A semiconductor chip comprises low voltage complementary metal oxide
semiconductor (CMOS) sectors and high voltage lateral double diffused
metal oxide semiconductor (LDMOS) sectors and at least one transistor
within at least one of the low voltage CMOS sectors. The transistor has a
semiconducting channel region within a substrate. A gate conductor is
above the top layer of substrate, and the gate conductor is positioned
above the channel region. A source/drain region is included in the
substrate on a first side of the gate conductor and a lateral
source/drain region is included in the substrate on a second side of the
gate conductor opposite the first side. The lateral source/drain region
is positioned a greater distance from the gate conductor than the
source/drain region is positioned from the gate conductor. The
embodiments herein also include a source/drain ballast resistor in the
substrate between the lateral source/drain region and the gate conductor.