參數資料
型號： HA17432HUP
廠商： Hitachi,Ltd.
英文描述： Shunt Regulator
中文描述： 并聯穩(wěn)壓器
文件頁數： 8/15頁
文件大?。?/td> 146K
代理商： HA17432HUP
HA17431H Series
Rev.0, Sep. 2001, page 8 of 15
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 HA17431H
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 HA17431H cathode current is also
superimposed on I
L
.
The requirement in this circuit is that the cathode
current must be greater than Imin = 0.2 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 HA17431H cathode
current is not superimposed on I
, so that I
can be kept
small (0.2 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PDF資料
PDF描述
HA17432VUP Regarding the change of names mentioned in the document, such as Hitachi Electric and Hitachi XX, to Renesas Technology Corp.
HA17432UA 250000 SYSTEM GATE 1.5 VOLT FPGA
HA17432UPA Regarding the change of names mentioned in the document, such as Hitachi Electric and Hitachi XX, to Renesas Technology Corp.
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相關代理商/技術參數
參數描述
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
HA17432UPA 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:High-Precision Variable Shunt Regulators
HA17432VLTP 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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