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參數(shù)資料
| 型號： | ICE1QS01G |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Controller for Switch Mode Power Supplies Supporting Low Power Standby and Power Factor Correction (PFC) |
| 中文描述： | 控制器開關(guān)電源支持低功耗待機(jī)和功率因數(shù)校正（PFC物料供應(yīng)） |
| 文件頁數(shù)： | 9/21頁 |
| 文件大?。?/td> | 484K |
| 代理商： | ICE1QS01G |
ICE1QS01
Version 1.4
9
27
Apr 2004
Ringing suppression
When V
PCS
reaches the feedback voltage V
SRC
the gate drive OUT is set to low and the ringing
suppression timer is started. This timer ensures that the gate drive cannot be switched on until this
ringing suppression time is passed. Duration of ringing suppression time depends on the V
RZI
volt-
age. Suppression time is 3 μsec if V
RZI
> 1V and it is 30 μsec if V
RZI
< 1V.
Figure: Ringing Suppression
VRZI
OUT
ringing
suppression
time
1V
30 us
3 μs
up-down-counter
=1
up-down-counter
=1
VSRC
VPCS
1.5V
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