HCNR201-550 查看數據表（PDF） - Avago Technologies
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HCNR201-550 Datasheet PDF : 19 Pages
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1000
900
800
700
600
500
400
300
200
100
0
0
PS OUTPUT POWER – mV
IS INPUT CURRENT – mA
25 50 75 100 125 150 175
TS – CASE TEMPERATURE – °C
Figure 11. Thermal derating curve dependence of safety limiting value
with case temperature per IEC/EN/DIN EN 60747-5-2.
R1
VIN
+
IPD1
PD1
A1
-
LED
IF
R2
IPD2
-
PD2
A2
+
R1
VIN
PD1
A) BASIC TOPOLOGY
C1
-
A1
+
VCC
LED
R3
PD2
R2
C2
-
PD2
A2
+
Figure 12. Basic isolation amplifier.
B) PRACTICAL CIRCUIT
VCC
VIN
-
-
+
+
VOUT
VOUT
VOUT
A) POSITIVE INPUT
B) POSITIVE OUTPUT
VIN
-
+
C) NEGATIVE INPUT
Figure 13. Unipolar circuit topologies.
11
-
VOUT
+
D) NEGATIVE OUTPUT
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