The LTM®4653 is an ultralow noise 58V, 4A DC/DC stepdown μModule® regulator designed to meet the radiated
emissions requirements of EN55022. Conducted emission requirements can be met by adding standard filter
components. Included in the package are the switching controller, power MOSFETs, inductor, filters and
support components.
Operating over an input voltage range of 3.1V to 58V, the
LTM4653 supports an output voltage range of 0.5V to
94% of VIN, and a switching frequency range of 250kHz
to 3MHz (400kHz default), each set by a single resistor.
For high load currents, the LTM4653 can be paralleled in
PolyPhase® operation and synchronized to an external
clock. Only the bulk input and output filter capacitors are
needed to finish the design.
The LTM4653 is offered in a 15mm × 9mm × 5.01mm BGA
package with SnPb or RoHS compliant terminal finish.
