Non-Isolated Constant Current Driver IC

● Non-Isolated Constant Current Driver IC
Model	Power Transistor	Maximum Power (220Vac)	Typical Efficiency	Over-Temperature Protection	LED Open Circuit Protection	Constant Current Accuracy	Dimming	Package Type	Applications
HT9126DA	1A/500V	18W	90%	Internal	Y	±5%	N/A	DIP8	Bulb Lights, Ceiling Lights
HT9831S	0.8A/500V	14W	90%	Internal	Y	±3%	N/A	SOP8L	Spotlights, Bulb Lights

● Constant Current Backlight Driver
Model	Package Type	Standby Current	Output Mode	Average Sampling Voltage	Maximum Output Current	Conversion Efficiency	Maximum Switching Frequency	Dimming Mode	Applications
HT4123	SO23-6	10uA	Constant Current	100mV	2A	94%	600KHZ	PWM Dimming+Analog Dimming	Table Lamps, Monitor Backlights, High-End Lighting

● Dual Winding Isolated Constant Current Driver IC
Model	Power Transistor	Maximum Power	Typical Efficiency	Over-Temperature Protection	LED Open Circuit Protection	Constant Current Accuracy	Dimming	Package Type	Applications
HT9822K	0.5A/650V	4W	80%	Internal	Y	±5%	N/A	TO-92	Spotlights, Bulb Lights, Recessed Lights