Product Detail
HFC0400 is a fixed-frequency current-mode controller with built-in slope compensation. It targets medium-power, off-line, flyback, switch-mode power supplies. At light loads, the controller freezes the peak current and reduces its switching frequency down to 25kHz to offer excellent light-load efficiency. At very light loads, the controller enters burst mode to achieve very low standby power consumption. HFC0400 offers frequency jittering to help dissipate energy generated by conducted noise. HFC0400 also has an X-cap discharge function to discharge the X-cap when the input is unplugged. HFC0400 features multiple protections that include thermal shutdown (TSD), VCC under-voltage lockout (UVLO), overload protection (OLP), over-voltage protection (OVP), and brown-out protection. HFC0400 is available in an SOIC8-7A package.
HFC0400 Fixed Frequency Flyback Controller with Ultra Low No Load Power Consumption
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HFC0400 is a fixed-frequency current-mode controller with built-in slope compensation.
HFC0400
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HFC0400
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Monolithic Power Systems (MPS)
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