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L6599N Folha de dados(PDF) 6 Page - STMicroelectronics |
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L6599N Folha de dados(HTML) 6 Page - STMicroelectronics |
6 / 36 page Typical system block diagram L6599 6/36 3 Typical system block diagram Figure 2. Typical system block diagram 11 LVG Low-side gate-drive output. The driver is capable of 0.3A min. source and 0.8A min. sink peak current to drive the lower MOSFET of the half-bridge leg. The pin is actively pulled to GND during UVLO. 12 VCC Supply Voltage of both the signal part of the IC and the low-side gate driver. Sometimes a small bypass capacitor (0.1µF typ.) to GND might be useful to get a clean bias voltage for the signal part of the IC. 13 N.C. High-voltage spacer. The pin is not internally connected to isolate the high-voltage pin and ease compliance with safety regulations (creepage distance) on the PCB. 14 OUT High-side gate-drive floating ground. Current return for the high-side gate-drive current. Layout carefully the connection of this pin to avoid too large spikes below ground. 15 HVG High-side floating gate-drive output. The driver is capable of 0.3A min. source and 0.8A min. sink peak current to drive the upper MOSFET of the half-bridge leg. A resistor internally connected to pin 14 (OUT) ensures that the pin is not floating during UVLO. 16 VBOOT High-side gate-drive floating supply Voltage. The bootstrap capacitor connected between this pin and pin 14 (OUT) is fed by an internal synchronous bootstrap diode driven in-phase with the low-side gate-drive. This patented structure replaces the normally used external diode. Table 1. Pin functions |
Nº de peça semelhante - L6599N |
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Descrição semelhante - L6599N |
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