GR8874 controller equivalent, green mode pwm controller.
High-voltage (500V) startup circuit Standby 100mW solution Current mode PWM Very low startup current (<20uA) Under-voltage lockout (UVLO) Non-audible-noise green-mode con.
Open-frame SMPS
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Switching AC/DC adapter
Description
The GR8874 is a highly-integrated, low startup current, cur.
The GR8874 is a highly-integrated, low startup current, current mode PWM controller with
green-mode function and high-voltage start up circuit. A high-voltage current source supplies the start up current and the traditional start-up resistor can be .
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