Infineon Unveils 12 A and 20 A Synchronous Buck Regulator Family for DC-DC POL Applications with Fast COT Architecture

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Infineon's New TDA388xx Series

Infineon Technologies AG (FSE: IFX / OTCQX: IFNNY) unveils the TDA388xx family while addressing the pressing need for highly efficient and compact regulators in modern power systems. Specifically designed for the server, AI, datacom, telecom, and storage markets, these synchronous buck regulators, available in 12 A and 20 A variants, employ a fast constant on-time (COT) control scheme to elevate performance.

Infineon Technologies AG, a global semiconductor leader in power systems and IoT, propels decarbonization and digitalization with its innovative products and solutions. With approximately 58,600 employees worldwide and a revenue of about €16.3 billion in the 2023 fiscal year (ending September 30), Infineon is listed on the Frankfurt Stock Exchange (ticker symbol: IFX) and the OTCQX International over-the-counter market in the USA (ticker symbol: IFNNY).

The innovative approach ensures swift transient response, reduces passive component count, and optimizes board space utilization. Operating over an extensive input voltage range from 4.0 V to 16 V, with the added capability of an external bias supply, Infineon’s latest regulators mark a substantial advancement in power system efficiency and compactness.

The TDA388xx family comprises four buck regulators – TDA38812, TDA38813, TDA38825, and TDA38826. Distinguished by internal compensation, this family streamlines usability, minimizing the dependence on external components. Its versatile design accommodates a range of applications, offering selectable switching frequencies and a soft-start functionality. Programmable current limits enable precise control, supporting both fixed frequency continuous conduction mode (FCCM) and discontinuous conduction mode (DCM). External reference input for voltage tracking enhances adaptability to varying power system requirements, collectively contributing to the family’s flexibility and efficiency.

Key to the TDA388xx series is its comprehensive built-in protection features, ensuring system safety during fault conditions. With pre-bias startup and thermally compensated current limiting, the series offers robust safeguards. Overvoltage protection (OVP) and undervoltage protection (UVP) are integral to the regulators, accompanied by thermal shutdown for enhanced safety. Housed in a ROHS-compliant QFN-21 package and operable within a temperature range of -40 to 125°C, the TDA38825/26/12/13 stand out as the ideal choice for demanding power system environments. The TDA388xx family is now available in a standard QFN-21 (3 mm x 4 mm) package. Orders can be placed immediately, and additional information is accessible at Infineon Integrated POL Voltage Regulators.

Infineon’s TDA388xx family emerges as a game-changer in the realm of power systems, addressing the critical demand for compact and highly efficient regulators. Tailored for diverse applications in server, AI, datacom, telecom, and storage markets, these synchronous buck regulators showcase cutting-edge features, such as fast constant on-time (COT) control, ensuring rapid response and optimal board space utilization. With robust built-in protection mechanisms and a versatile design, the TDA388xx series sets a new standard for adaptability and efficiency in power system environments. Infineon’s commitment to advancing power system technology is evident, making these regulators a noteworthy choice for industry professionals.

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