 1000% at IF=1 mA, VCE=5 V
• BVCEO >60 V
• Isolation Test Voltage, 5300 VACRMS
• AC or Polarity Insensitive Inputs
• No Base Connection
• High Isolation Resistance, 1012Ω
• Low Coupling Capacitance
• Standard Plastic DIP Package
• Underwriters Lab Approval #E52744
• VDE #0884 Available with Option 1
Dimensions in inches (mm)
Detector
Collector-Emitter Breakdown Voltage ..............60 V
Emitter-Collector Breakdown Voltage ..............12 V
Power Dissipation at 25°C Ambient ...........200 mW
Derate Linearly from 25°C......................2.6 mW/°C
Package
Isolation Test Voltage
(PK), t=1 sec.................................. 5300 VACRMS
Dissipation at 25°C.....................................250 mW
Derate Linearly from 25°C(2) .................3.3 mW/°C
Creepage ................................................ 7 min mm
Clearance................................................ 7 min mm
Isolation Resistance
TA=25°C.................................................. ≥1012 Ω
TA=100°C................................................ ≥1011 Ω
Storage Temperature(2) ..............–55°C to +150°C
Operating Temperature ................–55°C to +100°C
Lead Soldering Time at 260°C .................... 10 sec.
pin one Anode/ 1
Cathode
ID.
Catho e/ 2
Anode
6 Base
5 Collector
NC 3
4
5
4 Emitter
6
.335 (8.50)
.343 (8.70)
.039
(1.00)
Min.
.300 (7.62)
Typ.
.130 (3.30)
.138 (3.50)
18° Typ.
4°
Typ.
The IL755B is a bidirectional input, optically coupled isolator consisting of two Gallium Arsenide
infrared emitters and a silicon photodarlington sensor.
Emitter (Drive Circuit)
Continuous Forward Current .........................60 mA
Power Dissipation at 25°C..........................100 mW
Derate Linearly from 55°C....................1.33 mW/°C
1
.248 (6.30)
.256 (6.50)
DESCRIPTION
Maximum Ratings (at 25°C)
2
3
.032 (0.80)
Min.
.031 (0.80)
.035 (0.90)
.100 (2.54) Typ.
.018 (0.45)
.022 (0.55)
.114(2.90)
.130 (3.30)
.010 (.25)
.014 (.35)
.300 (7.62)
.347 (8.82)
Electrical Characteristics (TA=25°C)
Symbol
Min.
Typ.
Max.
Unit
Condition
1.25
1.5
V
IF=10 mA
V
IC=1 mA,
IF=0
nA
VCE=10 V,
IF=0
750
%
1000
%
IF=± 2 mA,
VCE=5 V
IF=± 1 mA,
VCE=5 V
Emitter
Forward Voltage(1)
VF
Detector(2)
Breakdown Voltage,
Collector-Emitter
BVCEO
Leakage Current,
Collector-Emitter
ICEO
60
75
1.0
100
Package
Current Transfer
Ratio(2)
IL755B-1
CTR
IL755B-2
Saturation Voltage,
Collector-Emitter
VCEsat
1.0
V
IC=10 mA,
IF=± 10 mA
Turn-On Time
ton
200
µs
VCC=10 V
Turn-Off Time
toff
200
µs
IF=± 2 mA,
RL=100 Ω
Notes:
1. Indicates JEDEC registered data.
5–1
Figure 5. Normalized non-saturated and saturated
collector-emitter current versus LED current
60
10
40
NIce - Normalized Ice
IF - LED Forward Current - mA
Figure 1. LED forward current versus forward voltage
85°C
20
25°C
0
–55°C
-20
-40
-60
-1.5
-1.0
-0.5
0.0
0.5
1.0
Normalized to:
Ta = 25°C
IF = 10 mA
Vce = 5 V
1
Vce = 1V
.1
.01
.001
.1
1.5
Figure 6. Low to high propagation delay versus
collector load resistance and LED current
Normalized to:
Ta = 25°C
Vce = 5 V
IF = 1 mA
3.5
3.0
2.5
tpLH - Low/High Propagation
Delay - µs
NCTRce - Normalized CTRce
4.0
2.0
Vce = 5 V
1.5
1.0
0.5
Vce = 1 V
0.0
.1
100
1
10
IF - LED Current - mA
tpHL - High/Low Propagation
delay - µs
NCTRce - Normalized CTRce
Normalized to:
Ta = 25°C
Vce = 5 V
IF = 2 mA
1.5
Vce = 5 V
1.0
0.5
Vce = 1 V
0.0
.1
1
10
IF - LED Current - mA
Ta = 25°C, Vcc = 5V
Vth = 1.5 V
60
220Ω
40
470Ω
20
100Ω
0
5
10
15
IF - LED Current - mA
NIce - Normalized Ice
10
Normalized to:
Ta = 25°C
Vce = 5 V
IF = 2 mA
100
Vce = 5 V
1KΩ
15
Ta = 25°C
Vcc = 5 V
Vth = 1.5 V
10
100Ω
5
0
0
5
10
15
IF - LED Current - mA
20
Figure 9. Normalized non-saturated and saturated CTRce versus LED current
VCC=10 V
IF
F=10 KHz,
DF=50%
Vce = 1 V
RL
VO
1
tD
tR
VO
.1
.01
.1
20
20
Figure 4. Normalized non-saturated and saturated Figure 8. Switching waveform
Ice versus LED current
100
1KΩ
Figure 7. High to low propagation delay versus
collector load resistance and LED current
3.0
2.0
80
0
Figure 3. Normalized non-saturated and saturated
CTRce versus LED current
2.5
100
1
10
IF - LED Current - mA
VF - LED Forward Voltage - V
Figure 2. Normalized non-saturated and saturated
CTRce versus LED current
Vce = 5 V
1
10
IF - LED Current - mA
IF=2 mA
tPLH
100
tPHL
tS
VTH=1.5 V
tF
IL755B
5–2
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