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PC923L0NIZ View Datasheet(PDF) - Sharp Electronics

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PC923L0NIZ Datasheet PDF : 18 Pages
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Design Considerations
Recommended operating conditions
Parameter
Symbol MIN. TYP. MAX. Unit
Forward current
IF
10
20
mA
Supply voltage
VCC
15
30
V
Operating temperature
Topr
40
70
˚C
PC923L0NSZ Series
Notes about static electricity
Transistor of detector side in bipolar configuration may be damaged by static electricity due to its minute de-
sign.
When handling these devices, general countermeasure against static electricity should be taken to avoid
breakdown of devices or degradation of characteristics.
Design guide
In order to stabilize power supply line, we should certainly recommend to connect a by-pass capacitor of
0.01µF or more between VCC and GND near the device.
In case that some sudden big noise caused by voltage variation is provided between primary and secondary
terminals of photocoupler some current caused by it is floating capacitance may be generated and result in
false operation since current may go through LED or current may change.
If the photocoupler may be used under the circumstances where noise will be generated we recommend to
use the bypass capacitors at the both ends of LED.
The detector which is used in this device, has parasitic diode between each pins and GND.
There are cases that miss operation or destruction possibly may be occurred if electric potential of any pin
becomes below GND level even for instant.
Therefore it shall be recommended to design the circuit that electric potential of any pin does not become
below GND level.
This product is not designed against irradiation and incorporates non-coherent LED.
This photocoupler is dedicated to the use for IGBT or MOSFET Gate Drive.
Please do not use this for the other application.
As mentioned below, when the input is on, if DC load (resistor etc.) is connected between O2 output pin 6
and GND pin 7 and if the electric potential VO2 goes approx. 2V below than electric potential VCC pin 8 con-
tinuously, supply current ICC may flow more than usually and go beyond power dissipation.
8
A
2
5
IF
PC923L
6
3
7
2V or more
VCC
Sheet No.: D2-A06001EN
12
 

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