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TLP831F Arkusz danych(PDF) 3 Page - Toshiba Semiconductor

Numer części TLP831F
Szczegółowy opis  Home Electronics Equipment Such As VCRS And CD Players
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Producent  TOSHIBA [Toshiba Semiconductor]
Strona internetowa  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TLP831F Arkusz danych(HTML) 3 Page - Toshiba Semiconductor

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TLP831(F)
2007-10-01
3
Opto Electrical Characteristics (Ta = 25°C)
Characteristic
Symbol
Test Condition
Min.
Typ.
Max.
Unit
Forward voltage
VF
IF = 10mA
1.00
1.15
1.30
V
Reverse current
IR
VR = 5V
10
μA
Peak emission wavelength
λP
IF = 10mA
940
nm
Dark current
ID (ICEO)
VCE = 24V, IF = 0
0.1
μA
Peak sensitivity
wavelength
λP
870
nm
Current transfer ratio
IC / IF
VCE = 2V, IF = 10mA
5
100
%
Collector
−emitter
saturation voltage
VCE (sat)
IF = 20mA, IC = 0.5mA
0.1
0.35
V
Rise time
tr
15
50
Fall time
tf
VCC = 5V, IC = 1mA
RL = 1kΩ (Note 2)
15
50
μs
Note 2: Switching time measurement circuit and waveform
Precautions
• When removing flux with chemicals after soldering, clean only the leads on the soldering side; do not dip the
whole package for cleaning.
Chemicals remaining on a surface of LED or phototransistor, if any, would have a bad influence to the optical
characteristics and it may severely lower the conversion efficiency.
• The environment to install the device should be determined carefully. Oil or chemicals may cause the package
to be dissolved or cracked.
• The device should be mounted on an unwrapped surface.
• Install this device as avoiding the disturbance light as possible. A visible light cut−off type phototransistor
which blocks light with frequencies of 700nm or above is used. However, the device cannot block infrared light
with a wavelength of 700nm or more, and it may do mistaken movements.
• Conversion efficiency falls over time due to the current which flows in the infrared LED.
When designing a circuit, take into account this change in conversion efficiency over time.
The ratio of fluctuation in conversion efficiency to fluctuation in infrared LED optical output is 1:1.
VOUT
VCC
IF
RL
10%
90%
IF
VOUT
tf
tr
ts
td
(0)
O
P
(t)
O
P
(0)
F
I
/
C
I
(t)
F
I
/
C
I
=


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