參數(shù)資料
型號: R2A20111SPW0
廠商: Renesas Technology Corp.
元件分類: 基準電壓源/電流源
英文描述: Power Factor Correction Controller IC
中文描述: 功率因數(shù)校正控制芯片
文件頁數(shù): 14/41頁
文件大?。?/td> 310K
代理商: R2A20111SPW0
R2A20111SP/DD
REJ03F0231-0100 Rev.1.00 Mar 28, 2007
Page 14 of 40
Description of Functions
1. UVL Circuit
The UVL circuit monitors the Vcc voltage. When the voltage is lower than 9.0 V, the IC is stopped. When the voltage
is higher than 10.5 V, the IC is started.
When operation of the IC is stopped by the UVL circuit, the driver circuit output is fixed low, and output of VREF and
the oscillator are stopped.
VREF
VCC
10.5V (VH)
5V
4.0V
CT
CAO
9V (VL)
OUT
Figure 1 UVL Operation
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