The PWM type DC/DC converter (BM2PXX4F) for AC/DC provide an optimum system for all products that include an electrical outlet. BM2PXX4F supports both isolated and non-isolated devices, enabling simpler design of various types of low-power electrical converters. BM2PXX4F built in a HV starter circuit that tolerates 650V, it contributes to low-power consumption. With current detection resistors as external devices, a higher degree of design freedom is achieved.
PWM frequency : 65kHz PWM current mode method Burst operation when load is light Frequency reduction function Built-in 650V start circuit Built-in 650V switching MOSFET VCC pin under voltage protection VCC pin overvoltage protection SOURCE pin Open protection SOURCE pin Short protection SOURCE pin Leading-Edge-Blanking function Per-cycle over current protection circuit Soft start Secondary Over current protection circuit