Power IC InnoSwitch4-CZ series

Power IC - InnoSwitch4-CZ series - Power Integrations
Power IC - InnoSwitch4-CZ series - Power Integrations
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Off-Line CV/CC ZVS Flyback Integrated Switcher IC with 750 V PowiGaN, Active Clamp Drive and Synchronous Rectification, Pairs With ClampZero Active Clamp IC The InnoSwitch™4-CZ family of ICs partners with the ClampZero family of active clamp ICs to dramatically improve the efficiency of flyback power converters, particularly those requiring a compact form-factor. The InnoSwitch4-CZ family incorporates primary and secondary controllers and safety-rated feedback into a single IC. The combination of InnoSwitch4-CZ with ClampZero greatly reduces system and primary switch losses, allowing for extremely high power densities. InnoSwitch4-CZ also incorporates multiple protection features including output overvoltage and over-current limiting, and over-temperature shutdown. Devices are available that support the common combinations of latching and auto-restart protection mode required by applications such as chargers, adapters, consumer electronics and industrial systems. Highly Integrated, Compact Footprint Zero voltage switching (ZVS) flyback controller with driver for ClampZeroTM (active clamp IC) Robust 750 V PowiGaNTM primary switch Steady-state switching frequency up to 140 kHz minimizes transformer size Synchronous rectification driver and secondary-side sensing Integrated FluxLinkTM, HIPOT-isolated, feedback link Exceptional CV/CC accuracy, independent of external components Adjustable accurate output current sense using external sense resistor Up to 95% efficient Less than 30 mW no-load consumption including line sense Advanced Protection / Safety Features Open SR FET-gate detection Fast input line UV/OV protection Variable output voltage, constant current profiles

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