USL3638 - HIGH PRECISION PSR CONSTANT CURRENT LED DRIVER
DIP-8 The UTC USL3638 is a high performance, high precision primary-side feedback and regulation and constant current controller for LED lighting, The UTC USL3638 operates in discontinuous conduction mode for inductor current.
It is suitable for flyback convertor under the 90V~264V universal i
USL3638 Features
* Built-in 650V Power MOSFET
* No Auxiliary winding for sensing and supplying
* Constant current control without secondary sense and feedback circuit.
* Ultra low operating current to improve efficiency
* Universal input voltage
* ±5% LED current accuracy
* Choice for ma
