The TPS54383 and TPS54386 are dual output, non-synchronous buck converters capable of
supporting 3-A output applications that operate from a 4.5-V to 28-V input supply voltage, and
require output voltages between 0.8 V and 90% of the input voltage.
With an internally-determined operating frequency, soft-start time, and control loop
compensation, these converters provide many features with a minimum of external components. Channel
1 overcurrent protection is set at 4.5 A, while Channel 2 overcurrent protection level is selected
by connecting a pin to ground, to BP, or left floating. The setting levels are used to allow for
scaling of external components for applications that do not need the full load capability of both
outputs.
The outputs may be enabled independently, or may be configured to allow either
ratio-metric or sequential startup sequencing. Additionally, the two outputs may be powered from
different sources.
The TPS54383 and TPS54386 are dual output, non-synchronous buck converters capable of
supporting 3-A output applications that operate from a 4.5-V to 28-V input supply voltage, and
require output voltages between 0.8 V and 90% of the input voltage.
With an internally-determined operating frequency, soft-start time, and control loop
compensation, these converters provide many features with a minimum of external components. Channel
1 overcurrent protection is set at 4.5 A, while Channel 2 overcurrent protection level is selected
by connecting a pin to ground, to BP, or left floating. The setting levels are used to allow for
scaling of external components for applications that do not need the full load capability of both
outputs.
The outputs may be enabled independently, or may be configured to allow either
ratio-metric or sequential startup sequencing. Additionally, the two outputs may be powered from
different sources.