參數(shù)資料
型號： 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
文件頁數(shù)： 18/26頁
文件大?。?/td> 236K
代理商： HA17431UA
HA17431 Series
Rev.1, Sep. 2002, page 16 of 24
Application Hints
(cont.)
No.
Application Example
Description
6
Constant voltage regulator circuit
V
CC
R
1
R
2
R
3
Cf
Q
Vout
GND
GND
This is a 3-pin regulator with a discrete configuration, in
which the output voltage
Vout = 2.5 V
×
(R
2
+ R
3
)
R
3
R
is a bias resistance for supplying the HA17431
cathode current and the output transistor Q base
current.
7
Discharge type constant current circuit
GND
V
CC
R
R
S
Q
L
2.5 V
+
–
I
L
This circuit supplies a constant current of
I
L
[A] into the load. Caution is required
2.5 V
R
S
since the HA17431 cathode current is also
superimposed on I
L
.
The requirement in this circuit is that the cathode
current must be greater than Imin = 1 mA. The I
setting therefore must be on the order of several mA or
more.
8
Induction type constant current circuit
GND
V
CC
R
Q
L
2.5 V
+
–
I
L
R
S
In this circuit, the load is connected on the collector
side of transistor Q in circuit 7 above. In this case, the
load floats from GND, but the HA17431 cathode current
is not superimposed on I
, so that I
can be kept small
(1 mA or less is possible). The constant current value
is the same as for circuit 7 above:
I
L
[A]
2.5 V
R
S
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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