新电流模式 PWM 控制器支持升压、反向、SEPIC 和 LED 驱动器应用Texas Instruments Incorporated Power Management New current-mode PWM controllers support boost, flyback, SEPIC and LED-driver applications By Jürgen Schneider, Systems Engineer Power Solutions Introduction Features With their wide input voltage range, the TPS40210 and Input voltage: 4.5 to 52 V TPS40211 PWM controllers are targeted for isolated and Current-mode architecture non-isolated power converters used in industrial, automo- Switching frequency: 35-kHz to 1-MHz tive, and battery-powered applications. ……