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參數(shù)資料
| 型號： | HA17431VUP |
| 廠商： | Hitachi,Ltd. |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | Infrared Temperature Sensor; Sensor Output Type:K thermocouple; Field of View:10:1; Sensor Terminals:Cable; Accuracy: 1%; Features:Miniature Sensing Head with separate electronics; Response Time:200ms; Supply Voltage:24VDC |
| 中文描述： | 關(guān)于在諸如日立電器和日立二十，文件提及的瑞薩科技公司名稱變更 |
| 文件頁數(shù)： | 21/26頁 |
| 文件大小： | 236K |
| 代理商： | HA17431VUP |
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HA17431 Series
Rev.1, Sep. 2002, page 19 of 24
Practical Example
Consider the example of a photocoupler, with an internal light emitting diode V
F
= 1.05 V and I
F
= 2.5 mA,
power supply output voltage V
2
= 5 V, and bias resistance R
2
current of approximately 1/5 I
F
at 0.5 mA. If
the shunt regulator V
K
= 3 V, the following values are found.
R
1
=5V
–
1.05V
–
3V
2.5mA + 0.5mA
R
2
=1.05V
0.5mA
= 316(
) (330
from E24 series)
= 2.1(k
) (2.2k
from E24 series)
Next, assume that R
3
= R
4
= 10 k
. This gives a 5 V output. If R
5
= 3.3 k
and C
1
= 0.022
μ
F, the
following values are found.
G
2
= 3.3 k
/ 10 k
= 0.33 times (
–
10 dB)
f
1
= 1 / (2
×
π
×
0.022
μ
F
×
316
×
10 k
) = 2.3 (Hz)
f
2
= 1 / (2
×
π
×
0.022
μ
F
×
3.3 k
) = 2.2 (kHz)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HA17431H | Shunt Regulator |
| HA17431HLP | Shunt Regulator |
| HA17431HLTP | Shunt Regulator |
| HA17431HP | Shunt Regulator |
| HA17431HUP | Shunt Regulator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HA17432HLTP | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Shunt Regulator |
| HA17432HUP | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Shunt Regulator |
| HA17432HUP-E | 制造商:Renesas Electronics Corporation 功能描述:Power Sup,Shunt Req.,Vka=36V,Vref=2.500V |
| HA17432UA | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Shunt Regulato |
| HA17432UA-E | 制造商:Renesas Electronics Corporation 功能描述:Power Sup,Shunt Req.,Vka=40V,Vref=2.495V |
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