參數資料
型號: DG-IRMCK203
廠商: International Rectifier
英文描述: Application Developer’s Guide
中文描述: 應用程序開發(fā)指南
文件頁數: 65/67頁
文件大?。?/td> 1680K
代理商: DG-IRMCK203
IRMCK203 Application Developer’s Guide
The duty counter, shown as “TA” in Figure 31, captures/latches the value at the falling edge of IR2175 and reset. Then
the counter waits for the next rising edge to start counting up. The carrier frequency counter (“TB”) captures/latches
the value at the rising edge of IR2175 and is immediately followed by re-counting at each IFB event.
At each IFB event, a multiply/divide operation is performed to cancel the temperature drift error of measurement. The
following is the basic multiply/divide operation:
)
(
Filtered
Calculation starts immediately after the rising edge of the IR2175 signal as shown in Figure 31. This look-ahead
calculation is required to minimize the latency of data availability of the calculation result.
This document is the property of International Rectifier and may not be copied or distributed without expressed consent.
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TB
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TA
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