TPS54316PWPRG4

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The TPS54316PWPRG4 is a synchronous DC-DC buck converter that is ideally suited for applications requiring a wideV IN range (4.5V to 18V). The device uses the latest synchronous rectifier technology, allowing fixed frequency current mode operation for excellent transient response and low noise. Output voltage programmability, internal loop compensation and a small 10-pin WDFN package provide a complete solution for small power requirements.

Application Field

The TPS54316PWPRG4 is ideal for space-constrained applications requiring up to 1A of output current. It is well-suited for applications in automotive infotainment systems, industrial systems and point-of-load regulation such as FPGAs, DSPs, microprocessors and ASICs.

Working Principle

The TPS54316PWPRG4 employs a synchronous buck converter topology. An internal high-side and low-side power MOSFETs switch at a fixed frequency, which is programmed with external components. This fixed frequency current mode operation makes the device easy to use and minimizes the size of external components.

The TPS54316PWPRG4 includes features such as adjustable output voltage, current limit, under voltage lockout, input voltage regulation and power good indicator. The device also includes protection features such as soft-start, hiccup mode over current protection and overtemperature shutdown.

The TPS54316PWPRG4 also includes a wide range of output voltages from 0.6V to 5V and power up sequencing. Other features include a power good indicator, low output voltage ripple, adjustable switching frequency, and high efficiency operation.

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