HV9922 ics equivalent, 3-pin switch-mode led lamp driver ics.
* Constant output current: - HV9921
– 20mA - HV9922
– 50mA - HV9923
– 30mA
* Universal 85 - 264VAC operation
*.
* Decorative lighting
* Low power lighting fixtures
Description
HV9921/HV9922/HV9923 are pulse-width modulated .
HV9921/HV9922/HV9923 are pulse-width modulated (PWM), high-efficiency, LED driver control ICs. They allow efficient operation of LED strings from voltage sources ranging up to 400VDC. HV9921/22/23 include an internal high voltage switching MOSFET con.
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