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L6739 датащи(PDF) 6 Page - STMicroelectronics |
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L6739 датащи(HTML) 6 Page - STMicroelectronics |
6 / 30 page Connection diagram and pin description L6739 6/30 DocID026384 Rev 1 2 Connection diagram and pin description Figure 4. Pin connections (top view) 2.1 Pin description Table 2. Pin descriptions Pin no. Name Function 1 VCCDR Drivers section power supply. Filter with 1 F MLCC to GND. 2LGATE Low-side driver output. Connect directly to the low-side MOSFET gate. A small series resistor can be useful to reduce dissipated power especially in high frequency applications. 3 PHASE High-side driver return path. Connect to the high-side MOSFET source. This pin is also monitored for the adaptive deadtime management. 4BOOT High-side driver supply. This pin supplies the high-side floating driver. Connect through the CBOOT capacitor to the PHASE pin. The pin is internally connected through a switch to the VCCDR pin. See Section 8 on page 17 for guidance in designing the capacitor value. 5UGATE High-side driver output. Connect to high-side MOSFET gate. A small series resistor may help in reducing the PHASE pin negative spike as well as cooling the device. 6 PGOOD Power Good. It is an open-drain output set free after SS (with 3x clock cycle delay) as long as the out- put voltage monitored through VSEN is within specifications. Pull-up to 3.3 V (typ.) or lower, if not used it can be left floating. 7EN Enable pin. Pull-high to < 5 V to enable conversion, 10 A pull-down provided. |
Аналогичный номер детали - L6739 |
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Аналогичное описание - L6739 |
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