Description
The STEVAL-ISA135V1 is a 12 V - 4 W power supply in isolated flyback topology based on the VIPer06HS, a new offline high voltage converter having, as main features: 800 V avalanche rugged power section, PWM operation at 115 kHz with frequency jittering for lower EMI, cycleby-cycle current limit with adjustable set point, on-board soft-start and safe auto-restart after a fault condition. May 2014 DocID025243 Rev 2 1/4 For further information contact your local STMicroelectronics sales office

Features
■ AC main input voltage: VIN 85 VAC - 265 VAC
■ Main frequency: fL 50 Hz - 60 Hz
■ Output voltage: VOUT 12 V
■ Max output current: IOUT 333 mA
■ Precision of output regulation: ΔVOUT_LF ±5 %
■ High frequency output voltage ripple: ΔVOUT_HF 50 mV
■ Min active mode efficiency: ηAV 71 %
■ Max ambient operating temperature: TAMB 60 ºC