參數(shù)資料
型號(hào)： HA17431VP
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(yè)數(shù)： 20/26頁(yè)
文件大?。?/td> 236K
代理商： HA17431VP
HA17431 Series
Rev.1, Sep. 2002, page 18 of 24
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 HA17431 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(guān)PDF資料
PDF描述
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
HA17431H Shunt Regulator
HA17431HLP Shunt Regulator
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HA17431VP(TZ-E) 制造商:Renesas Electronics 功能描述:Precision Cut Tape 制造商:Renesas 功能描述:V-Ref Adjustable 50mA 3-Pin TO-92 T/R
HA17431VPJ 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC
HA17431VP-TZ-E 制造商:Renesas Electronics Corporation 功能描述:Power Sup,Shunt Req.,Vka=16V,Vref=2.500V
HA17431VUP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Shunt Regulato
HA17432HLTP 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Shunt Regulator
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