SG5701
FEATURES
Green-Mode PWM Supports the “Blue Angel” Standard Low Start-up Current (10u A) Low Operating Current (2m A) Leading-Edge Blanking Constant Output Power Limit Universal Input Built-in Synchronized Slope pensation Current Mode Operation Cycle-by-cycle Current Limiting Under Voltage Lockout (UVLO) Programmable PWM Frequency Gate Output Voltage Clamped at 17V Low Cost Few External ponents Required Small SOT-26 Package
DESCRIPTION
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 decrease the switching frequency under light-load conditions. This green-mode function enables the power supply to easily meet even the strictest power conservation requirements. The Bi CMOS fabrication process enables reducing the start-up current to 10u A, and the operating current to 2m A. To further...
