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HCPL-270L Datasheet, PDF (11/12 Pages) AVAGO TECHNOLOGIES LIMITED – Low Input Current, High Gain, LVTTL/LVCMOS Compatbie Optocouplers
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85°C
2000
70°C
25°C
1600
70°C
-40°C
1200
800
400
0
0.1
VCC = 3.3 V
VO = 0.4 V
1.0
10
IF - FORWARD CURRENT - mA
Figure 1. Current transfer ratio vs. forward
current
2500
V CC = 5.0 V
V O = 0.4 V
2000
1500
1000
T A = 0° C
T A = 25° C
T A = 70° C
T A = 85° C
T A = -40° C
500
0
0.1
1.0
10
IF - FORWARD CURRENT - mA
100
10
TA = 85° C
1.0
TA = 70° C
0.1
TA = 25° C
TA = 0° C
TA = -40° C
0.01
0.01
0.1
1
10
IF - INPUT DIODE FORWARD CURRENT - mA
Figure 2. Current transfer ratio vs. forward
current
Figure 3. Output current vs. input diode
forward current
100
VCC = 5.0 V
V O = 0.4 V
10
1.0
T A = 85° C
T A = 25° C
T A = -40° C
0.1
0.1
1
10
IF - INPUT DIODE FORWARD CURRENT - mA
Figure 4. Output current vs. input diode
forward current
1000
100
10
1.0
0.1
IF
+
VF
-
TA = 85°C
TA = 70°C
0.01
0.001
1.1 1.2
1.3
TA = 25°C
TA = 0°C
TA = -40°C
1.4
1.5
1.6
VF - FORWARD VOLTAGE - V
1.6
IF = 1.6 mA
1.5
1.4
1.3
1.2
-60 -40 -20 0 20 40 60 80 100
TA - TEMPERATURE - °C
Figure 5. Input diode forward current vs.
forward voltage
Figure 6. Forward voltage vs. temperature
IF
0
VO
(SATURATED
50%
RESPONSE)
t PHL
3.3 V
50%
V OL
t PLH
VO
(NON-SATURATED
RESPONSE)
tf
90%
10%
3.3 V
90%
10%
tr
Figure 7. Switching test circuit
PULSE
IF
GEN.
1
ZO = 50 W
t r= 5 ns
2
10% DUTY CYCLE
I/f < 100 µs
3
IF MONITOR
4
RM
8
3.3 V
7
RL
6
VO
0.1 µF
5
CL = 15 pF*
* INCLUDES PROBE AND
FIXTURE CAPACITANCE
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