BUY UC3842BD1R2 https://www.utsource.net/itm/p/11190208.html
IC REG CTRLR BST FLYBK ISO 8SOIC
The UC3842BD1R2 is an integrated circuit (IC) from ON Semiconductor. It is a current-mode PWM controller designed for use in off-line and DC-to-DC converter applications. The UC3842BD1R2 is a high performance fixed frequency current mode controller. It is specifically designed for Off-Line and DC-to-DC converter applications with minimal external components. The device offers a high level of integration and is available in an 8-pin SOIC package. Features: * Wide operating voltage range: 8 V to 40 V * Internal leading edge blanking * Internal oscillator with programmable frequency * Precision reference with 0.5% accuracy * Under-voltage lockout * Programmable soft-start * Programmable deadtime * Programmable current limit * Programmable oscillator synchronization Applications: * Off-line and DC-to-DC converters * Switching power supplies * Uninterruptible power supplies * Battery chargers * Motor control (For reference only)