參數(shù)資料
型號: IRP2166
廠商: International Rectifier
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: PFC & BALLAST CONTROL IC
中文描述: 功率因數(shù)校正
文件頁數(shù): 29/32頁
文件大?。?/td> 616K
代理商: IRP2166
IR2166 & (PbF)
www.irf.com
29
Step 5: Program Maximum Ignition Current
The maximum ignition current is programmed
with the external resistor RCS and an internal
threshold of 1.3 volts. This threshold determines
the over-current limit of the ballast, which can
be exceeded when the frequency ramps down
towards resonance during ignition and the lamp
does not ignite. The maximum ignition current
is given as:
CS
IGN
R
I
3
=
[Amps Peak] (9)
or
IGN
CS
I
R
3
=
[Ohms] (10)
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