The TPS53015 is a single, adaptive on-time D-CAP2 mode synchronous buck controller. The TPS53015 enables system designers to complete the suite of various end equipment's power bus regulators with cost effective low external component count and low standby current solution. The main control loop for the TPS53015 uses the D-CAP2 mode control which provides a very fast transient response with no external compensation components. The Adaptive on-time control supports seamless transition between PWM mode at higher load condition and Eco-mode operation at light load. Eco-mode allows the TPS53015 to maintain high efficiency during lighter load conditions. The TPS53015 is also able to adapt to both low equivalent series resistance (ESR) output capacitors such as POSCAP or SP-CAP and ultra-low ESR ceramic capacitors. The device provides convenient and efficient operation with input voltages from 4.5 V to 28 V and output voltage from 0.77 V to 7.0 V.
The TPS53015 is available in the 3.0mm x 3.0 mm 10-pin VSSOP (DGS) package, and is
specified for an ambient temperature range of –40°C to 85°C.
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