STEVAL-ISA110V1 STMicroelectronics

STEVAL-ISA110V1 12 V/12 W wide-range non-isolated flyback based on the VIPER26LN Data brief Features Universal input mains range: input voltage 90 - 264 V AC frequency 45 - 65 Hz Single output voltage: 12 V 1 A continuous operation Standby mains consumption: < 30 mW 265 V AC Average efficiency: > 85% Fully protected against faults (overload, feedback disconnection and overheating) EMI: according to EN55022-Class-B STEVAL-ISA110V1 Description The STEVAL-ISA110V1 demonstration board is a 12 V-1 A power supply set in non-isolated flyback topology using the VIPER26LN, a new offline high-voltage converter by STMicroelectronics. The features of the device include an 800 V avalanche-rugged power section, PWM operation at 60 kHz with frequency jittering for lower EMI, current limiting with adjustable set point, onboard soft-start, a safe auto-restart after a fault condition, and low standby power. Protection features include thermal shutdown with hysteresis, delayed overload protection, and open loop failure protection. February 2013 Doc ID 024123 Rev 1 1/10 For further information contact your local STMicroelectronics sales office. www.st.com 10Adapter features STEVAL-ISA110V1 1 Adapter features The electrical specifications of the demonstration board are listed in Table 1. Table 1. Electrical specifications Symbol Parameter Value V Input voltage range 90 V 265 V IN AC AC V Output voltage 12 V OUT I Max. output current 1 A OUT Precision of output regulation 5% VOUT LF High frequency output voltage ripple 50 mV VOUT HF T Max. ambient operating temperature 60 C AMB 2/10 Doc ID 024123 Rev 1