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The TPS53125 is a dual, adapTIve on-TIme D-CAP2 mode synchronous buck controller. The part enables system designers to cost effecTIvely complete the suite of various end equipment’s power bus regulators with a low external component count and low standby consumpTIon. The main control loop for the TPS53125 uses the D-CAP2 Mode topology which provides a very fast transient response with no external component.
The TPS53125 also has a proprietary circuit that enables the device to adapt not only low equivalent series resistance (ESR) output capacitors such as POSCAP/SP-CAP, but also ceramic capacitor. The part provides a convenient and efficient operation with conversion voltages from 4.5 V to 24 V and output voltage from 0.