UBA2030T
Full bridge driver IC
FEATURES
Full bridge driver
Integrated bootstrap diodes
Integrated high voltage level shift function
High voltage input (570 V maximum) for the internal
supply
Adjustable ‘dead time’
Adjustable oscillator frequency
High voltage level shifter for the bridge enable function
Shut-down function.
APPLICATIONS
The UBA2030T can drive the MOSFETs in any type of
load configured as a full bridge
The circuit is intended as a commutator for High
Intensity Discharge (HID) lamps.
GENERAL DESCRIPTION
The UBA2030T is a high voltage integrated circuit
fabricated using the BCD750 power logic process.
The circuit is designed for driving the MOSFETs in a full
bridge configuration. In addition, it features a shut-down
function, an adjustable oscillator and a PMOS high voltage
level shifter to control the bridge enable function.
To guarantee an accurate 50% duty factor, the oscillator
signal passes through a divider before being fed to the
output drivers.
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