参数资料
型号: FOD3181T
厂商: Fairchild Optoelectronics Group
文件页数: 11/12页
文件大小: 0K
描述: OPTOCOUPLER HS 20V 1.5A 8-DIP
标准包装: 1,000
电压 - 隔离: 5000Vrms
通道数: 1,单向
电流 - 输出 / 通道: 500mA
传输延迟高 - 低 @ 如果: 105ns @ 10mA
电流 - DC 正向(If): 12mA ~ 18mA
输入类型: DC
输出类型: 推挽式/图腾柱
安装类型: 通孔
封装/外壳: 8-DIP(0.400",10.16mm)
供应商设备封装: 8-DIP
包装: 管件
I OH and I OL Test Conditions
This device is tested and specified when driving a com-
plex reactive load. The load consists of a capacitor in the
series with a current limiting resistor. The capacitor rep-
resents the gate to source capacitance of a power
MOSFET transistor. The test load is a 0.03uF capacitor
in series with an 40 ? resistor. The LED test frequency is
10.0kHz with a 50% duty cycle. The combined I OH and
I OL output load current duty factor is 0.6% at the test
frequency.
Figure 14 illustrates the relationship of the LED input
drive current and the device’s output voltage and sourc-
ing and sinking currents. The 0.03μF capacitor load rep-
resents the gate to source capacitance of a very large
power MOSFET transistor. A single supply voltage of
20V is used in the evaluation.
Figure 15 shows the test schematic to evaluate the out-
put voltage and sourcing and sinking capability of the
device. The I OH and I OL are measured at the peak of
their respective current pulses.
I F = 8mA
LED
OUTPUT
20V
ON
P-Channel (ON)
OFF
N-Channel (ON)
0
I OH = 0.5A
Load
Current
I OL = 0.5A
1μs/Div
Figure 14. FOD 3180 Output Current and Output Voltage vs. LED Drive
Pulse
Generator
1
FOD3181
8
0.1 μ F
2
7
V O
IO MON
IF MON
3
6
0.33 μ F
40 ?
22 μ F
100 ?
100 ?
?2003 Fairchild Semiconductor Corporation
FOD3181 Rev. 1.0.8
4
5
Figure 15. Test Schematic
11
www.fairchildsemi.com
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