brief introduction: Introduction:FindIC has new and popular PWM controllers from Texas Instruments, STMicroelectronics, Microchip Technology, Vishay, Semtech, ON Semiconductors, Linear Technology, Diodes Incorporated, Analog Devices, Exar, and many more. Shop thousands of current mode PWM controllers, plus a wide selection of secondary side, soft switching and voltage mode PWM controllers for all applications. Pulse Width Modulation (PWM) controllers are used in applications that require encoding a message into pul