Synchronous step-down converter with output accuracy
The TPS6282x from Texas Instruments is an easy-to-use synchronous step-down DC/DC converter family with a very low quiescent current of only 4µA. Based on the DCS-Control topology, it provides a fast transient response. The internal reference allows to regulate the output voltage down to 0.6V with a high feedback voltage accuracy of one percent over the junction temperature range of -40 to +125°C.
The whole pin-to-pin and BOM-to-BOM compatible device family can be used with a small 470-nH inductor to deliver a scalable two to four amp power supply solution.
The TPS6282x includes an automatically entered power save mode to maintain high efficiency down to very light loads for extending the system battery run-time. The device features a Power Good signal and an internal soft start circuit. It is able to operate in 100% mode.
For fault protection, it incorporates a HICCUP short circuit protection as well as a thermal shutdown. The device is available in a six-pin 1.5x1.5mm QFN package, offering the highest power density solution.
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