參數(shù)資料
型號: LM5045SQ
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, 540 kHz SWITCHING FREQ-MAX, QCC28
封裝: 5 X 5 MM, LLP-28
文件頁數(shù): 10/28頁
文件大小: 610K
代理商: LM5045SQ
30145433
FIGURE 7. Pre-Bias Voltage Startup Waveforms
Soft-Stop Off
The Soft-Start Off (SSOFF) pin gives additional flexibility by
allowing the power converter to be configured for hard-stop
during line UVLO and hiccup mode condition. If the SS OFF
pin is pulled up to the 5V REF pin, the power converter hard-
stops in any fault condition. Hard-stop drives each control
output to a low state immediately. Refer to Table 1 for more
details.
30145434
FIGURE 8. Stop-Stop Waveforms during a UVLO Event
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LM5045
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