參數(shù)資料
型號(hào)： HA17431PA
廠商： Hitachi,Ltd.
英文描述： 250000 SYSTEM GATE 1.5 VOLT FPGA
中文描述： 高精度變并聯(lián)穩(wěn)壓器
文件頁(yè)數(shù)： 21/26頁(yè)
文件大?。?/td> 236K
代理商： HA17431PA
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
HA17431VLP 250000 SYSTEM GATE 1.5 VOLT FPGA
HA17431VP Regarding the change of names mentioned in the document, such as Hitachi Electric and Hitachi XX, to Renesas Technology Corp.
HA17431UA Regarding the change of names mentioned in the document, such as Hitachi Electric and Hitachi XX, to Renesas Technology Corp.
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
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HA17431PA-E 制造商:Renesas Electronics 功能描述:Precision Bulk 制造商:Renesas 功能描述:V-Ref Adjustable 150mA 3-Pin TO-92 Mod
HA17431PAJ 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC
HA17431PA-TZ-E 制造商:Renesas Electronics Corporation 功能描述:Power Sup,Shunt Req.,Vka=40V,Vref=2.495V
HA17431P-E 制造商:Renesas Electronics 功能描述:Adjustable Bulk
HA17431PJ 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Shunt Regulator
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