The IC is a popular choice for a wide range of lighting products, including:
The voltage across the primary-side sense resistor is cross-examined on every single pulse. If Vcscap V sub c s end-sub
: The device exhibits a typical startup current consumption of only 5 lzc8650c ic datasheet pdf
The LZC8650C represents a class of driver ICs that balance cost-effectiveness with high-end performance. Its ability to deliver precise constant current without complex feedback loops makes it an ideal candidate for the mass production of LED tubes, bulbs, and panel lights.
If you are currently designing a power supply with this component, let me know: The IC is a popular choice for a
AC Input (85 - 300 Vac) ---> EMI Filter / Surge Protection (MOV 10D621 x3) | Bridge Rectifier | CBB Bulk Capacitor (334/630V) | +------------+------------+ | | Flyback Transformer (EE22/13) LZC8650C Controller | (SOP-8 Package) | | MOSFET Switch (8N70 TO-220F) <------+ (DRV Pin 5 Driving Output) | Current Sense Shunt -------------> (CS Pin 3 Sense Feedback)
What is your target (e.g., universal 90–265VAC or regional)? If you are currently designing a power supply
A driver IC is the brain of the lighting system; if it fails, the light fails. The LZC8650C datasheet outlines a robust suite of protection features designed to handle real-world grid instability.
Loop compensation pin. An external RC network is connected here to stabilize the control loop. MULT
The LZC8650C operates seamlessly under variable AC line voltages (typically from 85Vac to 300Vac), making it ideal for worldwide electrical grid variations.
The LZC8650C is typically housed in a standard, compact 8-pin package (such as SOP-8). Below is the standard pin assignment and functional description for the IC: Pin Number Description