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參數(shù)資料
| 型號： | HA17432HLTP |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Shunt Regulator |
| 中文描述： | 并聯(lián)穩(wěn)壓器 |
| 文件頁數(shù)： | 10/15頁 |
| 文件大?。?/td> | 146K |
| 代理商： | HA17432HLTP |
HA17431H Series
Rev.0, Sep. 2001, page 10 of 15
AC characteristic determination:
This refers to the determination of the gain frequency characteristic of
the shunt regulator as an error amplifier. Taking the configuration in figure 2, the error amplifier
characteristic is as shown in figure 3.
When R
5
= 0
f
OSC
Frequency f (Hz)
* f
OSC
: PWM switching frequency
When R
5
≠
0
G
1
f
1
f
AC
f
2
G
2
G
Figure 3 HA17431H Error Amplification Characteristic
In Figure 3, the following formulas are obtained:
Gain
G
1
= G
0
≈
50 dB to 60 dB (determined by shunt regulator)
G
2
=R
5
R
3
Corner frequencies
f
1
= 1/(2
π
C
1
G
0
R
3
)
f
2
= 1/(2
π
C
1
R
5
)
G
0
is the shunt regulator open-loop gain; this is given by the reciprocal of the reference voltage fluctuation
Vref/
V
KA
, and is approximately 50 dB.
相關PDF資料 |
PDF描述 |
|---|---|
| HA17432HUP | Shunt Regulator |
| 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. |
| HA17432VLTP | Regarding the change of names mentioned in the document, such as Hitachi Electric and Hitachi XX, to Renesas Technology Corp. |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| HA17432HUP | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Shunt Regulator |
| 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 |
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