UCC28700为恒定电压、恒定电流控制器 ，工作温度为-20-125°，有没有类似功能，工作温度范围为-40-85°或者-40-125°的芯片？谢谢。
You can reference to UCC28610 for temp range from -40 to 125, as links below, it is also a flayback design, and could be applied to CC/CV flyback converter.
http://www.ti.com/lit/ds/symlink/ucc28610.pdf
