Datasheet

VCC/VINDCDC1
DCDC1_EN
VDCDC1
1.225V
1.225V
1.225V
TPS65023, TPS65023B
www.ti.com SLVS670J –JUNE 2006– REVISED SEPTEMBER 2011
Typical Configuration for the Texas Instruments® TMS320DM644x DaVinci Processors
Reset Condition of DCDC1
If DEFDCDC1 is connected to ground and DCDC1_EN is pulled high after VINDCDC1 is applied, the output
voltage of DCDC1 defaults to 1.225V instead of 1.2V (high by 2%). Figure 37 illustrates the problem.
Figure 37. Default DCDC1
Workaround 1: Tie DCDC1_EN to VINDCDC1 (Figure 38)
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Product Folder Link(s) :TPS65023 TPS65023B