hy2576 电源ic

产品说明：

3v,5v,12v and adjustable output versions
output adjustable from 1.23v to 43v
fixed 52khz frequency internal oscillator
guaranteed 3a output load current ?input voltage range up to 45v
low power standby mode, iq typically 80 霢
ttl shutdown capability
excellent line and load regulation
requires only 4 external components
high efficiency
thermal shutdown and current limit protection
available in to-220b/to220 and to-263 packages