S-1701D3326-M5T1G

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The S-1701D3326-M5T1G is a low-noise DC-DC buck converter designed to provide precise voltage regulation for power supply systems. It is one of the latest products in the Special Purpose category of Voltage Regulators by PMIC. In this article, we will delve into its application field and working principle.

The S-1701D3326-M5T1G is suitable for applications where high efficiency and stability are necessary such as automotive power supply solutions, notebook PCs, telecommunications equipment and industrial control systems. Its features include low quiescent current, 4.5V to 24V wide input voltage range, low standby current, fast transient response time, output voltage accuracy of ±1%, and high efficiency. With its wide input voltage range, the S-1701D3326-M5T1G is suitable for running from both main DC and battery sources, allowing for seamless transitions between power sources.

The S-1701D3326-M5T1G uses an inner-feedback control loop to adjust the output voltage. The input voltage is monitored by a voltage detector circuit and the result is sent to an analog to digital converter. The converter then sends the signal to the main controller, which receives it and turns the transistor of the buck converter on and off accordingly. The number of cycles per second at which the transistor is switched on and off is proportional to the control signal of the converter.

The output of the transistor is sent to an inductor, which stores energy in its magnetic field. This stored energy is then released in a steady wave when the transistor is switched off, and it is sent through a diode and a filter capacitor to the output. This makes it possible to produce a steady output voltage regardless of the input voltage fluctuation.

The S-1701D3326-M5T1G also features protection circuits to prevent over current and over voltage conditions, as well as a thermal protection to protect from overheating. An integrated soft-start feature helps to reduce inrush current during startup and avoids false triggering of current protection circuits.

In addition, the S-1701D3326-M5T1G has an on-off enable input and PGOOD output for monitoring the converter’s health and for sequencing multiple converters. Its small size and weight make it easy to integrate into space-constrained designs.

Overall, the S-1701D3326-M5T1G DC-DC converter is an excellent choice for powering low-noise, highly efficient and reliable systems. Its features make it perfectly suitable for a wide range of applications, including automotive, telecommunications and industrial control systems.

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