The TPSM82480 is a synchronous step-down DC-DC converter module for low profile
point-of-load power supplies. The input voltage range of 2.4 to 5.5 V enables operation from
typical 3.3-V or 5-V interface supplies as well as from backup circuits dropping down as low as 2.4
The output current is up to 6 A continuously provided by two phases of 3 A each. These
run out-of-phase, reducing pulse current noise significantly.
The TPSM82480 provides automatically entered power save modes to maintain high efficiency
down to very light loads. This incorporates an automatic phase adding and shedding feature using
both or only one phase according to the actual load. The pulse skip mode for very light loads can
be switched off by using the MODE feature.
The device features a Power Good signal and an adjustable soft start. Also, the device
features a Thermal Good signal to detect excessive internal temperature. The output voltage can be
changed to a preselected value by VSEL pin. TPSM82480 is able to operate in 100% duty cycle
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