产品信息
The LTM®4613 is a complete, ultralow noise, 8A switch
mode DC/DC power supply. Included in the package are the
switching controller, power FETs, inductor and all support
components. Operating over an input voltage range of 5V
to 36V, the LTM4613 supports an output voltage range of
3.3V to 15V, set by a single external resistor. Only bulk
input and output capacitors are needed to finish the design.
High switching frequency and an adaptive on-time current
mode architecture enables a very fast transient response
to line and load changes without sacrificing stability.
The onboard input filter and noise cancellation circuits
achieve low noise coupling, thus effectively reducing
the electromagnetic interference (EMI)—see Figure 7.
Furthermore, the DC/DC μModule® regulator can be synchronized with an external clock to reduce undesirable
frequency harmonics and allow PolyPhase® operation for
high load currents.
The LTM4613 is offered in 15mm × 15mm × 4.32mm
LGA and 15mm × 15mm × 4.92mm BGA packages. The
LTM4613 is available with SnPb (BGA) or RoHS compliant terminal finish.
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