參數(shù)資料
型號(hào)： HA17431VLP
廠商： Hitachi,Ltd.
英文描述： 250000 SYSTEM GATE 1.5 VOLT FPGA
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： HA17431VLP
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
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.
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HA17431H Shunt Regulator
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HA17431VLP-E 制造商:Renesas Electronics Corporation 功能描述:IC, HA17431VLP-E
HA17431VLPEL-E 制造商:Renesas Electronics 功能描述:Bulk 制造商:Renesas Electronics Corporation 功能描述:Shunt Regulator,2.500V 1%,50mA,MPAK-5V
HA17431VLTP 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.
HA17431VLTP-E 制造商:Renesas Electronics Corporation 功能描述:Power Sup,Shunt Req.,Vka=16V,Vref=2.500V
HA17431VP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Shunt Regulato
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