Powerint LNK605DG 4.2W LED驱动方案
Energy-Efficient, Accurate CV/CC Switcher 4.2W LED驱动器指标: 85–265 VAC Input; 12 V, 350 mA Output This engineering report describes the design for a universal input, 12 V, 350 mA CV/CC power supply for LED driver applications. This power supply utilizes the LNK605DG device from the Power Integrations LinkSwitch-II family.
This document contains the power supply and transformer specifications, schematics, bill of materials, and typical performance characteristics pertaining to this power supply.
4.2W LED驱动器特性:
Summary and Features
Accurate primary-side constant voltage/constant current (CV/CC) controller eliminates secondary side control and optocoupler
±5% output voltage and ±10% output current accuracy including line, load,temperature and component tolerance
No current-sense resistors for maximized efficiency
Low part-count solution for lower cost
..
