NXP Semiconductors
HF full bridge driver IC
FEATURES
? Full bridge driver circuit
? Integrated bootstrap diodes
? Integrated high voltage level shift function
? High voltage input for the internal supply voltage
? 550 V maximum voltage
? Bridge disable function
? Input for start-up delay
? Adjustable oscillator frequency
? Predefined bridge position during start-up.
APPLICATIONS
? The UBA2033 can drive (via the MOSFETs) any kind of
load in a full bridge configuration
? The circuit is especially designed as a commutator for
High Intensity Discharge (HID) lamps.
ORDERING INFORMATION
TYPE
Product specification
UBA2033
GENERAL DESCRIPTION
The UBA2033 is a high voltage monolithic integrated
circuit made in the EZ-HV SOI process. The circuit is
designed for driving the MOSFETs in a full bridge
configuration. In addition, it features a disable function, an
internal adjustable oscillator and an external drive function
with a low-voltage level shifter for driving the bridge.
To guarantee an accurate 50% duty factor, the oscillator
signal can be passed through a divider before being fed to
the output driver.
PACKAGE
NUMBER
UBA2033TS
2002 Oct 08
NAME
SSOP28
DESCRIPTION
plastic shrink small outline package; 28 leads; body width 5.3 mm
2
VERSION
SOT341-1
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