BUY NCP1397AG https://www.utsource.net/itm/p/11527651.html

Description: NCP1397AG is a high-performance, low-cost, low-power, fixed-frequency current-mode PWM controller. Features: Low Start-up Current: 0.4mA (Typ.) Low Operating Current: 0.2mA (Typ.) Internal Soft Start Internal Slope Compensation Internal Oscillator with Frequency Selection Over Voltage Protection Over Current Protection Under Voltage Lockout Thermal Shutdown Output Short Circuit Protection Over Temperature Protection Programmable Oscillator Frequency Programmable Maximum Duty Cycle Programmable Output Voltage Programmable Over Voltage Protection Programmable Over Current Protection Programmable Under Voltage Lockout Programmable Thermal Shutdown Programmable Output Short Circuit Protection Programmable Over Temperature Protection Programmable Soft Start Programmable Slope Compensation Programmable Maximum Duty Cycle Programmable Output Voltage Applications: Switching Power Supplies DC/DC Converters Uninterruptible Power Supplies (UPS) Battery Chargers Motor Control LED Lighting (For reference only)