HV9123 controller equivalent, high-voltage current-mode pwm controller.
* 10 to 450V input voltage range
* <1.3 mA supply current
* >1 MHz clock
* 49% maximum duty version
Applications
* Off-line high frequency power suppl.
* Off-line high frequency power supplies
* Universal input power supplies
* High density power supplies
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HV9120 and HV9123 are Switch-Mode Power Supply (SMPS) controllers suitable for the control of a variety of converter topologies, including flyback and forward converter.
Using an internal, high-voltage regulator, HV9120 and HV9123 can derive a bias s.
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