PR9853 controller equivalent, low cost green-power pwm controller.
l Low Cost, PWM&PFM&hiccup mode l Low Start-up Current (about 3μA) l Low Operating Current (about 1.2mA) l Current Mode Operation l VDD Under Voltage Lockout (UVLO) l Bui.
l Switching AC/DC Adapter l Battery Charger l Open Frame Switching Power Supply l Standby Power Supplies
l Set-Top Box .
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