The UTC3843 with Switching Controllers DIP-8 RoHS manufactured by Youwang Electronics is a monolithic integrated circuit featuring an advanced constant frequency, current mode PWM controller. It offers various functions as synchronized rectification/dual mode operation/oscillator synchronization/frequency hopping/voltage limit light loading compensation/ACC interactive/electronic circuit breaker/current modulation/and thermal warning output. This part is capable of operating in different modes such as current limitation, short protection and thermal shutdown and features PWM/PFM modulation and built-in dead-time control. It also includes a precision reference, upper/lower comparator and a 5V regulator. The UTC3843 is ideal for high efficiency and standby power-saving applications. It has an 8-pin DIP package and is RoHS compliant.