ON SEMICONDUCTOR
芯片, PWM控制器, 110KHZ, 28V, TSOP-6
芯片, PWM控制器, 65KHZ, 28V, TSOP-28
INTERSIL
芯片, 控制器, PWM, 5.5V, 28-QSOP
RICHTEK
控制器, PWM 降压, 28V-10V电源, 400 kHz, TSOT-23-8