參數(shù)資料
型號(hào)： HA17431UA
廠商： Hitachi,Ltd.
英文描述： Regarding the change of names mentioned in the document, such as Hitachi Electric and Hitachi XX, to Renesas Technology Corp.
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(yè)數(shù)： 21/26頁(yè)
文件大?。?/td> 236K
代理商： HA17431UA
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
HA17431UPA Regarding the change of names mentioned in the document, such as Hitachi Electric and Hitachi XX, to Renesas Technology Corp.
HA17431VUP 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
HA17431H Shunt Regulator
HA17431HLP Shunt Regulator
HA17431HLTP Shunt Regulator
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HA17431UA-E 制造商:Renesas Electronics Corporation 功能描述:HA17431UA-E
HA17431UA-TL 制造商:Hitachi 功能描述:Voltage Regulator, Adjustable, +2.5 TO +40V, Bi-Polar, 3 Pin, Plastic, TO-243
HA17431UA-TL-E 制造商:Renesas Electronics 功能描述:Precision Cut Tape 制造商:Renesas Electronics Corporation 功能描述:Shunt Regulator,2.495V 2.2%,150mA,UPAKV 制造商:Renesas 功能描述:V-Ref Adjustable 150mA 4-Pin(3+Tab) UPAKV
HA17431UPA 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Regarding the change of names mentioned in the document, such as Hitachi Electric and Hitachi XX, to Renesas Technology Corp.
HA17431VLP 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Regarding the change of names mentioned in the document, such as Hitachi Electric and Hitachi XX, to Renesas Technology Corp.
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