PC929 Просмотр технического описания (PDF) - Sharp Electronics
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PC929 Datasheet PDF : 6 Pages
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PC929
s Electro-optical Characteristics (2)
(Ta=Topr unless otherwise specified)
Parameter
Symbol
Conditions
MIN. TYP. MAX. Unit Test circuit
*9
*10 Overcurrent detecting voltage
Overcurrent detecting voltage
hysteresis width
VCTH
VCHIS
Ta = 25˚C, IF = 5mA
VCC - VCC - VCC -
V
VCC = V01 = 24V, RG = 47Ω
6.5 6.0 5.5
CG = 3 000pF, FS = OPEN
1
2
3
V
(9)
*9
O2 "High→Low" delay time
at protection from overcurrent
tPCOHL
Ta = 25˚C
-
4
10
µs
O2 fall time at protection
from overcurrent
tPCOtf
VCC = V01 = 24V, IF = 5mA
CG = 3 000pF, RG = 47Ω
CP = 1 000pF, RC = 1kΩ
(13)
2
5
-
µs
O2 output voltage at protection
from overcurrent
VOE
FS = OPEN
-
-
2
V (10)
*9
Low level error
signal voltage
Ta = 25˚C, IF = 5mA, IFS = 10mA
VFSL
VCC = VO1 = 24V, RG = 47Ω , CG = 3 000pF, -
0.2 0.4
V
(11)
C = OPEN
High level error
signal current
Error signal "High→Low"
delay time
Error signal output pulse width
IFSH
tPCFHL
∆ tFS
Ta = 25˚C, IF = 5mA, VFS = 24V
VCC = VO1 = 24V, RG = 47Ω , CG = 3 000pF, -
VC = 0V
Ta = 25˚C, RFS = 1.8kΩ
-
VCC = VO1 = 24V, IF = 5mA
CG = 3 000pF, RG = 47Ω
CP = 1 000pF, RC = 1kΩ
20
-
100 µ A (12)
1
5
µs
(14)
35
-
µs
*9 When measuring overcurrent, protective output and error signal output characteristics, connect a bypass capacitor (0.01 µ F or more) between VCC 13 and GND 14 near the device.
*10 VCTH represents C-terminal voltage when O 2 output goes from "High" to "Low".
Fig. 1 Forward Current vs. Ambient
Temperature
60
50
40
30
20
10
0
- 25 0
25 50 75 80 100 125
Ambient temperature Ta (˚C)
Fig. 2 Power Dissipation vs. Ambient
Temperature
600
550
500
400
300
200
100
0
- 25 0
25 50 75 80 100 125
Ambient temperature Ta (˚C)
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