TPS61004DGS

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DC-DC switching regulators are an important type of DC power supply to ensure the efficient conversion of DC input voltage to DC output voltage. The TPS61004DGS is a synchronous step-down DC-DC converter, that can deliver a fast dynamic and high level of power performance with a wide input voltage. It is the perfect choice for LED and backlight applications.

Application Field of TPS61004DGS

The TPS61004DGS is designed to meet all the power supply requirements of LED and backlight applications, such as powering large panel displays, CFL and LED lamps, projectors and small TV sets. Its fast dynamic response and wide input voltage range make it ideal for medium and high power applications.

Working Principle of TPS61004DGS

The TPS61004DGS operates on the principle of synchronous buck switching. It has an internal voltage feedback loop, with a high-precision voltage divider and one or two output channels with integrated power switches. It has a wide input voltage range from 5 V to 32 V and offers short turn-on times and excellent response to load transients.

The device has an adaptive pulse-frequency-modulation (APFM) control architecture, which helps to improve efficiency and reduce EMI noise. When the input voltage changes, the operating frequency of the switch also automatically adjusts, to maintain regulated output voltage without having to reduce the output current. It also has an adjustable switching frequency up to 1.2 MHz and an integrated low-side MOSFET driver.

The TPS61004DGS is designed with built-in thermal protection, which helps to prevent overheating. It has a wide selection of package types and output current ratings, making it ideal for applications with diverse power requirements.

Conclusion

The TPS61004DGS is a synchronous step-down DC-DC converter, perfect for LED and backlight applications. It has a wide operating voltage range, fast dynamic response and adaptive pulse-frequency-modulation (APFM) control architecture. The device has an integrated low-side MOSFET driver and built-in thermal protection for added safety. It is optimal for applications with diverse power requirements and can deliver a consistent output voltage with a high efficiency level.

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