产品信息
The LTM®4605 is a high efficiency switching mode buckboost power supply. Included in the package are the
switchingcontroller, powerFETs, andsupportcomponents.
Operating over an input voltage range of 4.5V to 20V, the
LTM4605 supports an output voltage range of 0.8V to
16V, set by a resistor. This high efficiency design delivers
up to 5A continuous current in boost mode (12A in buck
mode). Only the inductor, sense resistor, bulk input and
output capacitors are needed to finish the design.
The lowprofilepackage enablesutilizationofunusedspace
on the bottom of PC boards for high density point of load
regulation. The high switching frequency and current
mode architecture enable a very fast transient response
to line and load changes. The LTM4605 can be frequency
synchronized with an external clock to reduce undesirable
frequency harmonics.
Fault protection features include overvoltage and foldback
current protection. The DC/DC μModule® regulator is offered in a small and thermally enhanced 15mm × 15mm
× 2.8mm LGA package. The LTM4605 is Pb-free and
RoHS compliant.
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