SiP12116 Reference Design Circuit | Synchronous Buck Regulator Application Circuit

The SiP12116 is a high frequency current mode constant on-time (CM-COT) synchronous buck regulator that integrates high-side and low-side power MOSFETs. This article mainly introduces the SiP12116 features, application range, reference design circuit and circuit analysis to help you shorten the design time.

SiP12116 features: 5V to 15V input voltage; integrated compensation; ultra-fast transient response; power good function

Typical application range of SiP12116: graphics card; set-top box; LCD TV; notebook computer; HDD/SSD

SiP12116 Reference Design Application Circuit:

Figure 1 Internal structure of SiP12116

The SiP12116 is a high frequency current-mode constant on-time (CM-COT) synchronous buck regulator with integrated high-side and low-side power MOSFETs. Its power stage is capable of up up to 3 A continuous current at 600 kHz switching This regulator produces an adjustable output voltage down to 0.6 V from 4.5 V to 15 V input rail to accommodate a variety of applications, including consumer electronics, computing, telecom, and industrial.

Figure 2 SiP12116 reference design

SiP12116"s CM-COT architecture delivers ultrafast transient response and low ripple over the full load range with minimum output capacitance and no ESR requirements. The device features a built in soft start of 2.2 ms and integrated compensation.

SiP12116 Chinese data sheet: Click to download

More schematics and source code popular application circuit: click now

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