HCPL-800J-000E Avago Technologies US Inc., HCPL-800J-000E Datasheet - Page 18

• Manufacturer Part Number: HCPL-800J-000E
• Description: OPTOCOUPLER DAA PLC ISO 16SOIC
• Manufacturer: Avago Technologies US Inc.

Specifications of HCPL-800J-000E

• Package / Case: SO-16
• Mounting Type: Surface Mount
• Current - Supply: 28mA
• Voltage - Supply: 4.75 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Applications: Powerline Data Access
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 30. A simple low cost non-isolated power supply
VCC2 Power Supply Requirements
The recommended voltage regulator to supply V
a low cost 78L05 or equivalent. To minimize harmonic
distortion, it is recommended to connect a tantalum
decoupling capacitor of at least 10 µF together with
a 100 nF ceramic capacitor in parallel. The capacitors
should be positioned as close as possible to the supply
input pin. The supply voltage for the regulator can be
supplied from the system level power supply transform-
er (powerline side winding). Alternatively, the supply
can be derived directly from the powerline via a simple
low cost circuit as shown in Figure 30.
Thermal Considerations
The high efficiency line driver used in the HCPL-800J
ensures minimum internal power dissipation, even for
high peak output currents. Despite this, operating the
line driver continuously with high output currents at
elevated ambient temperatures can cause the peak
junction temperature to exceed 125°C and/or resulting
in the triggering of the thermal protection.
To prevent this from happening, when operating the
line driver continuously with high output currents,
an ambient temperature derating factor needs to be
applied. A typical derating curve is shown in Figure 31.
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Avago, Avago Technologies, and the A logo are trademarks of Avago Technologies, Limited in the United States and other countries.
Data subject to change. Copyright © 2006 Avago Technologies Limited. All rights reserved. Obsoletes 5989-0402EN
AV02-0413EN - May 11, 2007
5 V
100 nF
78L05
V
OUT
GND
V
IN
1000 µF
GND2
9.1 V 1 W
+
-
* 1.5µF X2 for 230V mains, 3.3µF X2 for 110V mains
CC2
X2 1.5 µF/3.3 µF
is
C*
www.avagotech.com
In this case the assumption is that the transmitter is
operating continuously in still air with a typical 2-layer
Printed-Circuit Board (PCB). However, it should be noted
that operating the transmitter discontinuously for short
periods of time will allow lower derating or even no
derating at all. Conversely operating the line driver con-
tinuously with a poor PCB layout and/or with restricted
air convection could result in the requirement for a
larger derating factor.
Figure 31. Power derating vs. temperature
470 µH 120 mA
VARISTOR
1.4
1.4
1.2
1.2
0.8
0.8
0.6
0.6
0.4
0.4
0.2
0.2
1
1
0
0
-40
-40
T
T
A
A
-15
-15
– AMBIENT TEMPERATURE – °C
– AMBIENT TEMPERATURE – °C
220 kÙ
10
10
630 mA
35
35
60
60
L
N
85
85