The TPS62480 is a synchronous 2-phase step-down DC-DC converter 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
V. The output current is up to 6 A continuously provided by two phases of 3 A each, allowing the
use of low-profile external components. Both the rails are running out of phase, reducing pulse
current noise significantly.
The TPS62480 provides an automatically entered power save mode 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 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. TPS62480 is able to operate in 100% duty cycle
The TPS62480 is packaged in a small 3 × 2.5 mm HotRod package (RNC).
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