- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄370419 > HA17431H (Hitachi,Ltd.) Shunt Regulator PDF資料下載
參數(shù)資料
| 型號： | HA17431H |
| 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： | HA17431H |
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(guān)PDF資料 |
PDF描述 |
|---|---|
| HA17431HLP | Shunt Regulator |
| HA17431HLTP | Shunt Regulator |
| HA17431HP | Shunt Regulator |
| HA17431HUP | Shunt Regulator |
| HA17432HLTP | Shunt Regulator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HA17431HLP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Shunt Regulator |
| HA17431HLP(EL) | 制造商:Renesas Electronics 功能描述:Cut Tape |
| HA17431HLPEL-E | 制造商:Renesas Electronics 功能描述:Cut Tape 制造商:Renesas 功能描述:V-Ref Adjustable 50mA 5-Pin MPAK T/R |
| HA17431HLTP | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Shunt Regulator |
| HA17431HLTP-E | 制造商:Renesas Electronics Corporation 功能描述:Power Sup,Shunt Req.,Vka=36V,Vref=2.500V |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。