參數(shù)資料
型號: ICE1QS01
廠商: INFINEON TECHNOLOGIES AG
元件分類: 基準電壓源/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: 控制器開關電源支持低功耗待機和功率因數(shù)校正(PFC物料供應)
文件頁數(shù): 6/21頁
文件大小: 484K
代理商: ICE1QS01
ICE1QS01
Version 1.4
6 27 Apr 2004
Functional Description
Start up
An internal start up diode is connected between pin PCS and pin V
CC
. Start up current is provided
via this diode if V
PCS
is higher than V
CC
+ V
BE
(V
BE
= Base-Emitter-Voltage).
During start up the internal reference of the IC is shut off and current consumption is about 60 μA.
There is only the start up circuitry working which determines the V
CCon
threshold. Gate driver OUT
is switched to low. An active shut down circuitry ensures that OUT is held below the MOS gate
threshold when the IC is in start up mode.
Block Diagram: Start Up
PCS
UVLO
ICE1QS01
VCC
OUT
相關PDF資料
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