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TDA21321 Datasheet(PDF) 6 Page - Infineon Technologies AG |
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TDA21321 Datasheet(HTML) 6 Page - Infineon Technologies AG |
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6 / 32 page  TDA21321 Description Data Sheet 6 Revision 2.4, 2015-07-16 Table 3 Power Supply Pin No. Name Pin Type Function 13 – 15, 20, 23-28 (pads) VIN POWER Input voltage Converter input voltage (connected to drain of the high-side MOSFET and driver) 21 VDRV POWER MOSFET gate drive supply voltage High and low-side gate drive 22 VCIN POWER Driver logic supply voltage bias voltage for the internal logic Table 4 Ground Pins Pin No. Name Pin Type Function 1 CGND GND Control signal ground Should be connected to local PGND externally, preferably by vias to GND plane 16 – 19, 29-32 (pads) PGND GND Power ground All these pins must be connected to the power GND plane through multiple low inductance vias. Table 5 Not Connected Pin No. Name Pin Type Function 6, 10, 11, 12 NC – No internal connection Leave pin floating, tie to VIN or GND. |
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