HV9922 ics equivalent, (hv9921 - hv9923) 3-pin switch-mode led lamp driver ics.
Constant Output Current: o HV9921
– 20mA o HV9922
– 50mA o HV9923
– 30mA Universal 85-264VAC Operation Fixed OFF-Time Buck.
Decorative Lighting Low Power Lighting Fixtures
Typical Application Circuit
HV9921/22/23
NR092005
1
HV9921/HV9922/H.
The HV9921/22/23 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. The HV9921/22/23 include an internal high voltage switching MOSFET control.
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