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Home » NEWEST Products » New by Manufacturer » STMicroelectronics » STEVAL-ISA153V1 VIPER38LE Evaluation Board - STM
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STMicroelectronics STEVAL-ISA153V1 VIPER38LE Evaluation Board

STMicroelectronics STEVAL-ISA153V1
VIPER38LE Evaluation Board

STMicroelectronics STEVAL-ISA153V1 VIPER38LE Evaluation Board implements a 12V/1.25A, 15W (20W peak) isolated flyback wide-range mains developed for general-purpose applications. The core of the application is the VIPER38LE, the latest offline converter from the VIPerPlus family. The device is a high-voltage converter that smartly integrates an 800V rugged power MOSFET with PWM current-mode control. The device features an adjustable extra power timer (EPT) that enables the IC to sustain overload conditions for a few seconds. The main characteristics of the evaluation board are its small size and minimal BOM, high efficiency and low standby consumption. Extremely low consumption under no-load conditions is ensured thanks to burst mode operation which reduces the average switching frequency and minimizes all frequency-related losses.

Features
  • Universal input mains range: 90 - 265VAC; frequency: 50 - 60Hz
  • Output voltage/current: 12V/1.25A (1.65A peak)
  • Very compact size
  • Standby mains consumption: lower than 30mW at 230VAC

  • Minimum active mode efficiency: 81.55%
  • Minimum active mode at 10% load efficiency: 71.55%
  • EMI in accordance with EN55022-Class-B
  • RoHS compliant
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