JW1221 circuit equivalent, controller for adaptive 100/120hz current ripple removing circuit.
Controller for adaptive 100/120Hz current ripple remover Built-in zener diode for input voltage clamping VG output voltage high to 10V Programmable amplitude of LED curre.
LED lighting
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JW1221 Rev1.1
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JW®1221 is a controller for driving external NMOSFET to remove the 100/120Hz LED current ripple on AC/DC power by a capacitor between VC and GND. The adaptive technology of JW1221 ensures minimum power dissipation on NMOSFET while removing LED curren.
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