Infineon Technologies announces fifth generation of CoolSET power ICs
The fifth generation of the quasi-resonant flyback controller and integrated power IC CoolSET family will be released next month by Infineon Technologies.
The fifth generation of the standalone, quasi-resonant flyback controller and integrated power IC family offers improved efficiency, faster start-up, and better overall performance under varying load conditions, says Infineon. The CoolSET ICs are especially designed for AC/DC switch mode power supplies (SMPS) in a variety of applications such as aux power for home appliances, server, and industrial SMPS.
The latest 700 and 800V CoolMOS P7 families are integrated with a fifth generation controller into a single package. The newly implemented cascode configuration for the high voltage MOSFET (metal–oxide–semiconductor field-effect transistor), combined with the internal current regulator provides fast start-up, says Infineon. Light load performance is optimised through an Active Burst Mode (ABM) with selectable entry/exit thresholds.
The design of the CoolSET ICs incorporates new algorithms to minimise the switching frequency spread between different line conditions and to simplify EMI filter design. Device protection includes input over-voltage protection, brown in/out, pin short to ground, and over-temperature protection with hysteresis. All protection features are implemented with auto-restart to minimise any interruption to operation.
The complete fifth generation quasi-resonant controller and CoolSET product portfolio is available from May 2017. The controller can be ordered in an surface mount package (DSO-8), and CoolSET in both surface mount (DSO-12) and through-hole (DIP-7) packages.
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