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AN1200

Hybrid operation mode pulse width modulation (CCM/QR)Operating CCM under heavy load and low input voltage...

AN8104

AN8104 is a new generation of synchronous rectifier (SR) controller ICs for switching mode power supplies. It can replace the secondary diode for maximum efficiency at any load. The AN8104 is a dedicated controller IC for synchronous rectification on the secondary side of flyback converters. It incorporates the SR MOSFET, which is rectifying the output of the secondary transformer winding....

AN9759

AN9759 is a control IC specific for resonant half-bridge topology. It provides 50% complementary duty cycle signals of the high-sideswitch (HVG) and the low-side switch (LVG). And a fixed dead-time inserted between HVG and LVG transient guarantees soft switching and enabled high-frequency operation. The IC built-in a 600V high-voltage floating structure that drive the high-side switch with the bootstrap approach, an external fast-recovery bootstrap diode between VCC and VBOOT must be added....

AN8108

AN8108 is a high-performance secondary synchronous rectifier controller with fast shutdown function, supporting intermittent working mode (DCM), quasi resonant working mode (QR), and continuous working mode (CCM)....

AN3109

AN3109 is a high performance current modePWM controller for offline flyback converter applications. The IC has built-in General Primary Side CC control, which simplifies isolated power supply design that requires CC regulation of the output. In AN3109, PWM switching frequency withshuffling is fixed to 65KHz and is trimmed to tight range. The IC has built-in green and burst mode control for light and zero loadings, which can achieve less than 75mW standby power...

AN8105

AN8105 is a new generation of synchronous rectifier (SR) controller ICs for switching mode power supplies. It can replace the secondary diode for maximum efficiency at any load.The AN8105 is a dedicated controller IC for synchronous rectification on the secondary side of flyback converters. It incorporates the SR MOSFET, which is rectifying the output of the secondary transformer winding. The AN8105 can generate its own supply voltage for battery charging applications with low output voltage or for applications with high-side rectification....

AN3101

AN3101 is a high-performance PWM controller designed for offline flyback power supply. The chip integrates universal primary constant current control technology, which can support intermittent and continuous mode operation, suitable for isolated power supply applications with constant current output.AN3101 has a high-precision 65kHz switching frequency oscillator inside, and has a frequency jitter function to optimize EMI performance. The chip operates in green energy-saving mode and burp mode, which can achieve standby power consumption of less than 75mW. AN3101 integrates complete protection functions, including VDD undervoltage protection (UVLO), VDD overvoltage protection (OVP), cycle by cycle current limit, short circuit protection (SCP), overload protection (OLP), overheating protection, soft start, VDD clamping, and CS pin open circuit protection....

AN2320

AN2320 is a high-performance QR primary controller, particularly suitable for charger applications. Under full load output conditions, AN2320 operates in quasi resonant mode throughout the entire input voltage range, achieving excellent efficiency and temperature rise performance.The use of AN2320 can work without any abnormal sound, while ensuring excellent dynamic performance. By utilizing the integrated line loss compensation function and the constant current compensation function of line voltage, high-performance constant voltage and constant current output performance can be achieved....