应用功能:小功率高整合度高功能PWM控制芯片 This highly-integrated PWM controller provides several special enhancements designed to meet the low standby-power needs of low-power SMPS. To minimize standby power consumption, the proprietary green-mode function provides off-time modulation to linearly ecrease the switching frequency under light-load onditions. This green-mode function enables the power upply to easily meet even the strictest power conservation requirements.