Datasheet

TPS40140
SLUS660H –SEPTEMBER 2005–REVISED JUNE 2013 www.ti.com
6.3.3.2.5 FB1 and FB2 (pin 36 and pin 9)
Both FB1 and FB2 are connected to GND.
6.3.3.2.6 PHSEL (pin 4)
The PHSEL pin is directly tied to GND.
6.3.3.2.7 PGOOD1 & PGOOD2 (pin 30 & pin 15)
Both of PGOOD1 and PGOOD2 are tied to BP5 with a 10-kΩ resistor.
6.3.3.2.8 CLKIO (pin 28)
CLKIO is connected to the master module CLKIO.
6.3.4 Design Example Summary
Figure 6-4, Figure 6-5 and Figure 6-6 shows the schematics of the four phase converter design.
56 DESIGN EXAMPLES Copyright © 2005–2013, Texas Instruments Incorporated
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