參數(shù)資料
型號: IRU3055
廠商: International Rectifier
英文描述: 5-BIT PROGRAMMABLE 3-PHASE SYNCHRONOUS BUCK CONTROLLER IC
中文描述: 5位可編程3相位同步降壓控制器IC
文件頁數(shù): 17/26頁
文件大?。?/td> 352K
代理商: IRU3055
IRU3055
17
Rev. 1.4
08/13/02
www.irf.com
Figure 14 - 3-Phase inductor current at 60A load,
Ch1, Ch2 and Ch3: 10A/div. Ch4: gate signal.
Figure 15 - Soft-start, Vcore and PGood.
Figure 16 - 60A Dynamic load response with 20A/
μ
s slew rate.
Ch3: Output voltage, 100mV/div, AC.
Ch4: Load current, 20A/us, sensed by 2m
resistor, 25A/div.
Figure 17 - Zoomed 60A Load dynamic (rising).
Ch3: Output voltage, 100mV/div, AC.
Ch4: Load current, 20A/us, sensed by 2m
resistor, 25A/div.
Figure 18 - 60A load dynamic waveforms with three-phase
inductor current.
Ch1, Ch2 and Ch3: Inductor current, 10A/div.
Ch4: Load current, 20A/us, sensed by 2m
resistor, 25A/div.
TEST WAVEFORMS FOR TYPICAL APPLICATION (1)
Figure 19 - 60A load dynamic waveforms with three-phase
inductor current. (Zoomed)
Ch1, Ch2 and Ch3: Inductor current, 10A/div.
Ch4: Load current, 20A/us, sensed by 2m
resistor, 25A/div.
Vss
V
CORE
PGood
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