TDA21320 Datasheet, PDF (6/36 Pages) Infineon Technologies AG – Desktop and Server Vcore and non-Vcore buck-converter

TDA21320
Description
Table 3
Power Supply
Pin No.
Name Pin Type
13 – 15, 20, VIN
23-28 (pads)
POWER
21
VDRV POWER
22
VCIN POWER
Function
Input voltage
Converter input voltage (connected to drain of the high-side MOSFET and
driver)
MOSFET gate drive supply voltage
High and low-side gate drive
Driver logic supply voltage
bias voltage for the internal logic
Table 4
Pin No.
1
Ground Pins
Name Pin Type
CGND GND
16 – 19,
PGND GND
29-32 (pads)
Function
Control signal ground
Should be connected to local PGND externally, preferably by vias to GND
plane
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
6, 10, 11, 12 NC
–
Function
No internal connection
Leave pin floating, tie to VIN or GND.
Data Sheet
6
Revision 2.4, 2015-07-16