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參數資料
| 型號： | IR22771STRPBF |
| 廠商： | International Rectifier |
| 文件頁數： | 12/16頁 |
| 文件大小： | 441K |
| 描述： | IC CURRENT SENSE 16SOIC |
| 標準包裝： | 500 |
| 功能： | 電流感應 |
| 輸入電壓： | 8 V ~ 20 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.295"，7.50mm 寬） |
| 供應商設備封裝： | 16-SOIC |
| 包裝： | 帶卷 (TR) |
IR22771S/IR21771S(PbF)
12
www.irf.com
Figure 13: Simplified block diagram
Figure 14: Input filter transfer function (10 kHz PWM)
The second stage samples the result of the first
stage at double Sync frequency. This action can be
used to fully remove the odd harmonics from the
input signal.
To perform this cancellation it is necessary a shift of
90 degrees of the SYNC signal with respect to the
triangular carrier edges (SYNC2).
The following timing diagrams show the principle of
odd harmonics cancellation (Figure 15), in which
SYNC2 allows the sampling of stage 1 output
during odd harmonic zero crossings.
Odd harmonic cancellation using SYNC2 (i.e. 90
degrees shifted SYNC signal) signal will introduce
Tsync/4 additional propagation delay.
Another way to obtain the same result (odd
harmonics cancellation) can be achieved by
controller computing the average of two consecutive
PO results using SYNC1 (SYNC is in this case
aligned to triangular edges, i.e. 0 degree shift).
This method is suitable for most symmetric (center
aligned) PWM schemes.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| IR2277S | 制造商:IRF 制造商全稱:International Rectifier 功能描述:Phase Current Sensor IC for AC motor control |
| IR2277SPBF | 功能描述:馬達/運動/點火控制器和驅動器 1200V PHASE CURRENT SENSING IC RoHS:否 制造商:STMicroelectronics 產品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| IR2277STRPBF | 功能描述:馬達/運動/點火控制器和驅動器 1200VPhs Cur Sens IC for AC Mtr Cntrl RoHS:否 制造商:STMicroelectronics 產品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| IR22GJ | 制造商:SGX Sensortech 功能描述:Series 2 Hydrocarbon IR Sensor with temp. sens IC ( IS for mining), Bulk |
| IR-2-3.3-10 | 制造商:Vishay Dale 功能描述:Inductor, Iron Core, 3.3uh, 10±% |
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