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VIPER26K Datasheet(PDF) 1 Page - STMicroelectronics |
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VIPER26K Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 28 page  This is information on a product in full production. May 2019 DS12978 Rev 1 1/28 VIPER26K 1050 V high voltage converter for ultra-wide input Datasheet - production data Features 1050 V avalanche-rugged power MOSFET allowing ultra-wide VAC input range to be covered Embedded HV startup and sense-FET Current mode PWM controller Drain current limit protection: -500 mA (VIPER265K) -700 mA (VIPER267K) Jittered switching frequency reduces the EMI filter cost: 60 kHz ± 4kHz Standby power < 30 mW at 230 VAC Embedded E/A with 3.3 V reference Safe auto-restart after a fault condition Hysteretic thermal shutdown Built-in soft-start for improved system reliability Applications SMPS for energy metering Auxiliary power supplies for 3-phase input industrial systems LED lighting Air conditioning Description The device is a high voltage converter smartly integrating a 1050 V avalanche-rugged power section, with a PWM current mode control. The 1050 V-BV power MOSFET allows to extend input voltage range, and reduce the size of the DRAIN snubber circuit. This IC meets the most stringent energy-saving standards as it has very low consumption and operates in burst mode under light load. The integrated HV startup, sense-FET, error amplifier and oscillator with jitter allow a complete application to be designed with the minimum number of components. The VIPer26K supports the most common SMPS topologies such as: isolated flyback with optocoupler, primary-side regulation, non-isolated flyback with resistive feedback, buck, and buck boost. www.st.com |
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