TPS54202DDCT Integrated Circuits (ICs)

Voltage - Input (Max):	28V
Supplier Device Package:	TSOT-23-6
Package / Case:	SOT-23-6 Thin, TSOT-23-6
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	500kHz
Current - Output:	2A
Voltage - Output (Max):	28V
Voltage - Output (Min/Fixed):	0.596V
Series:	Eco-Mode™
Voltage - Input (Min):	4.5V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TPS54202DDCT Application Field and Working Principle

The TPS54202DDCT is a dual-channel synchronous buck converter with an input voltage range of 5.5 V to 20 V and an output voltage of up to 12 V that can deliver up to 3.8 A maximum current output. The device includes both enable and power good logic for control, which allows for simple control and monitoring of the power supply. In addition, the device also includes a built-in Soft-Start circuit and is available in a tiny 3.0 mm × 3.6 mm thermally enhanced TDFN-16 package, which significantly reduces the board space requirement in space constrained designs.This DC-DC regulator is used in a wide range of applications, from small handheld devices, tablet PCs and embedded systems to digital systems, power tools and automotive electronics. It is also ideal for powering digital mixed signal applications such as IEEE 802.11 WLAN and PLCs.The TPS54202DDCT is optimized for use in industrial, medical and military systems, making it one of the most reliable synchronous buck converters available today. The device utilizes a vectored synchronous rectification technique, which provides a high level of efficiency while minimizing the device size and thermal profile. This technology helps reduce the device’s operating temperature during continuous load operations, allowing for longer life and more reliable operation than traditional synchronous buck converters.The TPS54202DDCT utilizes a synchronous buck topology and employs two independent channels, each with its own integrated low-side and high-side MOSFETs. The device includes a unique fast transition circuitry which minimizes feedthrough noise, thereby eliminating lengthy transition delays. The fast transition also enables the regulator to easily handle fast changing loads, such as those encountered in automotive and industrial applications. In addition to its fast transition capability, the device includes an internal soft-start circuit that reduces inrush current during initial start-up.The TPS54202DDCT utilises a voltage-mode control architecture that supports a wide output voltage range and offers a high level of accuracy, which ensures that the current load is properly regulated. By combining the high efficiency of synchronous rectification with the high level of accuracy of the voltage-mode control architecture, the TPS54202DDCT provides a reliable and stable output voltage with minimal switching noise and low EMI signature.In summary, the TPS54202DDCT is a cost-effective, high-performance synchronous buck regulator with an input voltage range of 5.5V to 20V and an output voltage of up to 12V that can deliver up to 3.8A maximum current output. It is designed for industrial, medical and military systems applications, and provides fast response time, high efficiency and high accuracy. It features a built-in soft-start circuit and is available in a small 3.0mm × 3.6mm thermally enhanced TDFN-16 package. The device utilizes a vectored synchronous rectification technique and a voltage-mode control architecture, which provides high efficiency, reliability and low emitted EMI.

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